Toshiba QOSMIO G50 Maintenance Manual
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Toshiba QOSMIO G50 Maintenance Manual

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Table of Contents

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Download this manual See also: User Manual
1
Toshiba Personal Computer
QOSMIO G50
Maintenance Manual
TOSHIBA CORPORATION
File Number 960-683
[CONFIDENTIAL]

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Summary of Contents for Toshiba QOSMIO G50

  • Page 1 Toshiba Personal Computer QOSMIO G50 Maintenance Manual TOSHIBA CORPORATION File Number 960-683 [CONFIDENTIAL]...
  • Page 2 The information presented in this manual has been reviewed and validated for accuracy. The included set of instructions and descriptions are accurate for the QOSMIO G50 at the time of this manual's production. However, succeeding computers and manuals are subject to change without notice.
  • Page 3 NOTE: “Note” contains general information that relates to your safe maintenance service. Improper repair of the computer may result in safety hazards. Toshiba requires service technicians and authorized dealers or service providers to ensure the following safety precautions are adhered to strictly.

  • Page 4: Troubleshooting

    The manual is divided into the following parts: Chapter 1 Hardware Overview describes the QOSMIO G50 system unit and each FRU. Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU problems. Chapter 3 Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service.
  • Page 5 Text that you are instructed to type in is shown in the boldface type below: DISKCOPY A: B: The display Text generated by the QOSMIO G40 that appears on its display is presented in the type face below: Format complete System transferred QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 6: Table Of Contents

    Touch pad Troubleshooting ..................2-50 Display Troubleshooting..................2-52 2.10 Optical Disk Drive Troubleshooting................ 2-55 2.11 Modem Troubleshooting..................2-56 2.12 LAN Troubleshooting....................2-58 2.13 Wireless LAN Troubleshooting................2-59 2.14 Bluetooth Troubleshooting ..................2-62 2.15 Sound Troubleshooting.................... 2-65 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 7 Hard Disk Test Detail Status..................3-37 3.20 ONLY ONE TEST....................3-39 3.21 Head Cleaning......................3-46 3.22 Log Utilities ......................3-47 3.23 Running Test......................3-49 3.24 Floppy Disk Drive Utilities..................3-50 3.25 System Configuration ....................3-55 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 8 Splitter/TV antenna holder..................4-51 4.19 tuner........................4-55 4.20 tuner........................4-56 4.21 RTC battery......................4-57 4.22 1bit amp ........................4-59 4.23 LED board........................ 4-60 4.24 Touch pad/Fingerprint sensor board ................ 4-61 4.25 Cover latch ....................... 4-64 viii [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 9 Keyboard Scan/Character Codes ............... D-1 Appendix E Key Layout....................E-1 Appendix F Wiring Diagrams..................F-1 Appendix G BIOS Rewrite procedures ................G-1 Appendix H EC/KBC Rewrite procedures..............H-1 Appendix I Reliability.....................I-1 Appendix J Maintenance of TOSHIBA RAID ...............J-1 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 10 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 11: Chapter 1 Hardware Overview

    Chapter 1 Hardware Overview [CONFIDENTIAL]...
  • Page 12 1 Hardware Overview Hardware Overview 1-ii [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 13 LCD Module ..................1-21 1.6.2 FL Inverter Board................1-23 Power Supply ......................1-24 Batteries ........................1-26 1.8.1 Main Battery..................1-26 1.8.2 Battery Charging Control ..............1-27 1.8.3 RTC battery ..................1-28 AC Adapter ......................1-29 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-iii...
  • Page 14 Time required for charges of main battery ..........1-27 Table 1-9 Data preservation time ................. 1-27 Table 1-10 Time required for charges of RTC battery........... 1-28 Table 1-11 AC adapter specifications ................1-29 1-iv [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 15: Features

    1 Hardware Overview Features Features ® The QOSMIO G50 series are high performance all-in-one PCs running an Intel Core Duo processor (Penryn). There some models and options. Refer to the Parts List for the configuration of each model and options.

  • Page 16: Battery Pack

    TV can be used to operate some of the computer functions. Battery The computer has two batteries: a rechargeable Lithium-Ion main battery pack and RTC battery (that backs up the Real Time Clock and CMOS memory). [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 17 The internal ExpressCard slot is a Universal slot. This slot supports ExpressCard/54 and ExpressCard/34 modules. Bridge Media slot This slot lets you insert an SD™/SDHC™. memory card, mini SD™ / micro SD™ Card, Memory Stick® (Duo™/PRO™/PRO Duo™), xD- Picture Card™ and MultiMediaCard™ QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 18: Features

    Web Camera Web Camera is a device that allows you to record video or take photographs with your computer. Enables the transmission of video and use of video chat via the internet using specialized applications. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 19 SpursEngine: PCI Express Mini Card slot 4. This computer (Some models) is Equipped with Media streaming processor SpursEngine loading. It is used by TOSHIBA Face Recognition etc. FM-tuner This computer (Some models) is FM-tuner loading. Front operation panel (nine panels) /Touch Sensor Nine panels are available for use: CD/DVD, Play/Pause, Stop, Previous, Next, Mute, Illumination On/Off, Camera, and DOLBY.
  • Page 20 TV-tuner (Mini PCI Card): Japanese model only This manual does not explain.. Felica: Japanese model only This manual does not explain. B-cas: Japanese model only This manual does not explain. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 21 1.1 Features 1 Hardware Overview Figure 1-1 shows the front of the computer and the system units configuration QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 22: Figure 1-1 Front Of The Computer And The System Units Configuration

    1 Hardware Overview 1.1 Features Figure 1-1 Front of the computer and the system units configuration [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 23: System Block Diagram

    1.2 System Block Diagram 1 Hardware Overview System Block Diagram Figure 1-2 shows the system block diagram. Figure 1-2 System block diagram QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 24: System Block Diagram

    1.2 System Block Diagram The PC contains the following components. Microprocessor ® The QOSMIO G50 computer is equipped with an Intel Core 2 Duo Processor. These processors incorporate a math co-processor, a 3MB or 6MB L2 cache memory. The PC comes in with one of the following speeds: ®...
  • Page 25 -Support for Intel® AMT 4.0 -Support for Integrated Trusted Port modulee 1.2 -Package 676 pin BGA (31 x 31mm) Card controller (R5C833) - PCI Interface - IEEE1394 Controller - SD/MMC, MemoryStick, xD card Controller QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-11...
  • Page 26 - One PCI-Ex MiniCard 802.11b/g: Askey/Atheros 11b/g (RoW) XB63L 802.11b/g/n: Askey/Atheros 11b/g/n (MoW) XB91L 802.11a/b/g/n: Askey/Atheros 11a/b/g/n, 2x2 (MoW) XB92L Intel 11a/b/g/n Shirley Peak (MOW) 1x2 - Supports Wireless Communication SW Bluetooth -V2.0 module -Antenna built-in 1-12 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 27 - V.92 (V.90) 56K Modem/FAX - Ring wake up support - Analog authoring is supported. Other main system chips • PSC (Toshiba-made TMP86FS49AUG x 1) • Clock Generator (IDT 9LPR501SGLFT) • EC/KBC (Renesas-made M306KAFCLRP U0 x 1) • Audio AMP (Matsushita-made AN12941A x1) Sensor •...

  • Page 28: Inch Hard Disk Drive

    Depth (mm) 96 (max) 101 (max) 135 (max) Weight (g) Standard value Parameter SEAGATE SEAGATE SEAGATE G8BC0004Z160 G8BC0004Z200 G8BC0004Z250 Width (mm) 69.85 Outline Height (mm) dimensions Depth (mm) 100.20 102 (max) Weight (g) 1-14 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 29 Internal transfer rate(MB/s) Sustained transfer rate (MB/s) 58 max. I/O data transfer rate (MB/s) 300 max. Data buffer size (MB) Average seek time Read (ms) 12 (typical) Power-on to Ready (s) 3.0 (typical) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-15...
  • Page 30 500GB Speed (RPM) 5,400 Data transfer rate Disk-buffer to/from media(Mbps) 815 max Buffer-host data transfer (Ggit/sec) 3.0/1.5 max. Data buffer size (MB) Average seek time Read (ms) Power-on to Ready (s) 4 (typical) 1-16 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 31: Figure 1-4 Dvd Super Multi Drive

    The DVD Super Multi drive accommodates either 12 cm (4.72-inch) or 8 cm (3.15-inch) CD- ROM, DVD-ROM, CD-R, CD-RW, DVD-R, DVD+R, DVD-RW, DVD+RW, DVD-RAM, DVD-R DL and DVD+R DL. The specifications are listed in Table 1-5. Figure 1-4 DVD Super Multi drive QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-17...

  • Page 32: Dvd Super Multi Drive Specification

    DVD: DVD-ROM, DVD-R, DVD-R DL,DVD-RW, DVD-RAM, DVD+R, DVD+R DL, DVD+RW Supported Formats CD: CD-DA, CD-ROM, CD-ROM XA, PHOTO CD, CD-i, Video-CD, CD-Extra(CD+), CD-text DVD: DVD-R, DVD-R DL, DVD-RW , DVD-Video, DVD+R, DVD+R DL, DVD+RW, DVD-RAM (4.7GB) 1-18 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 33 CD-R CD-RW DVD-R DVD-RW DVD-R DL DVD+R DVD+R DL DVD+RW DVD-RAM ATAPI Burst (MB/s) PIO Mode DMA Mode Ultra DMA Mode Data Buffer Capacity Access time (ms) CD-ROM DVD-ROM Supported Disks Supported Formats QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-19...

  • Page 34: Keyboard

    Figure 1-6 is a view of the keyboard. Figure 1-5 Keyboard See Appendix E for details of the keyboard layout. 1-20 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 35: Tft Color Display

    Figure 1-7 shows a view of the LCD module and Table 1-7 lists the specifications. Figure 1-6 LCD module Table 1-4 LCD module specifications Specifications Item Samsung (G33C0004V110) Number of Dots 1,680(W) x 945(H) Dot spacing (mm) 0.25875(H)x0.25875(V) Display range (mm) 408.24(H)x229.645(V) (18.4”diagonal) Outline dimensions 422.5(H)x246.0(V)x6.5(D: Max) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-21...
  • Page 36 1 Hardware Overview 1.6 TFT Color Display Specifications Item Samsung (G33C0004W110 ) Number of Dots 1,920(W) × 1,080(H) Dot spacing (mm) 0.213(H)x0.213(V) Display range (mm) 408.96(H)x230.04(V) (18.4”diagonal) Outline dimensions 422.5(H)x246.0(V)x6.5(D: Max) 1-22 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 37: Fl Inverter Board Specifications

    Voltage (V) 5 (DC) Power (W) Voltage (V) 900 (rms) Power (W/VA) 7 / 10 (Dual：x 2 output) Current Output 7 (rms) (Single/Dual) (f=70KHz)(mA) Open 1550 (rms) (x 2 1660 (rms) voltage(V) output) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-23...

  • Page 38: Power Supply

    6. Provides more accurate detection of a low battery. 7. Calculates the remaining battery capacity. 8. Controls the transmission of the status signal of the main battery. Table 1-9 lists the power supply output specifications. 1-24 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 39 CPU,(G)MC H,ICH 1R5-P1V 1.50 CPU,(G)MC H,ICH 1R8-P1V 1.80 (G)MCH 1R5-B1V (G)MCH, Me mory 0R75-B0V 0.75 Memory LN1R0-E1 1.05 LAN PHY LN1R8-E1 LAN PHY LAN-E3V ICH, LAN P HY,SPI ICH,USB EC/KBC M5V, MCV LED,PSC QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-25...

  • Page 40: Batteries

    1.8.1 Main Battery The main battery is the primary power supply for the computer when the AC adapter is not connected. In Standby, the main battery maintains the current status of the computer. 1-26 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 41: Time Required For Charges Of Main Battery

    Table 1-9 Data preservation time Condition preservation time Standby About 3 days (Battery 6cell (4,700mAh) Shutdown About 25 days (Battery 6cell (4,700mAh) Standby About 5 days (Battery 9cell (7,050mAh) Shutdown About 35 days (Battery 9cell (7,050mA)) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-27...

  • Page 42: Time Required For Charges Of Rtc Battery

    Table 1-13 lists the Time required for charges of RTC battery and data preservation time. Table 1-10 Time required for charges of RTC battery Condition Time Power ON (Lights Power LED) About 24 hours Data preservation tome (Full-charged) About 30 days 1-28 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 43: Ac Adapter

    Output current 0A to 4.74A Parameter Specification G71C00093210 G71C00094210 (2-pin) (3-pin) Power 120W Input voltage AC 100V/240V Input frequency 50Hz/60Hz Input current 2A（Max） Output voltage 19.0V Output current 0A to full load & 7.9A QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 1-29...
  • Page 44 1 Hardware Overview 1.9 AC Adapter 1-30 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 45: Chapter 2 Troubleshooting Procedures

    Chapter 2 Troubleshooting Procedures [CONFIDENTIAL]...
  • Page 46 2 Troubleshooting Procedures 2-ii [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 47: Troubleshooting Flowchart

    Diagnostic Test Program Execution Check ......2-40 Procedure 2 Connector Check and Replacement Check......2-41 Touch pad Troubleshooting ..................2-42 Procedure 1 Diagnostic Test Program Execution Check ......2-42 Procedure 2 Connector Check and Replacement Check......2-43 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-iii...
  • Page 48 Replacement Check ............. 2-57 2.16 PCI-E-Mini card slot3 Troubleshooting ..............2-58 Procedure 1 Connector Check and Replacement Check......2-58 2.17 FM tuner Troubleshooting ..................2-60 Procedure 1 Connector Check and Replacement Check......2-60 2-iv [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 49: Figures

    Table 2-3 Error code ....................2-11 Table 2-4 Debug port error status ................2-22 Table 2-7 FDD error code and status ................2-32 Table 2-8 2.5” Hard disk drive error code and status........... 2-38 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 50 2 Troubleshooting Procedures 2-vi [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 51: Troubleshooting

    1. Phillips screwdrivers (For replacement procedures) 2. Implements for debugging port check • Toshiba MS-DOS system FD • RS-232C cross cable • Test board with debug port test cable • PC for displaying debug port test result QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 52 There are following two types of connections in the figure of board and module connection in and after 2.3 Power Supply Troubleshooting. (1) Cable connection is described in the figure as line. (2) Pin connection is described in the figure as arrow. <e.g> Connection of modem [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 53: Troubleshooting Flowchart

    Before going through the flowchart steps, verify the following: Ask him or her to enter the password if a password is registered. Verify with the customer that Toshiba Windows is installed on the hard disk. Non- Windows operating systems can cause the computer to malfunction.
  • Page 54 2 Troubleshooting Procedures 2.2 Troubleshooting Flowchart Figure 2-1 Troubleshooting flowchart (1/2) [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 55 2.2 Troubleshooting Flowchart 2 Troubleshooting Procedures Figure 2-1 Troubleshooting flowchart (2/2) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 56: System Board Troubleshooting

    13. If a malfunction is detected on the PCI-E-Mini card slot3, perform the PCI-E-Mini card slot3 Troubleshooting Procedures in Section 2.16. 14. If a malfunction is detected on the FM turner, perform the PCI-E-Mini card slot3 Troubleshooting Procedures in Section 2.17. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 57 17. If a malfunction is detected on the Web camerta, perform the Web camerta Troubleshooting Procedures in Section 2.20. 18. If a malfunction is detected on the Intel Turbo Memory, perform the Intel Turbo Memory Troubleshooting Procedures in Section 2.21. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 58: Power Supply Troubleshooting

    The battery level is low while the system power is ON. (even intervals) Blinks orange once The system is driven by only a battery and the battery level (at being switched on) is low. Doesn’t light Any condition other than those above. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 59 Check 2 If the DC IN icon does not light, go to Procedure 3. Check 3 If the battery icon does not light orange or blue, go to Procedure 4. NOTE: Use a supplied AC adapter G71C0002R710, G71C0002R810 (2-pin)/ G71C00067210, G71C00067110 (3-pin). QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 60 On for half second Interval between data bits Off for half second The error code begins with the least significant digit. Example: Error code 11h (Error codes are given in hexadecimal format.) Start 2-10 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 61 Current from the DC power supply is over 10.0A. Current from the DC power supply is over 0.5A when there is no load. The compensation value of [0A] is not within the limits from design data . QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-11...
  • Page 62 E5V voltage is over 6.00V. E5V voltage is under 4.50V when the computer is powered on. E5V voltage is under 4.50V when the computer is booting up. E5V voltage is under 4.50V when EV power is maintained. 2-12 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 63 1R8-B1V voltage is under 1.53V when BV power is maintained. PPV output Error code Meaning PPV voltage is over 1.56V. PPV voltage is under 0.27V when the computer is powered on. PPV voltage is under 0.27V when the computer is booting up. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-13...
  • Page 64 1R8-PGV / 1R5-P1V voltage is over 2.16V. 1R8-PGV / 1R5-P1V voltage is under 1.27V when the computer is powered on. 1R8-PGV / 1R5-P1V voltage is under 1.27V when the computer is booting up. 2-14 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 65 Connect a new AC adapter and AC power cord. If the problem still occurs, go to Procedure 5. Check 3 In the case of error code 21h: Go to Procedure 3. Check 4 For any other errors, go to Procedure 5. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-15...
  • Page 66 If the battery pack is still not charged, go to Check 5. Check 5 Replace the battery pack with a new one. If the battery pack is still not charged, go to Procedure 5. 2-16 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 67 Check 1 Battery pack may be faulty. Replace it with a new one. If the problem still occurs, perform Check 2. Check 2 System board may be faulty. Replace it with a new one. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-17...

  • Page 68: System Board Troubleshooting

    Procedure 1 and continue with the other procedures as instructed. The procedures described in this section are: Procedure 1: Message Check Procedure 2: Debugging Port Check Procedure 3: Diagnostic Test Program Execution Check Procedure 4: Replacement Check 2-18 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 69 Go to Procedure 3. WARNING: RESUME FAILURE. PRESS ANY KEY TO CONTINUE. If any other error message displays, perform Check 3. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-19...
  • Page 70 (16) PIC #1 ERROR (17) PIC #2 ERROR (18) KBC ERROR (19) HDC ERROR (20) HDD #0 ERROR (21) HDD #1 ERROR (22) NO FDD ERROR (23) TIMER INTERRUPT ERROR (24) RTC UPDATE ERROR 2-20 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 71 The D port status is displayed in the following form; 6. When the D port status is FFFFh (normal status), go to Procedure 4. 7. When the D port status falls into any status in Table 2-4, execute Check 1. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-21...
  • Page 72 F005 CPU setup BIOSROM IC3001 (BIOS ROM) F006 EC/KBC(EC) IC3200 (EC/KBC) F007 BIOS ROM check BIOS BIOSROM IC3001 (BIOS ROM) F008 BIOS ROM check 2 BIOSROM IC3001 (BIOS ROM) F009 End of Boot Block processing 2-22 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 73 ROM data ICH(PIT controller, IS1050 (CPU Socket) F107 SMI setup MEM I/O, CMOS,I/O) IC1600 (ICH) Part number data distinction Clock generator IC3001 (BIOS ROM) CMOS check Clock generator setup CPU initialization QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-23...
  • Page 74 CN1400 (RAM Conn.) CN1410 (RAM Conn.) IC3200 (EC/KBC) BIOS ROM check IC1200 (MCH, VGA) EC/KBC(EC) IC5000 (VGA) Display setup F112 CN1400 (RAM Conn.) MCH(MEM I/O) Display setup CN1410 (RAM Conn.) IC3200 (EC/KBC) Display setup 2-24 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 75 CPU setup IC3200 (EC/KBC) setup of ICH (MEM IO) F122 Clock generator IC1000 (CLKGEN) IC1200 (VGA) EC/KBC(EC) F123 Initialization of EC IC5000 (VGA) IC3200 (EC/KBC) F166 initialization error of EC EC/KBC(EC) IC3200 (EC/KBC) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-25...
  • Page 76 CN1410 (RAM Conn.) setup of RAM data IS1050 (CPU Socket) MCH(PCI register ) IC1200 (MCH) setup of CPU and MCH FFFF CN1400 (RAM Conn.) CPU setup CN1410 (RAM Conn.) EC/KBC(KBC) KBC setup IC3200 (EC/KBC) 2-26 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 77 CN1900 (HDD Conn.) ICH(IDE controller) CN1920 (HDD Conn.) HDD setup (Boot) IC1600 (ICH, HDD Cont.) F142 F143 F144 setup of a sound EC/KBC(EC) IC3200 (EC/KBC) F145 F146 F147 CPU setup IS1050 (CPU Socket) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-27...
  • Page 78 Battery (E2PROM) IC8972 (PSC) ICH(DMAC) CN8810 (Battery conn.) setup of ICH (DMAC) IC3200 (EC/KBC) EC/KBC(EC) IC5000 (VGA) F130 Display setup IC1200 (MCH, VGA) MCH(MEM I/O) CN1400 (RAM Conn.) CN1410 (RAM Conn.) 2-28 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 79 If any other D port status error code is displayed, perform Procedure 3. D port error code is as follows: Error code Contents F003h or F004h SC initialization error F00Bh BIOS update error F117h Exception check error F121h Clock generator error QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-29...
  • Page 80 If an error is detected during these tests, go to Procedure 4. Procedure 4 Replacement Check System board may be faulty. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and replace system board with a new one. 2-30 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 81: Usb Fdd Troubleshooting

    Procedure 2. Detailed operation is given in Chapter 3, Tests and Diagnostics. If the test program cannot be executed on the computer, go to Procedure 3. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-31...
  • Page 82 “write enable”. If any other message appears, perform Check 2. Write protected Check 2 Make sure the floppy disk is formatted correctly. If it is, go to Procedure 3. 2-32 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 83 1. Cable can not be disconnected from the connector. 2. Cable is connected straight to the connector. 3. Cable is connected all the way seated in the connector. 4. Cable or connector can not be broken. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-33...
  • Page 84 USB FDD may be faulty. Replace it with a new one. If the problem still occurs, perform Check 4 Check 4 System board and USB / Sound Jack board may be faulty. Replace it with a new one following the steps in Chapter 4, Replacement Procedures. 2-34 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 85: Hdd Troubleshooting

    User’s Manual. Procedure 1 Partition Check Insert the Toshiba MS-DOS system disk and start the computer. Perform the following checks: Input C: and press Enter. If you cannot change to drive C, go to Check 2. If you Check 1 can change to drive C, go to Procedure 2.
  • Page 86 2.5” HDD(s) and the connector(s) of system board may be defective (Refer to the steps described in Chapter 4, Replacement Procedures for disassembling.). Insert HDD(s) to the connector(s) firmly. If it is (or they are) firmly connected, go to Procedure 3. 2-36 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 87 Using the Diagnostic Disk, format the 2.5” HDD with a format option (physical format). If HDD is formatted, set the 2.5” HDD partition using DOS FDISK command. If you cannot format the 2.5” HDD using the Tests and Diagnostic program, go to Procedure 4. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-37...
  • Page 88 HDD - ECC RECOVER ENABLE HDD - DRIVE NOT READY HDD - WRITE FAULT HDD - STATUS ERROR HDD - BAD SECTOR HDD - ACCESS TIME ERROR HDD - NO HDD HDD - DMA CRC ERROR 2-38 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 89 Chapter 4, Replacement Procedures and check the operation. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-39...

  • Page 90: Keyboard Troubleshooting

    ONE TEST) in the Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics, for more information on how to perform the test program. If an error occurs, go to Procedure 2. If an error does not occur, keyboard is functioning properly. 2-40 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 91 Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-41...

  • Page 92: Touch Pad Troubleshooting

    3, Tests and Diagnostics, for more information on how to perform the test program. If an error occurs, go to Procedure 2. If an error does not occur, touch pad is functioning properly. 2-42 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 93 Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 4. Check 4 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-43...

  • Page 94: Display Troubleshooting

    Insert the Diagnostics disk in the USB FDD, turn on the computer and run the test. Refer to Chapter 3, Tests and Diagnostics for details. If an error is detected, go to Procedure 3. 2-44 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 95 Disassemble the computer following the steps described in Chapter 4, Replacement Procedures. If the connection is loose, reconnect firmly and restart the computer. If the problem still occurs, go to Procedure 4. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-45...
  • Page 96 Chapter 4, Replacement Procedure and test the display again. If the problem still occurs, perform Check 5. Check 5 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedure. 2-46 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 97: Optical Disk Drive Troubleshooting

    Optical disk drive may be faulty. Replace it with a new one following the steps in Chapter 4, Replacement Procedure. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with new one following the instructions in Chapter 4, Replacement Procedure. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-47...

  • Page 98: Modem Troubleshooting

    Procedure and perform the following checks: Check 1 Make sure the following connections are firmly connected. If any connector is disconnected, connect it firmly and return to Procedure 1. If the problem still occurs, perform Check 2. 2-48 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 99 MDC may be faulty. Replace it with a new one following the steps in Chapter 4, Replacement Procedure. If the problem still occurs, perform Check 4. Check 4 System board may be faulty. Replace it with a new one following the instruction in Chapter 4, Replacement Procedure. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-49...

  • Page 100: Lan Troubleshooting

    LAN cable may be faulty. Replace it with a new one. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instruction in Chapter 4, Replacement Procedure. 2-50 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 101: Wireless Lan Troubleshooting

    LAN. Perform the test following the instructions described in Chapter 3, Tests and Diagnostics. If the computer passes the test, the function is correctly working. If the computer does not pass the test, perform Procedure 2. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-51...
  • Page 102 Wireless LAN card. If wireless LAN antenna cables are not connected properly, connect them firmly and perform Procedure 1. If the problem still occurs, go to the procedure 3. 2-52 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 103 Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3. Check3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-53...

  • Page 104: Bluetooth Troubleshooting

    Make sure the Bluetooth is firmly connected to CN4440 on the system board. If any of the connections are loose, reconnect firmly and repeat Procedure 1. If there is still an error, go to Check 2. 2-54 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 105 Chapter 4, Replacement Procedures. If the problem still exists, perform Check 4. Check 4 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 2-55...

  • Page 106: Sound Troubleshooting

    2 Troubleshooting Procedures 2.15 Sound Troubleshooting 2.15 Sound Troubleshooting To check if the sound function is malfunctioning or not, follow the troubleshooting procedures below as instructed. Procedure 1: Diagnostic Test Program Execution Check Procedure 2: Connector Check Procedure 3: Replacement Check Procedure 1 Diagnostic Test Program Execution Check Execute the Sound test in Sound Test program disk.

  • Page 107: Speaker

    2.15 Sound Troubleshooting 2 Troubleshooting Procedures Procedure 3 Replacement Check If headphone does not work properly, perform check 1. If external microphone does not work properly, perform check 2. If Speaker Right does not work properly, perform check 3. If Speaker Left does not work properly, perform check 4. Check 1 Headphone may be faulty.
  • Page 108 2 Troubleshooting Procedures 2.16 PCI-E-Mini card slot3 Troubleshooting 2.16 PCI-E-Mini card slot3 Troubleshooting To check if PCI-E-Mini card slot3 is malfunctioning or not, follow the troubleshooting procedures below as instructed. The following card is connected to PCI-E-Mini card slot3. TV turner Wireless UWB Procedure 1: Connector Check and Replacement Check...
  • Page 109 2.16 PCI-E-Mini card slot3 Troubleshooting 2 Troubleshooting Procedures Check 2 The PCI-E-Mini card antenna cable may be damaged. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. If the problem still exists, perform Check 3. Check 3 The PCI-E-Mini card slot3 module may be damaged.
  • Page 110 2 Troubleshooting Procedures 2.17 FM tuner Troubleshooting 2.17 FM tuner Troubleshooting To check if FM tuner is malfunctioning or not, follow the troubleshooting procedures below as instructed. Procedure 1: Connector Check and Replacement Check Procedure 1 Connector Check and Replacement Check The connection of cables, boards and module may be defective.

  • Page 111: Bridge Media Slot Troubleshooting

    2.18 Bridge media Slot Troubleshooting 2 Troubleshooting Procedures 2.18 Bridge media Slot Troubleshooting This section describes how to determine if the computer's Bridge media functions are functioning properly. Perform the steps below starting with Procedure 1 and continuing with the other procedures as required. Procedure 1: Check on Windows OS Procedure 2: Connector Check and Replacement Check Procedure 1...

  • Page 112: Pci Expresscard Slot Troubleshooting

    2 Troubleshooting Procedures 2.19 PCI ExpressCard Slot Troubleshooting 2.19 PCI ExpressCard Slot Troubleshooting This section describes how to check PCI ExpressCard slot by inspecting a card with PCI Express interface and a card with USB 2.0 interface. 1. Gigabit Ether ExpressCard 2.

  • Page 113: Fingerprint Sensor

    2.20 Fingerprint sensor Troubleshooting 2 Troubleshooting Procedures 2.20 Fingerprint sensor Troubleshooting CAUTION: To delete the account for confirming the fingerprint operation, it is necessary to log on by the account with the management authority. If the password has been set to log on, ask the Log-ON password to the user. To check if the Fingerprint sensor works correctly or not, follow the troubleshooting procedures below as instructed.
  • Page 114 2 Troubleshooting Procedures 2.20 Fingerprint sensor Troubleshooting Procedure 1 Setting Windows Log-ON password 1. Open [User Account] from [Control Panel]. 2. Click [User Account]. 3. Click the icon of the account (user’s name) that you want to set the password. 4.
  • Page 115 2.20 Fingerprint sensor Troubleshooting 2 Troubleshooting Procedures 7. When the Store to Sensor screen is displayed, check Store fingerprint to Sensor. Click Finish to complete fingerprint registration. Procedure 3 Authentication of fingerprint 1. Turn on the computer to start up Windows. 2.
  • Page 116 2 Troubleshooting Procedures 2.20 Fingerprint sensor Troubleshooting Procedure 4 Connector Check and Replacement Check The connection of the cable and board may be defective. Otherwise, they may be faulty. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures, and perform the following checks: Check 1 Make sure the cables are firmly connected to the FingerSenser board and system...

  • Page 117: Web Camera Troubleshooting

    2.21 Web camera Troubleshooting 2 Troubleshooting Procedures 2.21 Web camera Troubleshooting To check if the computer’s web camera is malfunctioning or not, follow the troubleshooting procedures below as instructed. Procedure 1: Check on Windows OS Procedure 2: Connector Check and Replacement Check Procedure 1 Check on Windows OS Use the software, Camera Assistant Software, which is originally prepared in the computer to...
  • Page 118 2 Troubleshooting Procedures 2.21 Web camera Troubleshooting Check 2 If web camera does not work properly(the image from a web camera cannot be displayed. ), web camera may be faulty. Replace it with a new one following the steps in Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 4 Check 3 If microphone does not work properly (a sound cannot be recognized.

  • Page 119: Intel Turbo Memory Troubleshooting

    2.22 Intel Turbo Memory Troubleshooting 2 Troubleshooting Procedures 2.22 Intel Turbo Memory Troubleshooting To check if Intel Turbo Memory is malfunctioning or not, follow the troubleshooting procedures below as instructed. Procedure 1: Check on Windows OS Procedure 2: Connector Check and Replacement Check Procedure 1 Check on Windows OS Use the software, Intel Turbo Memory Console, which is originally prepared in the computer...
  • Page 120 2 Troubleshooting Procedures 2.22 Intel Turbo Memory Troubleshooting If any problems are found, perform the Procedure 2. Procedure 2 Connector Check and Replacement Check The connection of Intel Turbo Memory card may be faulty or the card may be defective. Disassemble the computer following the steps described in Chapter 4 and perform the following checks.

  • Page 121: Chapter 3 Tests And Diagnostics

    Chapter 3 Tests and Diagnostics [CONFIDENTIAL]...
  • Page 122 3 Tests and Diagnostics 3-ii [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 123 3.14 Real Timer Test......................3-29 3.15 NDP Test........................3-31 3.16 Expansion Test......................3-32 3.17 CD-ROM/DVD-ROM Test ..................3-34 3.18 Error Code and Error Status Names................. 3-35 3.19 Hard Disk Test Detail Status..................3-38 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-iii...
  • Page 124 3.29.2 Modem test ..................3-74 3.29.3 Bluetooth test..................3-75 3.29.4 IEEE1394 test..................3-77 3.30 Sound Test program....................3-78 3.31 SETUP ........................3-79 3.31.1 Function Description ................3-79 3.31.2 Accessing the SETUP Program............3-81 3-iv [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 125 Tables Table 3-1 Subtest names ....................3-12 Table 3-2 Error codes and error status names ..............3-35 Table 3-3 Hard disk controller status register contents............3-38 Table 3-4 HDC Error register contents ................3-39 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 126 3 Tests and Diagnostics 3-vi [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 127: The Diagnostic Test

    The DIAGNOSTIC TEST MENU contains the following functional tests: SYSTEM TEST MEMORY TEST KEYBOARD TEST DISPLAY TEST FLOPPY DISK TEST ［It is not supported ］ PRINTER TEST ［It is not supported ］ ASYNC TEST HARD DISK TEST QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 128: The Diagnostic Test

    A cleaning kit to clean the floppy disk drive heads (Head Cleaning) An external display supporting monitor ID (Expansion test) A CD test media TOSHIBA CD-ROM TEST DISK or ABEX TEST CD-ROM (Sound test) A DVD test media (DVD-ROM TEST DISK TSD-1) (Sound test)
  • Page 129 3 Tests and Diagnostics The Diagnostics Disk (Main T&D) 3.1.3 Heatrun test program The heatrun test starts automatically after the selection. You will need the following equipment to perform this program. The Diagnostics Disk (Main T&D) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 130: Executing The Diagnostic Test

    2. After replacing the system board, execute the subtest04 “DMI information recovery” and subtest08 “System configuration display” in 3.4 Setting of the hardware configuration in order to copy the DMI information and system information from the floppy disk. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 131: Executing The Diagnostic Test

    Set the highlight bar to 3, and press Enter. The following DIAGNOSTIC TEST MENU will appear: TOSHIBA personal computer XXXXXX DIAGNOSTICS version X.XX (c) copyright TOSHIBA Corp. 20XX DIAGNOSTICS MENU : 1 - DIAGNOSTIC TEST 2 – ONLY ONE TEST...
  • Page 132 Set the highlight bar to 1, and press Enter. The following DIAGNOSTIC TEST MENU will appear: TOSHIBA personal computer XXXXXX DIAGNOSTICS version X.XX (c) copyright TOSHIBA Corp. 20XX DIAGNOSTIC TEST MENU : 1 - SYSTEM TEST 2 - MEMORY TEST...
  • Page 133 Selecting YES of TEST LOOP increases the pass counter by one, each time the test cycle ends and restarts the test cycle. Selecting NO returns the process to the subtest menu after the test is complete. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 134: H/W Initial Information Setting Tool

    For more details on this test, refer to the section 3.3. 3.2.3 Heatrun test program Heatrun test starts executing the same subtest as 3.23 RUNNING TEST. For more details on this test, refer to the section 3.4. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 135: Setting Of The Hardware Configuration

    5. “Enter Bundle Number?” is displayed. Input the computer’s PCN/Bundle number and press Enter. (e.g. PMSREQ3Q34H/S0123456789) 6. “Write data OK (Y/N)?” is displayed. To write the DMI information to the Flash ROM, press Y, and then Enter. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 136 This subtest writes all the DMI data in the floppy disk into the new PCB. NOTE: Since the data of UUID is updated every time when this subtest, DMI information recovery, is done, the saved UUID data is not written. 3-10 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 137: Heatrun Test

    For more details on the procedure and test content, refer to RUNNING TEST. When the heatrun test ends, following message appears in the display. ************************************************ HEATRUN TEST END ************************************************ Press any key to continue... Press any key and return to the startup menu. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-11...

  • Page 138: Subtest Names

    Gradation for LCD Gradation & Mode test for VGA All dot on/off for LCD “H” pattern display LCD Brightness FLOPPY DISK Sequential read Sequential read/write Random address/data Write specified address Read specified address 3-12 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 139 W-R-C specified address REAL TIMER Real time Backup memory Real time carry NDP test EXPANSION PCMCIA wraparound [Not supported] RGB monitor ID CD-ROM Sequential read /DVD-ROM Read specified address Random address/data RW 1point W/R/C QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-13...

  • Page 140: System Test

    The following message will appear. *** Test Fan Revolution High speed Start Make sure the fan rotates at high speed, then press Enter. After a while, the fan rotating will stop. Subtest 03 Geyserville 3-14 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 141 Serial Number : XXXXXXXX UUID Number : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Model Number : XXXXXX-XXXXX PCN/BND Number : XXXXXXXXXX Press [Enter] to EXIT To exit this subtest and return to the SYSTEM test menu, press Enter. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-15...

  • Page 142: Memory Test

    Data: FFh, FFh, FFh, FFh, FFh, 00h, 00h, 00h, 00h, FFh, FFh, FFh, 00h, FFh, 00h, 00h, FFh, 00h, 00h, FFh, FFh, FFh, FFh, 00h, 00h, 00h, AAh 3-16 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 143: Keyboard Test

    Appendix D. KEYBOARD TEST IN PROGRESS 302000 Scan code Character code Keytop Ins Lock Caps Lock Num Lock Scroll Lock Ctrl Left Shift Right Shift PRESS [Enter] KEY QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-17...

  • Page 144: Display Test

    This subtest displays bands of gradations for mixed colors, then for red, green, and blue. Next, it displays eight solid colors full screen: red, semi-red, green, semi-green, blue, semi-blue, white, and semi-white. Each color displays for three seconds. 3-18 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 145 Mode 118. Subtest 05 All dot on/off for LCD This subtest displays an all-white screen then an all-black screen. The display changes automatically every three seconds, then returns to the DISPLAY TEST menu. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-19...
  • Page 146 Super-Bright —> Bright —> Semi-Bright —> Bright —> Super-Bright After displaying with Super-Bright of LCD brightness, return to the DISPLAY TEST menu. Subtest 08 LCD EDID Information (not use) Subtest 09 External EDID read/compare (not use) 3-20 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 147: Floppy Disk Test

    : XXX SUB-TEST MENU : 01 - Sequential read 02 - Sequential read/write 03 - Random address/data 04 - Write specified address 05 - Read specified address 99 - Exit to DIAGNOSTIC TEST MENU QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-21...
  • Page 148 This subtest writes the data specified by an operator to a specified track, head, and address. Subtest 05 Read specified address This subtest reads data from a track, head, and address specified by an operator. 3-22 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 149: Printer Test

    Select the printer channel number, and press Enter to execute the selected subtest. Subtest 01 Ripple Pattern This subtest prints characters for codes 20h through 7Eh line-by-line while shifting one character to the left at the beginning of each new line. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-23...
  • Page 150 NOTE: To execute this subtest, a printer wraparound connector must be connected to the computer’s printer port. This subtest checks the output and bi-directional modes of the data control and status lines through the parallel port wraparound connector (34M741986G01). (Both output and bi-directional modes are tested.) 3-24 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 151: Async Test

    FIR/SIR port. Subtest 03 Wraparound (board) NOTE: To execute this subtest, a RS-232C wraparound connector must be connected to the RS-232C port. This subtest checks the data send/receive function through the wraparound connector. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-25...

  • Page 152: Hard Disk Test

    3. This message is used to select whether or not the HDD status is displayed on the screen. The HDC status is described in section 3.20. Select 1 or 2. Detail status display (1:no, 2:yes) 3-26 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 153 1. Forward sequential 2. Reverse sequential 3. Random Subtest 03 Random address/data This subtest writes random data in a random length to random addresses. This data is then read and compared to the original data. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-27...
  • Page 154 This subtest writes specified 2-byte data to all of the cylinders on the HDD. Subtest 09 W-R-C specified address This subtest writes data to a specified cylinder and head on the HDD, then reads the data and compares it to the original data. 3-28 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 155: Real Timer Test

    Writes 1-bit of “off” data (FEh through 7Fh) to address 0Eh through 7Fh Writes the data pattern AAh and 55h to the address 0Eh to 7Fh Then the subtest reads and compares this data with the original data. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-29...
  • Page 156 Current time : 23:59:58 The real time increments are automatically executed and the following is displayed: Current date : 01-01-2000 Current time : 00:00:00 PRESS [Enter] KEY TO EXIT TEST To exit the test, press Enter. 3-30 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 157: Ndp Test

    3.15 NDP Test 3 Tests and Diagnostics 3.15 NDP Test To execute the NDP test, select 10 from the DIAGNOSTICS TEST MENU, press Enter and follow the directions on the screen. CAUTION: Judge the existence of high-speed operation processor by 1bit of the composition byte.

  • Page 158: Expansion Test

    –– –– Speaker line 00004 40,80 Wait line (40<xx<80) 00005 Other lines (BSY#, BVD1) NN=21, 00 NOTE: Select the subtest number01, The following message will appear: Test slot number select (1:slot0, 2:slot1, 0:slot0&1)? 3-32 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 159 3.16 Expansion Test 3 Tests and Diagnostics Subtest 02 RGB monitor ID NOTE: To execute this subtest, monitor supporting EDID (Extended Display Identification Data) is required. Connect a wraparound connector to CRT monitor for the test of ID acquisition. This subtest is executed by using VESA command. CAUTION: It becomes NG because the priority is given to the internal monitor in a simultaneous display mode.

  • Page 160: Cd-Rom/Dvd-Rom Test

    To execute the CD-ROM/DVD-ROM test, select 12 from the DIAGNOSTICS TEST MENU, press Enter and follow the directions on the screen. NOTE: For the subtest 01, 02 and 03, use the TOSHIBA CD-ROM TEST DISK TDY-01 or ABEX TEST CD-ROM TCDR-702 and DVD-ROM TEST DISK TSD-1. For the subtest 04, use a CD-RW on the market.

  • Page 161: Error Code And Error Status Names

    3.18 Error Code and Error Status Names 3 Tests and Diagnostics 3.18 Error Code and Error Status Names Table 3-2 lists the error codes and error status names for the Diagnostic Test. Table 3-2 Error codes and error status names (1/3) Device name Error code Error status name...
  • Page 162 HDD - RECORD NOT FOUND ERROR HDD - ECC ERROR HDD - HDC ERROR HDD - SEEK ERROR HDD - TIME OUT ERROR HDD - ECC RECOVER ENABLE HDD - DRIVE NOT READY 3-36 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 163 3.18 Error Code and Error Status Names 3 Tests and Diagnostics Table 3-2 Error codes and error status names (3/3) Device name Error code Error status name (HDD) HDD - WRITE FAULT HDD - STATUS ERROR HDD - BAD SECTOR HDD - ACCESS TIME ERROR HDD - NO HDD HDD - DMA CRC ERROR...

  • Page 164: Hard Disk Test Detail Status

    (Corrected data) “1” … Correctable data error is corrected. “0” … Not used (Index) “1” … Index is sensed. “0” … Normal (Error) “1” … The previous command was terminated with an error. 3-38 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 165 3.19 Hard Disk Test Detail Status 3 Tests and Diagnostics Tables 3-4 HDC Error register contents Name Description “0” … Not used (Bad block mark) “1” … A bad block mark is detected. “0” … There is no uncorrectable data error. (Uncorrectable) “1”...

  • Page 166: Only One Test

    99 .... Exit to Common Test **************************************************************** ..Press test number [1-9] ? Select the subtest number you want to test and press Enter. To return to the DIAGNOSTIC TEST menu, select 9 and press Enter. 3-40 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 167 3.20 ONLY ONE TEST 3 Tests and Diagnostics Subtest 01 Pressed Key Display (Main key) When you execute this subtest, the keyboard layout is drawn on the display as shown below. When any key is pressed, the corresponding key on the screen changes to the key character that was pressed.
  • Page 168 Holding a key down enables the auto-repeat function that causes the key’s display character to blink. Press Del + Enter (Ten key) to end the test. [ Ten key test] IF TEST OK, Press [Dell][Enter]key 3-42 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 169 3.20 ONLY ONE TEST 3 Tests and Diagnostics Subtest 03 Wireless communication Switch This subtest checks if the Wireless communication switch works properly. If the test is started with the switch ON, following message appears in the display. Wireless communication Switch is set to a start position (OFF) Slide the switch to OFF position.
  • Page 170 Check [DC-IN]&[Power]&[Main Battery]LED= White Check if the each LED lights in the same color as the message in the display (Message switches <-> White Orange Press Enter and return to the ONLY ONE TEST menu. 3-44 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 171 3.20 ONLY ONE TEST 3 Tests and Diagnostics Subtest 06 Button This subtest checks if the touch sensor buttons (11 buttons) work properly. The following message appears in the display. 0 1 2 3 4 5 6 7 8 * * * * * * * * * Press Function button ! Touch the first touch sensor button from the left.
  • Page 172 <BUTTONS> displays appear on the right side one by one. The parameters appear above the <BUTTONS> (1) or (2) corresponding to the pressed touch pad switch highlights. To end this subtest, press two touch pad switches at the same time. 3-46 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 173 3.20 ONLY ONE TEST 3 Tests and Diagnostics Subtest 08 Spurs Engine This subtest checks if Spurs Engine works properly. OK message appears in the display if the test ends. NG message appears in the display if a defective is the test. Press Enter and return to the ONLY ONE TEST menu.
  • Page 174 Please turn Volume control dial to the left. Step2 The following message appears in the display. Volume test Volume [Up] Please turn Volume control dial to the Right. After checking , return to the ONLY ONE TEST menu automatically. Volume 3-48 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 175: Head Cleaning

    3.21 Head Cleaning 3 Tests and Diagnostics 3.21 Head Cleaning 3.21.1 Function Description This function cleans the heads in the FDD by executing a series of head load/seek and read operations. A cleaning kit is necessary to perform this program. 3.21.2 Operations 1.

  • Page 176: Log Utilities

    5. FDD/HDD or memory address (ADDR) 6. Write data (WD) 7. Read data (RD) 8. HDC status (HSTS) 9. Error status name (ERROR STATUS NAME) If the power switch is turned off, the error information will be lost. 3-50 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 177 The 7 key writes the log information to a floppy disk. 3. In the case of “error retry OK,” a capital “R” will be placed at the beginning of the error status. However, it is not added to the error count. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-51...

  • Page 178: Running Test

    2. To execute the test, press Y (yes) and Enter. To cancel the test, press N (no) and Enter. If you execute the selectable test, follow the indication message in the display. 3. After setting the selectable test, the test starts automatically. To terminate the program, press Ctrl + Break. 3-52 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683))

  • Page 179: Floppy Disk Drive Utilities

    This program displays the contents of the floppy disk and the designated sectors of the hard disk on the display. 4. HDD ID READ This program reads the hard disk ID and displays hard disk information. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-53...
  • Page 180 After the floppy disk is formatted, the following message will appear: Format complete Another format (1:Yes/2:No) ? (e) Typing 1 displays the message from step (c) above. Typing 2 returns the test to the DIAGNOSTIC MENU. 3-54 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683))
  • Page 181 Copy complete Another copy (1:Yes/2:No) ? (g) To copy another disk, type 1 and the message from step (a) is displayed again. Entering 2 returns the test program to the DIAGNOSTIC MENU. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-55...
  • Page 182 (i) Select a drive number and the following message will be displayed. ---Max. address --- [LBA ] = XXXXXXXXX LBA number ???????? (j) Set the LBA number you want to dump. The system will access the disk and dump a list. 3-56 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683))
  • Page 183 [HDD ID Read (VX.XX)] [Drive #1] [Drive #2] Model No. = XXXXXXX = XXXXXXX NOTE: Only when a 2nd HDD is installed, [Drive #2] message appears in the display. Press Enter to return to the FDD UTILITIES MENU. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-57...

  • Page 184: System Configuration

    13. Printer Adapter 14. ASYNC Adapter 15. Math co-processors 16. Floppy Disk Drive [Track/Head/Sector] 17. Hard Disk Drive [Sector/Drive size/Manufacture code] 18. Optical Disk Drive [Maker/Drive type/Manufacture code/Product code] 19. T&D total version 20. Date/Time 3-58 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 185 = XXXXX, (XXXXX GB) [XXXXXXXXXXXXXXXXX] - ODD = XXXX XXXXXXXX XXXXXXXXX [XXXXXXXXXXXX] - T&D Total Version = VX.XX Press [Enter] Key [Date = XXXX-YY-ZZ, XX:YY:ZZ] Press Enter to return to the DIAGNOSTIC MENU. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-59...

  • Page 186: Wireless Lan Test Program (Atheros)

    1. Slide the wireless communication switch to “ON” position. 2. Check the card type according to the following procedure: • Click [Start] -> [All Programs] -> [TOSHIBA] -> [Utilities] -> [PC Diagnostic Tool]. • Check the “Network”. If the “...
  • Page 187 LAN card or no available access point is found. In this case, check the antenna cable connection to the wireless LAN card by disassembling the computer following the steps described in Chapter 4, Replacement Procedures. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-61...

  • Page 188: Wireless Lan Test Program (Intel-Made B/G ,A/B/G)

    1. Copy the R100VWL5.ZIP (wireless LAN program for maintenance, common to Calexico, Golan and Kedron) to REF PC and unzip it. Then “Clx_Res” folder is created and the following three programs are copied in it. • PACKET.SYS • PACKET.INF • WTWINSVR.EXE 3-62 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 189 Open “My Computer” window and click “My Network places” on the left column. • Click “View network connections” on the left column. • The “Network Connections” window appears. Double-click “Local Area Connection”. Network Connections window QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-63...
  • Page 190 Select “Protocol” on the “Select Network Component Type” window and click “Add…” button. Select Network Component Type window • Click “Have Disk…” button on the “Select Network Protocol” window. Select Network Protocol window 3-64 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 191 When the installation is completed, “Local Area Connection Properties” will appear. Confirm that the “DDK PACKET Protocol“ is added. Click “Close” button to finish the setup of REF PC. Local Area Connection Properties window QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-65...
  • Page 192 Then the following screen will appear. Start the test program on DUT. Screen while running the wtwinsvr program The REF PC is waiting for the start of the test program on DUT. 3-66 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 193: Wireless Lan Test Program (Intel-Made A/B/G/N)

    This subtest displays the MAC address. Selecting this subtest, following message will appear in the display. ***********************MAC CHECK***************************** MAC = XXXXXXXXXXXX ************************************************************* ************************************************************* MAC Address Check : OK !! ************************************************************* Press any key and return to the test menu. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-67...
  • Page 194 When pressing any key, the following message (which antenna is defective) is displayed ************************************** Main Antenna Test : NG !! ************************************** ************************************** Aux Antenna Test : NG !! ************************************** Press any key and return to the test menu. 3-68 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 195 When a defective is detected in the test, following typical cause is considered. • Connection of wireless LAN card • Defective wireless LAN card • Disappearance of MAC address data Checking the connection, execute the subtest again. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-69...
  • Page 196 All the tests is executed in the order of SKU check of Module, MAC Address Check, Communication test of 11b mode, Communication test of 11a mode and Communication test of 11g mode. When any error has detected, the test finishes. 3-70 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 197: Lan/Modem/Bluetooth/Ieee1394 Test Program

    ICHx GbE (i82540) Diagnostics program ##### #################################################################### 1 .... (i82562 + ICHx) 2 .... (GbE) ******************************************************************** ..Press test number [1-2] ? Press the number you want to test and press Enter. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-71...
  • Page 198 < TRANSMIT > < RECEIVE > NOTE: The menu displayed by your computer may be slightly different from the one shown above. If a defective is found, NG message will appear in the display. 3-72 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 199 1000Base Auto-negotiation TxRx Test CE Test Complete NOTE: The menu displayed by your computer may be slightly different from the one shown above. If a defective is found, NG message will appear in the display. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-73...

  • Page 200: Modem Test

    RJ11 Connection Check (LED) (Operator’s Check LED) test will be executed, and the following message will appear: ...Press Key (Y = OK , N =NG) If the color in the LED of the connection checker is orange, press Y, otherwise, press N. 3-74 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 201 (A mobile phone with the Bluetooth function is also available.) ・ A Bluetooth card should be installed on the target computer. Install the Bluetooth function by clicking [All Programs] -> [TOSHIBA] -> [Bluetooth] -> [Bluetooth Settings]. Test procedure 1.
  • Page 202 If the BT address of the responder device does not appear, check the Bluetooth card condition and antenna cable connection to the Bluetooth card by disassembling the computer following the steps described in Chapter 4, Replacement Procedures. 3-76 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 203: Ieee1394 Test

    This program is executed in the responder machine to initialize the responder machine with the IEEE1394 cable connected to the target machine before executing subtest 01. Subtest03 1394 GUID Display This program checks the GUID of IEEE1394. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-77...

  • Page 204: Sound Test Program

    Sound TEST disk cannot be used in Qosmio G50. Therefore, please test the sound on Windows OS. 1) Play a music file. 2) click TOSHIBA-> utility -> "PC diagnostic tool." to test the sound Please check operation of speakers by one of methods. 3-78...

  • Page 205: Setup

    (g) Sound Logo (h) Front Operation panel (i) Beep Volume (j) Diagnostic Mode (k) USB Sleep and Charge 7. Configuration 8. Battery (a) Battery Save Mode (b) PCI Express Link ASPM (c) Enhanced C-States QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-79...
  • Page 206 (a) LCD Display Stretch (b) HDMI-CEC 12. Peripheral (a) Internal Pointing Device 13. Legacy Emulation (a) USB KB/Mouse Legacy Emulation (b) USB-FDD Legacy Emulation (c) USB Memory BIOS Support 14. PCI LAN (a) Built-in LAN 3-80 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 207 3.31 SETUP 3 Tests and Diagnostics 3..31.2 Accessing the SETUP Program While pressing ESC, turn on the power. Then press F1. The following display appears. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-81...
  • Page 208 3 Tests and Diagnostics 3.31 SETUP 3-82 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 209 2. To accept the default settings, press End and then press Y. NOTE: When you execute the default setting, the following settings are not changed: (1) HDD Mode (2) Password (3) Write Policy QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-83...
  • Page 210 This item selects the hard disk to set HDD password. Built-in HDD1 Sets HDD password for the built-in HDD1 Built-in HDD2* Sets HDD password for the built-in HDD2 *In the case of the model equipped with two HDD 3-84 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 211 The computer looks for bootable files in the following order: CD-ROM, LAN, HDD and FDD. CD-ROM→LAN→FDD→HDD: The computer looks for bootable files in the following order: CD-ROM, LAN, FDD and HDD. (*1) CD-ROM refers to a Optical Disk Drive. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-85...
  • Page 212 The configuration for the Core Multi - Processing is carried out in the BIOS setup program. Enabled is Dual Core mode. Disabled is Single Core mode. Enabled Enables Core Multi-Processing functions. (Default) Disabled Disables Core Multi - Processing functions. (b) Dynamic CPU Frequency mode 3-86 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 213 = Disabled Set the parameters for the Auto Power On (automatic power on) function and Critical Battery Wake-up = Enabled the Wake-up on LAN in the “OPTIONS” window. To set the time, use Space QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-87...
  • Page 214 Sleep Mode, the system is automatically woken up and then switched to Hibernation Mode (Default). Disabled No action is taken even if the remaining battery power is about to run out while the system is in Sleep Mode. 3-88 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 215 A power supply is not supplied in a Sleep mode state. (Default) Enabled（Mode1） A power supply is supplied in a Sleep mode state. Enabled（Mode2） A power supply is supplied in a Sleep mode state. 7. Configuration QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-89...
  • Page 216 NOTE: Display of the LCD Brightness will be changed in the condition below: (*1) Operating the battery (*2) Using the AC adapter User Setting Use this option to set the battery save parameters on the sub-window, BATTERY SAVE OPTIONS. Battery Save Options 3-90 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 217 NOTE: Too hot condition may cause defect on the CPU. When the hot condition continues, the power is automatically turned off in resume mode. (b) PCI Express Link ASPM This option set the power-saving function of PCI Express on the following conditions. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-91...
  • Page 218 This item displays the Serial ATA Port Number. It is for information only and cannot be changed. Serial ATA Port0 (b) Built-in HDD2 This item displays the Serial ATA Port Number. It is for information only and cannot be changed. Serial ATA PortX 3-92 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 219 Remote Power Control A setup which enables power-on-off of a personal computer from the television corresponding to a HDMI function Enabled Enables the Remote Power Control set-up. (Default) Disabled Disables the Remote Power Control set-up. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-93...
  • Page 220 USB flash memory. The priority with other HDD can be set up by "HDD Priority." (Default) A USB flash memory is treated as FDD. The priority as a drive to start turns into ranking of FDD in "Boot Priority." 3-94 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 221 3.31 SETUP 3 Tests and Diagnostics 14. PCI LAN This option sets the Enable / Disable of the built-in LAN functions. Enabled Enables built-in LAN functions. (Default) Disabled Disables built-in LAN functions. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 3-95...
  • Page 222 3 Tests and Diagnostics 3.31 SETUP 3-96 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 223: Chapter 4 Replacement Procedures

    Chapter 4 Replacement Procedures [CONFIDENTIAL]...
  • Page 224 4 Replacement Procedures 4-ii [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 225 Wireless USB card....................4-60 4.21 MDC ........................4-62 4.22 FM tuner........................4-64 4.23 RTC battery......................4-66 4.24 System board......................4-68 4.25 VGA fin/VGA/SPURS fin/SPURS................4-72 4.26 CPU fin/North bridge fin/CPU fan/CPU ..............4-76 4.27 Speaker........................4-82 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-iii...
  • Page 226 Internal microphone/Camera module ..............4-107 4.37 Wireless LAN antenna/GPS antenna/Wireless USB antenna........ 4-111 4.38 Fluorescent lamp....................4-113 4.38.1 Replacing the 18.4-inch HD+ Samsung Fluorescent Lamp....4-114 4.38.2 Replacing the 18.4-inch FHD Samsung Fluorescent Lamp....4-117 4-iv [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 227: Optical Disk Drive

    Figure 4-27 Removing the touch pad/Fingerprint sensor board/LED board (2) ....4-43 Figure 4-28 Removing the Fingerprint sensor board............4-44 Figure 4-29 Removing the LED board ................4-45 Figure 4-30 Removing the touch pad................. 4-46 Figure 4-31 Removing the base assembly (1)..............4-48 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 228: Rtc Battery

    Figure 4-60 Removing the hinge (right) ................4-91 Figure 4-61 Removing the hinge (left) ................4-92 Figure 4-62 Removing the modem jack/FM jack/DC-IN jack/right LED......4-94 Figure 4-63 Removing the F-jack ..................4-96 4-vi [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 229 Figure 4-75 Removing the wireless LAN antenna/GPS antenna/wireless USB antenna ....................4-111 Figure 4-76 to 4-79 Replacing Samsung fluorescent lamp (HD+) ......4-114 to 4-116 Figure 4-80 to 4-83 Replacing Samsung fluorescent lamp (FHD) ......4-117 to 4-119 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-vii...
  • Page 230 4 Replacement Procedures 4-viii [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 231: Overview

    FRUs need to be removed. • Chart Notation The chart shows the case for the following example: • Removing a Optical disk drive All FRUs down to the “4.2 Battery pack” to “4.7 Keyboard” must be removed. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 232 LCD COVER CAMERA MODULE ASSY 2.4/5.2GHZ ANTENNA Parts which can not be reused are (1) Touch sensor (9 BUTTON TOUCH SENSOR), (2) Touch pad, (3) Camera module and (4) Wireless LAN antenna (2.4/5.2GHZ ANTENNA). [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 233 DANGER: 1. In the case of the battery, always use authentic parts or equivalent parts approved by Toshiba. Other batteries may have different specifications that are incompatible with the computer and may result in fire or explosion.
  • Page 234 Screw sizes are noted in the text and figures. 9. As all parts have sharp edges and corners, take care not to cut yourself. 10. After replacing an FRU, check that the computer and replaced part operate correctly. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 235 Pull the cable to ensure that it is securely connected. Normal pin connectors are used for all other cables. Simply pull out or push in these connectors to disconnect or reconnect. Back flip connector Pressure plate connector Spring connector QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 236 ESD mats (lay on work table or floor) • An ESD wrist strap and heel grounder • Anti-static carpet or flooring • A pair of needle-nose pliers • Air-ionizers in highly static sensitive areas • Antenna coaxial cable disconnector [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 237 Some screws have a colored grip area to help you determine the length of the screw. [Normal grip] • Even numbered length screws: Brown • Odd numbered length screws: White Grip area • Special length screw: Blue [Special grip] QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 238 Odd numbered length screws: Pink • Special length screw: Green “Special length screw” means screws whose length is indicated in an integral number to the first decimal places such as 2.5 mm, 2.8 mm and so on. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 239 T: Tapping screw U: Other screws (Unique screws: pan head, stud, etc.) Example: B6 ... 6mm BIND screw Screw color/material B: Black/Nickel C: Silver/Non-Hexavalent Chromate U: Other screws (Unique screws: such as stud, etc.) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 240: Battery Pack

    1. Turn off the power of the computer. 2. Disconnect the AC adapter and all external devices from the computer. 3. Turn the computer upside down. 4. Release the battery lock. Battery lock Figure 4-1 Removing the battery pack (1) 4-10 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 241 6. Insert your finger into the slit and pull up the battery pack to remove. Battery latch Slit Battery pack Figure 4-2 Removing the battery pack (2) NOTE: Dispose of the used battery pack in accordance with the laws and ordinances of your local authority. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-11...
  • Page 242 Dispose always the used battery pack in accordance with the laws and ordinances of your local authority. Use only the batteries approved by Toshiba. NOTE: Check visually the battery terminals and clean off any dirt with a dry cloth.

  • Page 243: Expresscard & Pc Card / Bridge Media

    Left side cover Figure 4-3 Removing the ExpressCard Installing the ExpressCard The following describes the procedure for installing the ExpressCard (See Figure 4-3). 1. Insert the ExpressCard and press it until it is securely connected. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-13...
  • Page 244 Figure 4-4 Removing the Bridge media Installing the Bridge media The following describes the procedure for installing the Bridge media (See Figure 4-4). 1. Insert the Bridge media and press it until it is securely connected. 4-14 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 245: Hdd

    4. Remove the following screw and HDD-1 assembly from the connector on the system board. • M2.5×6B ×1 FLAT HEAD screw HDD-1 cover M2.5x6B FLAT HEAD Slit M2.5x6B FLAT HEAD HDD-1assembly Figure 4-5 Removing the HDD-1 assembly QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-15...
  • Page 246 6. Insert your finger into the slit and remove the HDD-2 cover. 7. Remove the HDD-2 assembly from the connector on the HDD-2 cable. M2.5x6B FLAT HEAD HDD-2 cover Slit HDD-2 assembly HDD-2 cable Figure 4-6 Removing the HDD-2 assembly 4-16 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 247 8. Remove the following screws and separate the HDD holder-1 S and HDD -1. • M3.0×4C ×4 FLAT HEAD screw HDD holder-1 M3.0x4C FLAT HEAD M3.0x4C FLAT HEAD HDD-1 Figure 4-7 Removing the HDD-1 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-17...
  • Page 248 3. Connect the HDD-2 assembly to the connector of the HDD-2 cable and set the HDD-2 assembly into the HDD-2 slot. 4. Set the HDD-2 cover to the slot and secure it with the following screw. 4-18 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 249 5. Connect the HDD-1 assembly to the connector on the system board and secure the HDD-1 assembly with the following screw. • M2.5×6B ×1 FLAT HEAD screw 6. Set the HDD-1 cover and secure it with the following screw. • M2.5×6B ×1 FLAT HEAD screw QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-19...

  • Page 250: Memory Module

    (See Figure 4-9 and 4-10). 1. Loosen the screw securing the memory cover. 2. Insert your finger into the slit and remove the memory cover. Memory cover Screw Slit Figure 4-9 Removing the memory cover 4-20 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 251 3. When the power of the computer is turned on, the computer checks automatically the memory size. Make sure that the new memory is detected correctly. 4. If the memory is not detected, check that it is connected correctly. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-21...

  • Page 252: Fan Hood

    The following describes the procedure for installing the fan hood (See Figure 4-11). 1. Set the fan hood to the slot. 2. Set the CPU fin cover and secure it with the following screw. • M2.5×4C ×1 FLAT HEAD screw 4-22 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 253: Keyboard

    4. Lift the upper side of the keyboard while releasing the latches and turn the keyboard face down on the palm rest. Keyboard holder M2.5x4B FLAT HEAD Latch M2.5x4B FLAT HEAD Latch Keyboard Latch Hole Latch Figure 4-12 Removing the keyboard holder QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-23...
  • Page 254 Make sure that latches of the under side are put in the holes and there is no space between the keyboard and the computer. 3. Secure the keyboard with the following screws. • M2.5×4B ×4 FLAT HEAD screw 4. Set the keyboard holder and press it to latch. 4-24 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 255: Optical Disk Drive (Dvd-Super Multi Drive)

    The following describes the procedure for removing the optical disk drive (See Figure 4-14 to 4-16). 1. Remove the following screw securing the optical disk drive. • M2.5×6B FLAT HEAD screw ×1 M2.5x6B FLAT HEAD Figure 4-14 Removing the optical disk drive (1) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-25...
  • Page 256 2. Close the display and turn over the computer. 3. Remove the following screw and pull out the optical disk drive. • M2.5×6B FLAT HEAD screw ×1 M2.5x6B FLAT HEAD Optical disk drive Figure 4-15 Removing the optical disk drive (2) 4-26 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 257 5. Remove the following screw and ODD side bracket. • M2.0×3C ×1 S-THIN HEAD screw ODD side bracket ODD rear bracket M2.0x3C S-THIN HEAD M2.0x2.7C Unique Figure 4-16 Removing the optical disk drive (3) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-27...
  • Page 258 CAUTION: When the optical disk inside the optical disk drive can not be ejected because of some failure, open the disc tray by inserting a slender object (about 15 mm) such as a straightened paper clip into the eject hole near the eject button. 4-28 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 259: Cover Assembly

    2. Disconnect the VGA fan cable (for external VGA model) from the connector CN8781 on the system board. TV tuner antenna cable VGA fan cable (connected to CN8781) Figure 4-17 Removing the cover assembly (1) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-29...
  • Page 260 FLAT HEAD screw ×7 (Described as “6B” in the figure) • M2.5×6C FLAT HEAD screw ×2 (Described as “6C” in the figure) • M2.5×16B FLAT HEAD screw ×6 (Described as “16” in the figure) Figure 4-18 Removing the cover assembly (2) 4-30 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 261 (connected to CN9550) Touch sensor cable Touch pad SW/ (connected to CN9650) LED cable (connected to CN3240) Power switch cable (connected to CN3300) Volume cable (connected to CN3330) Figure 4-19 Removing the cover assembly (3) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-31...
  • Page 262 7. Take out the camera/microphone cable and Bluetooth cable from the slot. 8. Remove the following screws securing the cover assembly. • M2.5×6B ×6 FLAT HEAD screw M2.5x6B FLAT HEAD M2.5x6B FLAT HEAD Bluetooth cable Camera/microphone cable Figure 4-20 Removing the cover assembly (4) 4-32 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 263 9. Remove the cover assembly from the base assembly while releasing the latches. 10. Remove the WL SW cover from the slot. Cover assembly WL SW cover Base assembly Figure 4-21 Removing the cover assembly (5) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-33...
  • Page 264 ×6 (Described as “16” in the figure) FLAT HEAD screw 8. Connect the VGA fan cable to the connector CN8781 on the system board. 9. Connect the TV tuner antenna cable to the connector on the TV tuner. 4-34 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 265: Volume Board

    The following describes the procedure for removing the volume board (See Figure 4-22). 1. Remove the following screws and volume board. • Unique screw ×2 Unique Volume cable Volume board Guide Guide Figure 4-22 Removing the volume board QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-35...
  • Page 266 The following describes the procedure for installing the volume board (See Figure 4-22). 1. Arrange the volume cable under the guides. 2. Set the volume board on the cover assembly in place and secure it with the following screws. • Unique screw ×2 4-36 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 267: Power Switch Board

    FLAT HEAD screw 2. Disconnect the power switch cable from the connector on the power switch board. Power switch board M2.5x4B FLAT HEAD Power switch cable Guide Guide Figure 4-23 Removing the power switch board QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-37...
  • Page 268 2. Arrange the power switch cable under the guides of the cover assembly. 3. Set the power switch board under the guide of the cover assembly and secure it with the following screw. • M2.5×4B ×1 FLAT HEAD screw 4-38 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 269: Touch Sensor

    3. Disconnect the touch sensor cable from the connector on the touch sensor. Latch AV button holder Touch sensor cable Insulator Touch sensor Figure 4-24 Removing the touch sensor NOTE: Do not reuse the touch sensor. Be sure to use a new touch sensor. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-39...
  • Page 270 1. Connect the touch sensor cable to the connector on a new touch sensor. 2. Stick the touch sensor in place and arrange the touch sensor cable under the insulator. 3. Set the AV button holder into the slot while sliding it. 4-40 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 271: Bluetooth Module

    The following describes the procedure for installing the Bluetooth module (See Figure 4-25). 1. Connect the Bluetooth cable to the connector on the Bluetooth module. 2. Set the Bluetooth module into the slot and arrange the Bluetooth cable in place. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-41...

  • Page 272: Touch Pad/Fingerprint Sensor Board/Led Board

    LED board cable from the guides of the cover assembly. Glass tape Touch pad SW/LED cable Aluminum tape (AL TAPE LED FFC) Guide Figure 4-26 Removing the touch pad/Fingerprint sensor board/LED board (1) 4-42 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 273 4. Remove the following screws and Fingerprint sensor board/LED board from the slot. • ×2 M2.0×4B BIND screw M2.0x4B BIND Fingerprint sensor board/ LED board Guide Touch pad cable Figure 4-27 Removing the touch pad/Fingerprint sensor board/LED board (2) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-43...
  • Page 274 6. Remove the following screw and Fingerprint sensor board. • M2.5×2.8B ×1 FLAT HEAD screw M2.5x2.8B FLAT HEAD Fingerprint sensor board Fingerprint sensor cable Figure 4-28 Removing the Fingerprint sensor board 4-44 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 275 8. Remove the following screw and separate the LED board and plate. • M2.5×2.8B ×1 FLAT HEAD screw M2.5x2.8B FLAT HEAD Touch pad plate LED board Plate Figure 4-29 Removing the LED board QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-45...
  • Page 276 NOTE: Do not reuse the removed touch pad. Be sure to use a new touch pad. Please prepare required parts in advance, when replacing the following item. Parts List ITEM PART NAME Quantity ITEM No COVER ASSY 9 BUTTON TOUCH SENSOR COVER ASSY TOUCH PAD T-PAD BACK INSULATOR 4-46 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 277 9. Connect the touch pad SW/LED cable to the connector on the LED board and arrange the LED board cable under the guides of the cover assembly. 10. Stick the glass tape and aluminum tape (AL TAPE LED FFC) in place. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-47...

  • Page 278: Wireless Lan Card

    Wireless LAN antenna cable LCD cable M2.5x6B FLAT HEAD CN5310 Wireless LAN card Guide CN5311 GPS cable or Wireless USB cable GPS or Wireless USB Guide Figure 4-31 Removing the base assembly (1) 4-48 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 279: Cover Assembly/Base Assembly

    5. Separate the LCD assembly and base assembly while pulling out the right hinge from the hole of the base assembly. LCD assembly Hinge (right) Base assembly Figure 4-32 Removing the base assembly (2) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-49...
  • Page 280 5. Connect the wireless LAN antenna cables to the connector on the wireless LAN card. 6. Arrange the wireless LAN antenna cables under the guides. 7. Secure the LCD assembly and base assembly with the following screws. • M2.5×6B ×3 FLAT HEAD screw 4-50 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 281: Wireless Lan Card

    3. Disconnect the wireless LAN card from the connector CN2600 on the system board. M2.0x3C BIND Wireless LAN card CN2600 Wireless LAN antenna cable Figure 4-33 Removing the wireless LAN antenna cable (three antenna cables) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-51...
  • Page 282 4 Replacement Procedures 4.16 Wireless LAN card M2.0x3C BIND Wireless LAN card CN2600 Wireless LAN antenna cable Figure 4-34 Removing the wireless LAN antenna cable (two antenna cables) 4-52 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 283 NOTE: white cable to MAIN, black cable to AUX for the two antenna cables and white cable to 1, black cable to 2 and gray cable to 3 marked on the wireless LAN card for three antenna cables. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-53...

  • Page 284: Back Cover

    1. Remove the following screws securing the back cover. • ×4 M2.5×6B FLAT HEAD screw 2. Remove the back cover while releasing the latches. M2.5x6B FLAT HEAD M2.5x6B FLAT HEAD Back cover Guide Figure 4-35 Removing the back cover 4-54 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 285 NOTE: When setting the back cover, be careful not to pinch the DC-IN jack cable and right LED cable. 2. Secure the back cover with the following screws. • ×4 M2.5×6B FLAT HEAD screw QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-55...

  • Page 286: Tv Tuner

    • M2.0×3C ×2 BIND screw 3. Remove the TV tuner from the connector CN2700 on the system board. M2.0x3C BIND TV tuner antenna cable CN2700 TV tuner Figure 4-36 Removing the TV tuner 4-56 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 287 2. Secure the TV tuner with the following screws while pushing it. • ×2 M2.0×3C BIND screw 3. Connect the TV tuner antenna cable to the connectors on the TV tuner and system board. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-57...
  • Page 288 2. Remove the following screws securing the GPS. • M2.0×3C ×2 BIND screw 3. Remove the GPS from the connector CN2700 on the system board. M2.0x3C BIND GPS antenna cable CN2700 Figure 4-37 Removing the GPS 4-58 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 289 1. Insert the GPS into the connector CN2700 on the system board slantwise. 2. Secure the GPS with the following screws while pushing it. • ×2 M2.0×3C BIND screw 3. Connect the GPS antenna cable to the connector on the TV tuner. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-59...

  • Page 290: Wireless Usb Card

    BIND screw 3. Remove the wireless USB card from the connector CN2700 on the system board. M2.0x3C BIND Wireless USB antenna cable CN2700 Wireless USB card Figure 4-38 Removing the wireless USB card 4-60 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 291 1. Insert the wireless USB card into the connector CN2700 on the system board slantwise. 2. Secure the wireless USB with the following screws while pushing it. • ×2 M2.0×3C BIND screw 3. Connect the wireless USB antenna cable to the connector on the TV tuner. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-61...
  • Page 292 2. Lift the MDC straight above to remove it from the connector CN3010 on the system board. 3. Disconnect the modem cable from the connector on the MDC. M2.0x4B BIND Modem cable CN3010 Figure 4-39 Removing the MDC 4-62 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 293 Be careful not to damage the MDC and connectors. 3. Secure the MDC with the following screws. • M2.0×4B ×2 BIND screw CAUTION: Remove and connect the MDC from/on the system board perpendicularly, otherwise it may damage the MDC and connectors. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-63...

  • Page 294: Fm Tuner

    BIND screw 4. Disconnect the FM tuner cable from the connector on the FM tuner. M2.0x4B BIND FM tuner antenna cable CN3011 FM tuner cable FM tuner Figure 4-40 Removing the FM tuner 4-64 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 295 • ×2 M2.0×4B BIND screw 3. Connect the FM tuner antenna cable to the connector on the FM tuner. 4. Connect the FM tuner cable to the connector CN3011 on the system board. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-65...

  • Page 296: Rtc Battery

    2. Remove the RTC battery insulator (RTC battery is in the insulator) from the slot. 3. Remove the RTC battery from the RTC battery insulator. RTC battery cable RTC battery RTC battery insulator CN4642 Figure 4-41 Removing the RTC battery 4-66 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 297 1. Set the RTC battery into the RTC battery insulator and install them to the slot of the base assembly. 2. Connect the RTC battery cable to the connector CN4642 on the USB/Jack board. 3. Arrange the RTC battery cable in place. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-67...

  • Page 298: System Board

    3. If replacing with a new system board, execute the subtest01 Initial configuration in section 3.4 “Setting of the hardware configuration”. Also update with the latest BIOS and EC/KBC as described in Appendix G and in Appendix H. 4-68 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 299 (Connected to CN4631) Glass tape USB cable (Connected to CN4630) Left speaker cable Right speaker cable (Connected to CN6171) (Connected to CN6170) Left LED cable (Connected to CN9700) Figure 4-42 Removing the system board (1) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-69...
  • Page 300 3. Remove the following screw and system board while pushing the system board slightly in the direction shown in the figure below. • ×1 M2.5×4B FLAT HEAD screw M2.5x4B FLAT HEAD System board Figure 4-43 Removing the system board (2) 4-70 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 301 DC-IN jack cable, right LED cable and USB cable to the connector CN6171, CN6170, CN1920, CN4631, CN8800, CN9701 and CN4630 on the system board. 3. Connect the left LED cable to the connector CN9700 on the system board. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-71...

  • Page 302: Vga Fin/Vga/Spurs Fin/Spurs

    3. Disconnect the SPURS cable from the connector CN2801 on the system board and connector CN7901 on the SPURS. M2.0x4B BIND M2.0x4B BIND SPURS cable CN2801 CN7901 VGA holder VGA fin SPURS holder SPURS fin Figure 4-44 Removing the VGA fin/ SPURS fin 4-72 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 303 4. Remove the following screws and disconnect the VGA and SPURS from the connector CN5900 and CN2800 on the system board. • M2.0×4B ×6 BIND screw M2.0x4B BIND M2.0x4B BIND CN5900 SPURS M2.0x4C BIND CN2800 Figure 4-45 Removing the VGA/SPURS QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-73...
  • Page 304 6. Remove the following screws and disconnect the VGA from the connector CN5900 on the system board. • M2.0×4B ×2 BIND screw M2.0x4B BIND CN5900 M2.0x4B BIND VGA holder VGA fin Figure 4-46 Removing the VGA 4-74 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 305 NOTE: When securing the VGA holder and SPURS holder, be sure to secure the screws in the order of the number marked on the holder. 6. Connect the SPURS cable to the connector CN2801 on the system board and connector CN7901 on the SPURS. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-75...

  • Page 306: Cpu Fin/North Bridge Fin/Cpu Fan/Cpu

    • M2.0×4B ×4 BIND screw M2.0x4B BIND M2.0x4B BIND Heat sink holder M2.0x4B BIND North bridge fin /CPU fin (with a fan) Figure 4-47 Removing the North bridge fin/CPU fin (external VGA model) 4-76 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 307 4.26 CPU fin/North bridge fin/CPU fan/CPU 4 Replacement Procedures M2.0x4B BIND M2.0x4B BIND Heat sink holder M2.0x4B BIND North bridge fin CPU fin (with a fan) Figure 4-48 Removing the North bridge fin/CPU fin (internal VGA model) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-77...
  • Page 308 4.26 CPU fin/North bridge fin/CPU fan/CPU 3. Remove the following screws and separate the CPU fan and CPU fin. • M2.5×6B ×2 FLAT HEAD screw M2.5x6B FLAT HEAD CPU fan CPU fin Figure 4-49 Removing the CPU fan 4-78 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 309 4.26 CPU fin/North bridge fin/CPU fan/CPU 4 Replacement Procedures 4. Unlock the CPU by rotating the cam on the CPU socket 90 degrees counterclockwise with a flat-blade screwdriver. 5. Remove the CPU. Figure 4-50 Removing the CPU QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-79...
  • Page 310 5. Set the CPU fan to the CPU fin and secure them with the following screws. • M2.5×6B ×2 FLAT HEAD screw 6. Set the North bridge fin/CPU fin and secure them with the following screws. • M2.0×4B ×4 BIND screw 4-80 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 311 7. Set the heat sink holder and secure it with the following screws. • M2.0×4B ×3 BIND screw NOTE: When securing the heat sink holder, be sure to secure the screws in the order of the number marked on the holder. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-81...

  • Page 312: Speaker

    1. Remove the following screw and left LED. • ×1 M2.0×4B FLAT BIND screw 2. Remove the left speaker from the slot. Speaker (left) 4B FLAT BIND M2.0x LED (left) Figure 4-52 Removing the speaker (1) 4-82 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 313 4 Replacement Procedures 3. Peel off the glass tape and release the right speaker/woofer cable. 4. Release the jack board cable. Speaker (right)/woofer cable Glass tape Jack board cable Figure 4-53 Removing the speaker (2) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-83...
  • Page 314 4 Replacement Procedures 4.27 Speaker 5. Remove the right speaker/woofer from the slot. Speaker (right) Figure 4-54 Removing the speaker (3) 4-84 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 315: Woofer

    4.27 Speaker 4 Replacement Procedures Woofer Figure 4-55 Removing the speaker (4) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-85...
  • Page 316 3. Arrange the right speaker/woofer cable under the guides in place and stick the glass tape. 4. Set the left speaker to the slot. 5. Set the left LED and secure it with the following screw. • ×1 M2.0×4B FLAT BIND screw 4-86 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 317: Vga Fan

    The following describes the procedure for installing the VGA fan (See Figure 4-56). 1. Set the VGA fan to the slot and secure it with the following screws. • ×2 M2.5×6B FLAT HEAD screw QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-87...

  • Page 318: Vga Fan Cover

    Figure 4-57 Removing the VGA fan cover Installing the VGA fan cover The following describes the procedure for installing the VGA fan cover (See Figure 4-57). 1. Set the VGA fan cover to the slot. 4-88 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 319: Usb/Jack Board

    2. Disconnect the jack board cable from the connector CN6511 on the system board. Jack board cable USB/Jack board Hook CN6511 Figure 4-58 Removing the USB/jack board (1) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-89...
  • Page 320 1. Connect the USB cable to the connector CN6510 on the back of USB/jack board. 2. Connect the jack board cable to the connector CN6511 on the system board. 3. Set the USB/jack board to the slot of the base assembly while engaging the hook. 4-90 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 321 The following describes the procedure for removing the hinge (See Figure 4-60 and 4-61). 1. Remove the following screw and brake hinge low R. • M2.5×6C ×1 Tapping screw M2.5x6C Tapping Brake hinge low R Figure 4-60 Removing the hinge (right) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-91...
  • Page 322 3. Remove the following screw and brake hinge low L. • M2.5×6C ×1 Tapping screw M2.5x6C Tapping Brake hinge low L F-jack cable (Only for TV tuner-mounted model) Figure 4-61 Removing the hinge (left) 4-92 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 323 ×1 Tapping screw 2. Arrange the F-jack cable in place. 3. Set the brake hinge low R to the base assembly and secure it with the following screw. • M2.5×6C ×1 Tapping screw QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-93...

  • Page 324: Modem Jack

    2. Remove the modem jack/FM jack/DC-IN jack/right LED from the slots of the base assembly. M2.0x4B FLAT BIND Right LED DC-IN jack Modem jack or FM jack Figure 4-62 Removing the modem jack/FM jack/DC-IN jack/right LED 4-94 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 325 1. Set the modem jack/FM jack/DC-IN jack/right LED to the slots of the base assembly and arrange each cable. 2. Secure the right LED with the following screw. • ×1 M2.0×4B FLAT BIND screw QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-95...
  • Page 326 1. Disconnect the F-jack cable from the F-jack and remove the following screw securing the F-jack. • M2.5×4BN ×1 TH screw 2. Remove the F-jack from the slot of the base assembly. × TH SCREW M2.5 F-jack cable F-jack Figure 4-63 Removing the F-jack 4-96 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 327 The following describes the procedure for installing the F-jack (See Figure 4-63). 1. Connect the F-jack cable to the F-jack. 2. Set the F-jack to the slot of the base assembly and secure it with the following screw. • M2.5×4BN ×1 TH screw QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-97...

  • Page 328: Battery Lock/Battery Latch

    1. Remove the battery lock assembly while releasing three latches. 2. Remove the battery lock from the battery lock assembly. Battery lock Latch Battery lock assembly Figure 4-64 Removing the battery lock/battery latch (1) 4-98 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 329 2. Set the battery latch to the battery latch cover while engaging two latches. 3. Set the battery lock to the battery lock assembly. 4. Set the battery lock assembly to the slot while engaging three latches. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-99...
  • Page 330 2. Remove the LCD mask while releasing the latches. M2.5x6B FLAT HEAD (Under the LCD cushion up) LCD mask M2.5x8B FLAT HEAD (Under the LCD cushion low) Figure 4-66 Removing the LCD mask 4-100 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 331 4. Disconnect the LCD cable and HV cables from the connector on the FL inverter. 5. Remove the FL inverter from the slot. HV cable M2.0x4B S-THIN HEAD FL inverter LCD cable HV cable Figure 4-67 Removing the FL inverter QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-101...

  • Page 332: Lcd Unit/Fl Inverter

    FLAT HEAD screw 7. Release the cables and remove the LCD unit from the LCD cover. M2.5x6B FLAT HEAD M2.5x6B FLAT HEAD M2.5x6B FLAT HEAD LCD unit Figure 4-68 Removing the LCD unit 4-102 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 333 8. Remove the following screws and brake hinges (left and right) from the LCD unit. • M2.0×4B ×8 S-THIN HEAD screw M2.0x4B S-THIN HEAD Brake hinge R Brake hinge L M2.0x4B S-THIN HEAD Figure 4-69 Removing the brake hinge (left and right) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-103...
  • Page 334 4 Replacement Procedures 4.35 LCD unit/FL inverter 9. Peel off the glass tape and disconnect the LCD cable from the connector on the LCD unit. LCD cable Glass tape Figure 4-70 Removing the LCD cable 4-104 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 335 7. Set the LCD mask while engaging the latches and secure it with the following screws. • ×4 M2.5×6B FLAT HEAD screw • ×2 M2.5×8B FLAT HEAD screw 8. Stick six LCD cushions (up and low) in place. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-105...

  • Page 336: Internal Microphone/Camera Module

    1. Remove the following screws and LCD support plate (up) from the LCD cover. • M2.0×4B ×2 S-THIN HEAD screw LCD support plate (up) M2.0x4B S-THIN HEAD M2.0x4B S-THIN HEAD Figure 4-71 Removing the LCD support plate (up) 4-106 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 337 4 Replacement Procedures 2. Disconnect the camera/microphone cable from the connector on the camera module and peel off the camera module from the slot. Camera/microphone cable Camera module Figure 4-72 Removing the camera module QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-107...
  • Page 338 4 Replacement Procedures 4.36 Internal microphone/Camera module 3. Peel off the glass tapes fixing the camera/microphone cable. Glass tape Camera/microphone cable Figure 4-73 Removing the internal microphone (1) 4-108 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 339: Internal Microphone/Web Camera

    4 Replacement Procedures 4. Take out the internal microphone from the microphone holder and remove the camera/microphone cable from the LCD cover. Internal microphone Camera/microphone cable Microphone holder Figure 4-74 Removing the internal microphone (2) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-109...
  • Page 340 NOTE: Do not reuse the removed camera module. Be sure to use a new camera module. 3. Stick the glass tapes in place. 4. Set the LCD support plate (up) to the LCD cover and secure it with the following screws. • M2.0×4B ×2 S-THIN HEAD screw 4-110 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 341: Wireless Lan Antenna/Gps Antenna/Wireless Usb Antenna

    Figure 4-75 Removing the wireless LAN antenna/GPS antenna/wireless USB antenna Please prepare required parts in advance, when replacing the following item. Parts List ITEM PART NAME Quantity ITEM No LCD COVER ASSY LCD COVER CAMERA MODULE ASSY 2.4/5.2GHZ ANTENNA QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-111...
  • Page 342 NOTE: Do not reuse the removed wireless LAN antennas/GPS antenna/wireless USB antenna. Be sure to use new wireless LAN antennas/GPS antenna/wireless USB antenna. 2. Arrange the wireless LAN antennas/GPS antenna/wireless USB antenna along/under the guides. 4-112 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 343: Fluorescent Lamp

    - Take care when handling the lamp. Excessive force may break the lamp. - Take care not to dirty or deform the lamp reflector. - Ensure always that the power of the LCD module is turned off before connecting or disconnecting cables and connectors. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-113...
  • Page 344 4-76 to 4-79. Disassembling the fluorescent lamp 1. Remove the PCB cover. CAUTION: Handle with care not to damage COF of S/D. PCB cover Figure 4-76 Replacing Samsung fluorescent lamp (HD+) (1) 4-114 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 345 Figure 4-77 Replacing Samsung fluorescent lamp (HD+) (2) 3. Separate the top chassis and molded frame. CAUTION: Remove in the order of bottom hook and side hooks (left and right). Figure 4-78 Replacing Samsung fluorescent lamp (HD+) (3) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-115...
  • Page 346 1. Install the panel assembly on the backlight unit. 2. Install the top chassis on the molded frame. 3. Stick the yellow tapes, lamp-wire tape and Al tape. 4. Stick the PCB cover. 4-116 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 347 Disassembling the fluorescent lamp 1. Remove the PCB cover. CAUTION: Handle with care not to damage COF of S/D and G/D IC. Gate cover PCB cover Figure 4-80 Replacing Samsung fluorescent lamp (FHD) (1) QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-117...
  • Page 348 Figure 4-81 Replacing Samsung fluorescent lamp (FHD) (2) 3. Separate the top chassis and molded frame. CAUTION: Remove in the order of bottom hook and side hooks (left and right). Figure 4-82 Replacing Samsung fluorescent lamp (FHD) (3) 4-118 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 349 Refer to figures 4-80 to 4-83. 1. Install the panel assembly on the backlight unit. 2. Install the top chassis on the molded frame. 3. Stick yellow tape, lamp-wire tape and Al tape. 4. Stick the PCB cover. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] 4-119...
  • Page 350 4 Replacement Procedures 4.38 Fluorescent lamp 4-120 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 351: Appendices

    Appendices [CONFIDENTIAL]...
  • Page 352 Appendices App-ii [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 353: Appendix A Handling The Lcd Module

    CN2600 PCI-E Mini CARD(W-LAN) interface connector (52-pin) ....C-12 C.11 CN2650 PCI-E Mini CARD(slot2) interface connector (52-pin).......C-13 C.12 CN2700 PCI-E Mini CARD(slot3) interface connector (52-pin).......C-14 C.13 CN2710 RF interface connector (3-pin) .............C-15 C.14 CN2711 RF interface connector (3-pin) .............C-15 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] App-iii...
  • Page 354 CN9700 Left SPEAKER LED interface connector (3-pin)........C-30 C.43 CN9701 Right SPEAKER LED interface connector (3-pin)......C-30 C.44 J4100 LAN interface connector (8-pin)..............C-30 C.45 J9600 IR BRUSTER1 interface connector (6-pin) ..........C-31 C.46 J9601 IR BRUSTER2 interface connector (6-pin) ..........C-31 App-iv [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 355 CN7901 POWER connector (20-pin) ..............C-41 B-CAS board (FTUBC*) C.62 CN2451 BCAS interface connector (10-pin)............C-42 NB9P/9M board (FDUNP*) C.63 CN5960 System board interface connector (230-pin) ........C-43 NB9E board (FDUNE*) C.64 CN5960 System board interface connector (230-pin) ........C-47 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] App-v...

  • Page 356: Appendix E Key Layout

    ..........F-2 RS-232C direct connection cable (9-pin to 25-pin) ..........F-2 LAN Loopback Connector..................F-3 Appendix G BIOS rewrite Procedures ................G-1 Appendix H EC/KBC rewrite Procedures............... H-1 Appendix I Reliability ......................I-1 App-vi [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 357 Finger Sensor board (FDUFS*) connector (back) ...........B-8 Table B-7 SPRINT board (FSPRN*) connector (back) ............B-9 Table B-8 B-CAS board (FTUBC*) connector (back) ...........B-10 Table B.9 NB9P/9M board (FDUNP*) connectors (front) ..........B-11 Table B.10 NB9E board (FDUNE*) connectors (front)...........B-12 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] App-vii...
  • Page 358 Table C-28 LCD interface connector (40-pin) ..............C-22 Table C-29 LCD interface connector (9-pin) ..............C-22 Table C-30 RGF interface connector (15-pin) ..............C-23 Table C-31 HDMI interface connector (19-pin) ...............C-23 Table C-32 GFX interface connector (230-pin) ..............C-24 App-viii [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 359: Table

    Table C-56 System board interface connector (30-pin) ............C-36 Table C-57 FDUFS* interface connector (6-pin)..............C-37 POWER SW Board Table C-58 System board interface connector (3-pin) ............C-38 Finger Sensor Board Table C-59 FDULE* interface connector (6-pin) .............C-39 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL] App-ix...
  • Page 360 Scan codes in Numlock mode ................D-6 Table D-4 Scan codes with Fn key..................D-6 Table D-5 Scan codes in overlay mode ................D-7 Table D-6 No.124 key scan code..................D-7 Table D-7 No.126 key scan code..................D-8 Table I-1 MTBF ........................ I-1 App-x [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 361: Appendix A Handling The Lcd Module

    LCD cover before securing the module with screws. Do not force the module into place, because stress can affect its performance. Also, the panel’s polarized surface is easily scarred, so be careful when handling it. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 362 Do not apply cleanser directly to the panel. 4. If water or other liquid is left on the panel’s surface for a long period, it can change the screen’s tint or stain it. Be sure to quickly wipe off any liquid. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 363 6. CMOS-LSI circuits are used in the module, so guard against damage from electrostatic discharge. Be sure to wear a wrist or ankle ground when handling the module. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 364 8. Do not store the module at temperatures below specifications. Cold can cause the liquid crystals to freeze, lose their elasticity or otherwise suffer damage. 9. Do not disassemble the LCD module. Disassembly can cause malfunctions. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 365 Appendices 10. If you transport the module, do not use packing material that contains epoxy resin (amine) or silicon glue (alcohol or oxide). These materials can release gas that can damage the panel’s polarization. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 366 Appendices Appendix A Handling the LCD Module [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 367: Appendix B Board Layout

    Appendix B Board Layout Appendices Appendix B Board Layout B.1 System board (FDUSY*) Front View Figure B-1 System board (FDUSY*) layout (front) [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 368 DC-IN connector CN9550 Web Camera I/F connector CN9570 FELICA I/F connector: Japanese model only CN9650 Touch Sensor I/F connector CN9700 Left Speaker LED I/F connector CN9701 Right Speaker LED I/F connector IC1600 South Bridge ICH9M [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 369 Appendix B Board Layout Appendices B.2 System board (FDUSY*) Back View DUSY Figure B-2 System board (F *) layout (back) [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 370 CPU FAN I/F connector CN8781 VGA FAN I/F connector CN8810 Battery connector J4100 LAN I/F connector J9600 IR BRUSTER1 I/F connector J9601 IR BRUSTER2 I/F connector IC1050 IC1200 North Bridge IS2140 MEDIA BRIDGE I/F connector [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 371 CN4640 USB (Port8) I/F connector CN4641 USB (Port11) I/F connector CN4642 RTC cell I/F connector CN6510 System board I/F connector CN6511 System board I/F connector DS6320 SPDIF I/F connector J6071 Ext MIC I/F connector [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 372 4 LED board DULE Figure B- *) layout (front/back) 4 LED board DULE Table B- *) connector (back) Number Name CN3340 Touch PAD I/F connector CN9510 System board I/F connector CN9511 FDUFS* I/F connector [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 373 B.5 Power SW board (FDUPW*) View (front) (back) Figure B-5 Power SW board (FDUPW*) layout (front/back) 5 Power SW DUPW back Table B- board (F *) connector ( Number Name System board I/F connector CN3310 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 374 B.6 Finger Sensor board (FDUFS*) View (front) (back) 6 Finger Sensor board DUFS Figure B- *) layout (front/back) 6 Finger Sensor board DUFS Table B- *) connector (back) Number Name CN9541 FDULE* I/F connector [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 375 B.7 SPRINT board (FSPRN*) View (front) (back) SPRN /back Figure B-7 SPRINT board (F *) layout (front SPRINT board FSPRN back Table B-7 *) connector ( Number Name CN7900 Min PCI –Exp I/F connector CN7901 POWER connector [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 376 B.8 B-CAS board (FTUBC*) View: Japanese model only (front) (back) TUBC /back Figure B- B-CAS board (F *) layout (front 8 B-CAS board TUBC back Table B- *) connector ( Number Name CN2451 BCAS I/F connector B-10 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 377 B.9 NB9P/9M board (FDUNP*) View (front) (back) DUNP /back Figure B- NB9P/9M board (F *) layout (front 9 NB9P/9M board FDUNP Front Table B- *) connector ( Number Name CN5960 System board I/F connector [CONFIDENTIAL] B-11 QOSMIO G50 Maintenance Manual (960-683)
  • Page 378 B.10 NB9E board (FDUNE*) View (front) (back) DUNE /back Figure B- NB9E board (F *) layout (front 9 NB9E board FDUNE Front Table B- *) connector ( Number Name CN5960 System board I/F connector B-12 [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 379: Appendix C Pin Assignment

    ADQ01-B1P ADQ04-B1P ADM0-B1P ADQS0-B1N ADQS0-B1P ADQ02-B1P ADQ03-B1P ADQ07-B1P ADQ06-B1P ADQ08-B1P ADQ09-B1P ADQ12-B1P ADQ13-B1P ADM1-B1P ADQS1-B1N XMCK0-B1P ADQS1-B1P XMCK0-B1N ADQ11-B1P ADQ15-B1P ADQ14-B1P ADQ10-B1P ADQ16-B1P ADQ21-B1P ADQ20-B1P ADQ17-B1P ADQS2-B1N TSDIMA-P3N ADQS2-B1P ADM2-B1P ADQ22-B1P ADQ23-B1P ADQ19-B1P ADQ18-B1P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 380 AMA08-B1P AMA06-B1P 1R8-B1V 1R8-B1V AMA05-B1P AMA04-B1P AMA03-B1P AMA02-B1P AMA01-B1P AMA00-B1P 1R8-B1V 1R8-B1V AMA10-B1P ABS1-B1P ABS0-B1P ARAS-B1N AWE-B1N MCS0-B1N 1R8-B1V 1R8-B1V ACAS-B1N MODT0-B1P MCS1-B1N AMA13-B1P 1R8-B1V 1R8-B1V MODT1-B1P ADQ32-B1P ADQ37-B1P ADQ33-B1P ADQ36-B1P ADQS4-B1N ADM4-B1P ADQS4-B1P [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 381 ADQ44-B1P ADQS5-B1N ADM5-B1P ADQS5-B1P ADQ47-B1P ADQ46-B1P ADQ42-B1P ADQ43-B1P ADQ49-B1P ADQ52-B1P ADQ48-B1P ADQ53B1P XMCK1-B1P XMCK1-B1N ADQS6-B1N ADQS6-B1P ADM6-B1P ADQ54-B1P ADQ55-B1P ADQ50-B1P ADQ51-B1P ADQ56-B1P ADQ61-B1P ADQ57-B1P ADQ60-B1P ADM7-B1P ADQS7-B1N ADQS7-B1P ADQ62-B1P ADQ63-B1P ADQ58-B1P ADQ59-B1P SMBDT1-P3P SMBCK1-P3P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 382 BDQ00-B1P BDQ01-B1P BDM0-B1P BDQS0-B1N BDQS0-B1P BDQ03-B1P BDQ02-B1P BDQ06-B1P BDQ07-B1P BDQ14-B1P BDQ15-B1P BDQ10-B1P BDQ11-B1P BDM1-B1P BDQS1-B1N XMCK3-B1P BDQS1-B1P XMCK3-B1N BDQ12-B1P BDQ13-B1P BDQ08-B1P BDQ09-B1P BDQ21-B1P BDQ16-B1P BDQ17-B1P BDQ20-B1P BDQS2-B1N TSDIMB-P3N BDQS2-B1P BDM2-B1P BDQ22-B1P BDQ19-B1P BDQ23-B1P BDQ18-B1P [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 383 BMA08-B1P BMA06-B1P 1R8-B1V 1R8-B1V BMA05-B1P BMA04-B1P BMA03-B1P BMA02-B1P BMA01-B1P BMA00-B1P 1R8-B1V 1R8-B1V BMA10-B1P BBS1-B1P BBS0-B1P BRAS-B1N BWE-B1N MCS2-B1N 1R8-B1V 1R8-B1V BCAS-B1N MODT2-B1P MCS3-B1N BMA13-B1P 1R8-B1V 1R8-B1V MODT3-B1P BDQ37-B1P BDQ36-B1P BDQ32-B1P BDQ33-B1P BDQS4-B1N BDM4-B1P BDQS4-B1P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 384 BDQ44-B1P BDQS5-B1N BDM5-B1P BDQS5-B1P BDQ46-B1P BDQ43-B1P BDQ47-B1P BDQ42-B1P BDQ53-B1P BDQ49-B1P BDQ52-B1P BDQ48-B1P XMCK4-B1P XMCK4-B1N BDQS6-B1N BDQS6-B1P BDM6-B1P BDQ54-B1P BDQ50-B1P BDQ51-B1P BDQ55-B1P BDQ56-B1P BDQ61-B1P BDQ57-B1P BDQ60-B1P BDM7-B1P BDQS7-B1N BDQS7-B1P BDQ62-B1P BDQ63-B1P BDQ59-B1P BDQ58-B1P SMBDT1-P3P SMBCK1-P3P [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 385 Signal Name Pin No. Signal Name ZSATT0-P1P ZSATT0-P1N ZSATR0-P1N ZSATR0-P1P CN1910 ODD SATA interface connector (13-pin) Table C-4 ODD SATA interface connector (23-pin) Pin No. Signal Name Pin No. Signal Name ZSATT1-P1P ZSATT1-P1N ZSATR1-P1N ZSATR1-P1P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 386 Signal Name ZSATT4-P1P ZSATT4-P1N ZSATR4-P1N ZSATR4-P1P CN1930 eSATA/USB(Port6) interface connector (10-pin) Table C-5 2 HDD SATA interface connector (10-pin) Pin No. Signal Name Pin No. Signal Name USB0PS-E5V ZUSBP6-E3N ZUSBP6-E3P ZSATT5-P1P ZSATT5-P1N ZSATR5-P1N ZSATR5-P1P [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 387 Pin No. Signal Name PIRQH-P3N PIRQG-P3N X33TU2-P3P T2IDSL-P3P X33TU1-P3P PCIRS1-E3N T2-P3V PREQ1-P3N PGNT1-P3N AD31-P3P AD29-P3P PGNT2-P3N AD30-P3P AD27-P3P AD25-P3P AD28-P3P PREQ2-P3N AD26-P3P CBE3-P3N AD24-P3P AD23-P3P T1IDSL-P3P AD21-P3P AD22-P3P AD19-P3P AD20-P3P PAR-P3P AD17-P3P AD18-P3P CBE2-P3N AD16-P3P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 388 TRDY-P3N SERR-P3N STOP-P3N PERR-P3N DEVSEL-P3N CBE-P3N AD14-P3P AD15-P3P AD13-P3P AD12-P3P AD11-P3P AD10-P3P AD09-P3P AD08-P3P CBE0-P3N AD07-P3P AD06-P3P AD05-P3P AD04-P3P BCRST-P3N AD02-P3P AD03-P3P AD00-P3P AD01-P3P TMPTUN-GND BCIO-P5P TMPTU1-SXP TMPTU2-SXP CPLGP1-P3P TMPTU1-SXP BCCDET-P3N XBCCLK-P3P BCPWON-P3P C-10 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 389 CN2520 EXPRESS CARD interface connector (26-pin) Table C-9 EXPRESS CARD interface connector (26-pin) Pin No. Signal Name Pin No. Signal Name ZUSBP1-E3N ZUSBP1-E3P CPUSB-E3N PEWAKE-E3N CRDRST-E3N CRDCRQ-E3N CPPE-E3N XPECRD-PON XPECRD-P0P ZERCRD-P1N ZERCRD-P1P ZETCRD-P1N ZETCRD-P1P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-11...
  • Page 390 Table C-10 PCI-E Mini CARD(W-LAN) interface connector (52-pin) Pin No. Signal Name Pin No. Signal Name PEWAKE-E3N WCHDA1-P3P WCHCLK-P3P MN1XRQ-P3N XPEWL-P0N XPEWL-P0P WLRFON-S3N PLTRS3-E3N ZERMN1-P1N ZERMN1-P1P ZETMN1-P1N ZETMN1-P1P ZUSBP4-E3N ZUSBP4-E3P MN1PRS-P3N WMLED-E3P C-12 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 391 C.11 CN2650 PCI-E Mini CARD(slot2) interface connector (52-pin) Table C-11 PCI-E Mini CARD(slot2) interface connector (52-pin) Pin No. Signal Name Pin No. Signal Name PEWAKE-E3N XPEMN2-PON XPEMN2-P0P PLTRS1-E3N ZERMN2-P1N ZERMN2-P1P MN2PRS-P3N ZETMN2-P1N ZETMN2-P1P ZUSB10D-E3N ZUSB10-E3P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-13...
  • Page 392 C.12 CN2700 PCI-E Mini CARD(slot3) interface connector (52-pin) Table C-12 PCI-E Mini CARD(slot3) interface connector (52-pin) Pin No. Signal Name Pin No. Signal Name PEWAKE-E3N XPEMN3-PON XPEMN3-P0P PLTRS1-E3N ZERMN3-P1N ZERMN3-P1P ZETMN3-P1N ZETMN3-P1P ZUSB9-E3N ZUSB9-E3P MN3PRS-P3N C-14 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 393 Table C-13 RF interface connector (3-pin) Pin No. Signal Name Pin No. Signal Name CN2711-1pin C.14 CN2711 RF interface connector (3-pin) Table C-14 RF interface connector (3-pin) Pin No. Signal Name Pin No. Signal Name CN2710-1pin Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-15...
  • Page 394 Table C-15 PCI-E Mini CARD(slot4) interface connector (52-pin) Pin No. Signal Name Pin No. Signal Name PEWAKE-E3N MN4XRQ-P3N XPEMN4-PON XPEMN4-P0P PLTRS2-E3N ZERMN4-P1N ZERMN4-P1P MN4PRS-P3N TSCL-P3P ZETMN4-P1N TSDA-P3P ZETMN4-P1P TMPSPR-GND TMPSPR-SXP SPTHRM-P3N SPCKLOW-P3N SALERT-P3P C-16 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 395 SPURS-P5V SPURS-P5V SPURS-P5V SPURS-P5V SPURS-P5V SPURS-P5V SPURS-P5V SPURS-P5V C.17 CN3010 MDC interface connector (12-pin) Table C-17 MDC interface connector (12-pin) Pin No. Signal Name Pin No. Signal Name AZSDO1-P3P AZSYC1-P3P AZSDI1-E3P AZRST1-E3N XAZBC1-P3P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-17...
  • Page 396 Signal Name Pin No. Signal Name NUMLED-P5N CAPLED-P5N KBRT06-S3N KBRT02-S3N KBRT03-S3N KBRT05-S3N KBRT01-S3N KBRT04-S3N KBRT07-S3N KBRT00-S3N KBSC00-S3N KBSC09-S3N KBSC03-S3N KBSC02-S3N KBSC05-S3N KBSC04-S3N KBSC06-S3N KBSC08-S3N KBSC10-S3N KBSC01-S3N KBSC11-S3N KBSC07-S3N KBSC15-S3N KBSC12-S3N KBSC13-S3N KBSC14-S3N KBSC17-S3N KBSC16-S3N C-18 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 397 Table C-21 Power SW connector (3-pin) Pin No. Signal Name Pin No. Signal Name PWRSW-S3N C.22 CN3330 Volume interface connector (4-pin) Table C-22 Volume interface connector (4-pin) Pin No. Signal Name Pin No. Signal Name ROTENB-S3N ROTENA-S3N Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-19...

  • Page 398: Table

    Pin No. Signal Name WCHDAT-P3P BTRST-S3N BTMDL-P3N WCHCLK-P3P ZUSBP7-E3N ZUSBP7-E3P C.25 CN4612 USB(PORT0) interface connector (10-pin) Table C-25 USB(PORT0) interface connector (10-pin) Pin No. Signal Name Pin No. Signal Name USB0PS-E5V ZUSBP0-E3N ZUSBP0-E3P C-20 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 399 C.27 CN4631 FDUJK* board interface connector (20-pin) Table C-27 FDUJK* board interface connector (20-pin) Pin No. Signal Name Pin No. Signal Name DOUT-P3P SPDJIN-P3N SPD3V-P3V HEADR-PXP HEADL-PXP SPKEN-P4P EMICB-P2V DETCTA-P4N A4R7-P4V EMCINR-PXP EMCINR-PXP Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-21...
  • Page 400 ZTXDB1-PYP ZTXDB2-PYN ZTXDB2-PYP ZTXDB3-PYN ZTXDB3-PYP XTXCKB-PYN XTXCKB-PYP C.29 CN5311 LCD interface connector (9-pin) Table C-29 LCD interface connector (9-pin) Pin No. Signal Name Pin No. Signal Name BRT0-P5P BRT1-P5P BKLPWM-P3P FL-P5V FL-P5V FL-P5V C-22 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 401 HSYNC-P3P VSYNC-P3P CRTSCL-P5P C.31 CN5350 HDMI interface connector (19-pin) Table C-31 HDMI interface connector (19-pin) Pin No. Signal Name Pin No. Signal Name ZHDMT2-PYN ZHDMT1-PYP ZHDMT2-PYN ZHDMT1-PYN ZHDMT0-PYP ZHDMT0-PYN ZHDMCK-PYP ZHDMCK-PYN CECIN-S3N HPDET1-S3P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-23...
  • Page 402 Pin No. Signal Name 1R8-PGV GPON-E3P ZEGC15-P1N ZEGC15-P1P ZECG15-P1N ZECG15-P1P ZEGC14-P1N ZEGC14-P1P ZECG14-P1N ZECG14-P1P ZEGC13-P1N ZEGC13-P1P ZECG13-P1N ZECG13-P1P ZEGC12-P1N ZEGC12-P1P ZECG12-P1N ZECG12-P1P ZEGC11-P1N ZEGC11-P1P ZECG11-P1N ZECG11-P1P ZEGC10-P1N ZEGC10-P1P ZECG10-P1N ZECG10-P1P ZEGC09-P1N ZEGC09-P1P ZECG09-P1N ZECG09-P1P C-24 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 403 ZECG05-P1N ZECG05-P1P ZEGC04-P1N ZEGC04-P1P ZECG04-P1N ZECG04-P1P ZEGC03-P1N ZEGC03-P1P ZECG03-P1N ZECG03-P1P ZEGC02-P1N ZEGC02-P1P ZECG02-P1N ZECG02-P1P ZEGC01-P1N ZEGC01-P1P ZECG01-P1N ZECG01-P1P ZEGC00-P1N ZEGC00-P1P ZECG00-P1N ZECG00-P1P XPEPEG-PON XPEPEG-POP RSTVGA-P3N AZSYCN-P3P XAZBCN-P3P CPUHOT-S5N TSDA-P3P AZRSTN-E3N TSCL-P3P NVARED-PXP GTHERM-P3N Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-25...
  • Page 404 Signal Name NHSYNC-P3P NVAGRN-PXP NVSYNC-P3P NVASCL-P5P NVABLU-PXP NVASDA-P5P AZSDIN-P3P XNLCK1-PYP AZSDON-P3P XNLCK1-PYN ZNLTX7-PYP ZNLTX7-PYN NHDMSD-P3P ZNLTX6-PYP ZNLTX6-PYN ZNLTX5-PYP ZNLTX5-PYN ZNLTX4-PYP ZNLTX4-PYN XNLCK0-PYP XNLCK0-PYN ZNLTX3-PYP ZNLTX3-PYN ZNLTX2-PYP ZNLTX2-PYN ZNLTX1-PYP ZNLTX1-PYN ZNLTX0-PYP ZNLTX0-PYN HPDCEC-P3P ZNDTX3-P3N ZNDTX3-P3P C-26 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)

  • Page 405: Table

    Signal Name Pin No. Signal Name SPOTR-PXN SPOTR-PXP WOOFER-PXP WOOFER-PXN C.34 CN6171 SPEAKER Left interface connector (2-pin) Table C-34 SPEAKER LEFT interface connector (2-pin) Pin No. Signal Name Pin No. Signal Name SPOTL-PXP SPOTL-PXN Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-27...

  • Page 406: Table

    Table C-37 DC-IN connector (5-pin) Pin No. Signal Name Pin No. Signal Name C.38 CN8810 Battery connector (10-pin) Table C-38 Battery connector (10-pin) Pin No. Signal Name Pin No. Signal Name F8810-2pin BTMP1 Q8811-4pin PSCL-S5P PSDA-S5P DBT1OV-S5N C-28 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 407 Pin No. Signal Name ZUSBP5-E3N ZUSBP5-E3P C.41 CN9650 Touch Sensor interface connector (10-pin) Table C-41 Touch Sensor interface connector (6-pin) Pin No. Signal Name Pin No. Signal Name SSCL-S3P TC-S5V SSDA-S3P TC-S5V TC-S5V Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-29...
  • Page 408 Pin No. Signal Name LEDPWR-P5V C.44 J4100 LAN interface connector (8-pin) Table C-44 LAN interface connector (8-pin) Pin No. Signal Name Pin No. Signal Name ZMDI0P-EYP ZMDI0N-EYN ZMDI1P-EYP ZMDI2P-EYP ZMDI2P-EYN ZMDI1P-EYN ZMDI3P-EYP ZMDI3P-EYN C-30 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 409 Pin No. Signal Name Pin No. Signal Name IRBLS1-S3P BIRDT1-P3N C.46 J9601 IR BRUSTER2 interface connector (6-pin) Table C-46 IR BRUSTER2 interface connector (6-pin) Pin No. Signal Name Pin No. Signal Name IRBLS2-S3P BIRDT2-P3N Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-31...
  • Page 410 Signal Name SDCD-P3N SDDAT1-P3P SDDAT0-P3P SDCLK-P3P SDCMD-P3P SDDAT1-P3P SDDAT0-P3P SADAT2-P3P SDCD-P3N SADAT3-P3P SDCLK-P3P SDCMD-P3P SDDAT3-P3P SDDAT2-P3P SDCD-P3N SDWP-P3P SDWP-P3P SMCE-P3N SMCLE-P3P SMALE-P3P SDCMD-P3P SMWP-P3N SDDAT0-P3P SDDAT1-P3P SDDAT2-P3P SDDAT3-P3P SMDAT4-P3P SMDAT5-P3P SMDAT6-P3P SMDAT7-P3P SDWP-P3P C-32 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 411 Pin No. Signal Name Pin No. Signal Name USB1PS-E5V ZUSB11-E3N ZUSB11-E3P C.50 CN4642 RTC cell interface connector (3-pin) Table C-50 RTC cell interface connector (3-pin) Pin No. Signal Name Pin No. Signal Name RTC-R3V Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-33...
  • Page 412 C.52 CN6511 System board interface connector (20-pin) Table C-52 System board interface connector (20-pin) Pin No. Signal Name Pin No. Signal Name DOUT-P3P SPD3V-P3V SPDJIN-P3N HEADR-PXP HEADL-PXP SPKEN-P4P EMICB-P2V DETCTA-P4N A4R7-P4V RTC-R3V EMCINR-PXP EMCINL-PXP C-34 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)

  • Page 413: Table

    Pin No. Signal Name HEADL-PXP HEADR-PXP SPDJIN-P3N DOUT-P3P SPD3V-P3V C.54 J6071 Ext MIC interface connector (5-pin) Table C-54 Ext MIC interface connector (5-pin) Pin No. Signal Name Pin No. Signal Name EMCINL-PXP EMCINR-PXP DETCTA-P4N Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-35...
  • Page 414 Table C-56 System board interface connector (30-pin) Pin No. Signal Name Pin No. Signal Name RCIRRX-S3P RFLED-S5N WMLED-S5N LERNRX-P5N PDLEON-S3P FMLED-P5N RFSWON-S3N RECRED-S5N RECORG-S5N SATLED-P5N BAT1GR-S5N BAT1OR-S5N PWLEGR-S5N PWLEOR-S5N DCINGR-S5N DCINOR-S5N PGSPON-S3N ZUSBFS-E3N ZUSBFS-E3P IPDDAT-P5P IPDCLK-P5P C-36 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 415 Appendix C Pin Assignments Appendices C.57 CN9511 FDUFS* interface connector (6-pin) Table C-57 FDUFS* interface connector (6-pin) Pin No. Signal Name Pin No. Signal Name FGSPON-S3N ZUSBFS-E3N ZUSBFS-E3P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-37...
  • Page 416 Appendices Appendix C Pin Assignments POWER SW board (FDUPW*) C.58 CN3310 System board interface connector (3-pin) Table C-58 System board interface connector (3-pin) Pin No. Signal Name Pin No. Signal Name PWLED-PXP PWRSW-S3N C-38 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 417 Appendix C Pin Assignments Appendices Finger Sensor board (FDUFS*) C.59 CN9541 FDULE* interface connector (6-pin) Table C-59 FDULE* board interface connector (6-pin) Pin No. Signal Name Pin No. Signal Name FGSPON-S3N ZUSBFS-E3N ZUSBFS-E3P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-39...
  • Page 418 Table C-60 Mini PCI-Exp interface connector (52-pin) Pin No. Signal Name Pin No. Signal Name PRSNT1-P3N PRSNT2-P3N XRFCLK-P1N XRFCLK-P1P PLTRST-E3N ZEGC00-P1N ZEGC00-P1P SPSCL-P3P ZECG00-P1N SPSDA-P3P ZECG00-P1P TMPSPR-GND TMPSPR-SXP SPTHRM-P3N SPCKLOW-P3N ALERT-P3P PVON-S5P VRMPGD-P3P C-40 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)

  • Page 419: Table

    Appendix C Pin Assignments Appendices C.61 CN7901 POWER connector (20-pin) Table C-61 POWER connector (20-pin) Pin No. Signal Name Pin No. Signal Name Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-41...
  • Page 420 Appendix C Pin Assignments B-CAS board (FTUBC*):Japanese model Only C.62 CN2451 BCAS interface connector (10-pin) Table C-62 BCAS interface connector (10-pin) Pin No. Signal Name Pin No. Signal Name BCRST-P5N XBCCLK-P5P BCIO-P5P BCCDET-P3N C-42 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 421 PVT-EFV 1R8-P1V PVT-EFV GPON-E3P ZEGC15-P1N PGVGD-P3P ZEGC15-P1P ZECG15-P1N ZECG15-P1P ZEGC14-P1N ZEGC14-P1P ZECG14-P1N ZECG14-P1P ZEGC13-P1N ZEGC13-P1P ZECG13-P1N ZECG13-P1P ZEGC12-P1N ZEGC12-P1P ZECG12-P1N ZECG12-P1P ZEGC11-P1N ZEGC11-P1P ZECG11-P1N ZECG11-P1P ZEGC10-P1N ZEGC10-P1P ZECG10-P1N ZECG10-P1P ZEFGC09-P1N ZEGC01-P1P ZECG09-P1N ZECG09-P1P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-43...
  • Page 422 ZEGC04-P1P ZECG04-P1N ZECG04-P1P ZEGC03-P1N ZEGC03-P1P ZECG03-P1N ZECG03-P1P ZEGC02-P1N ZEGC02-P1P ZECG02-P1N ZECG02-P1P ZEGC01-P1N ZEGC01-P1P ZECG01-P1N ZECG01-P1P ZEGC00-P1N ZEGC00-P1P ZECG00-P1N ZECG00-P1P XPEPEG-P0N XPEPEG-P0P RSTVGA-P3N PVON-S5P AZSTC2-P3P XAZBC2-P3P CPUHOT-S5N TSDA-P3P AZRST2-E3N TSCL-P3P NVARED-PXP GTHERM-P3N HSYNCA-P3P NVAGRN-PXP C-44 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 423 NVBSCL-P5P ZLTX7-PYP NVBSDA-P5P ZLTX7-PYN GACDET-P3P HDMISD-P3P ZLTX6-PYP NVCRED-PXP ZLTX6-PYN NVCGRN-PXP ZLTX5-PYP HSYNCC-P3P ZLTX5-PYN NVCBLU-PXP ZLTX4-PYP VSYNCC-P3P ZLTX4-PYN XLCK0-PYP XLCK0-PYN ZLTX3-PYP ZLTX3-PYN ZLTX2-PYP ZLTX2-PYN ZLTX1-PYP ZLTX1-PYN ZLTX0-PYP ZLTX0-PYN HPDCEC-P3P XDCTX3-PYN XDCTX3-PYP LCDVEN-E5V ZDCTX2-PYN FLPWM-P3P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-45...
  • Page 424 Appendices Appendix C Pin Assignments Table C-63 System board interface connector (230-pin)(4/4) Pin No. Signal Name Pin No. Signal Name ZDCTX2-PYP FLVEN-P3P NVESCL-P3P ZDCTX1-PYN NVESDA-P3P ZDCTX1-PYP ZDCTX0-PYN ZDCTX0-PYP C-46 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 425 PVT-EFV 1R8-P1V PVT-EFV GPON-E3P ZEGC15-P1N PGVGD-P3P ZEGC15-P1P ZECG15-P1N ZECG15-P1P ZEGC14-P1N ZEGC14-P1P ZECG14-P1N ZECG14-P1P ZEGC13-P1N ZEGC13-P1P ZECG13-P1N ZECG13-P1P ZEGC12-P1N ZEGC12-P1P ZECG12-P1N ZECG12-P1P ZEGC11-P1N ZEGC11-P1P ZECG11-P1N ZECG11-P1P ZEGC10-P1N ZEGC10-P1P ZECG10-P1N ZECG10-P1P ZEFGC09-P1N ZEGC01-P1P ZECG09-P1N ZECG09-P1P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-47...
  • Page 426 ZEGC04-P1P ZECG04-P1N ZECG04-P1P ZEGC03-P1N ZEGC03-P1P ZECG03-P1N ZECG03-P1P ZEGC02-P1N ZEGC02-P1P ZECG02-P1N ZECG02-P1P ZEGC01-P1N ZEGC01-P1P ZECG01-P1N ZECG01-P1P ZEGC00-P1N ZEGC00-P1P ZECG00-P1N ZECG00-P1P XPEPEG-P0N XPEPEG-P0P RSTVGA-P3N PVON-S5P AZSTC2-P3P XAZBC2-P3P CPUHOT-S5N TSDA-P3P AZRST2-E3N TSCL-P3P NVARED-PXP GTHERM-P3N HSYNCA-P3P NVAGRN-PXP C-48 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)
  • Page 427 NVASCL-P5P NVABLU-PXP NVASDA-P5P AZSDIH-P3P XLCK1-PYP AZSDO2-P3P XLCK1-PYN ZLTX7-PYP ZLTX7-PYN GACDET-P3P HDMISD-P3P ZLTX6-PYP ZLTX6-PYN ZLTX5-PYP ZLTX5-PYN ZLTX4-PYP ZLTX4-PYN XLCK0-PYP XLCK0-PYN ZLTX3-PYP ZLTX3-PYN ZLTX2-PYP ZLTX2-PYN ZLTX1-PYP ZLTX1-PYN ZLTX0-PYP ZLTX0-PYN HPDCEC-P3P XDCTX3-PYN XDCTX3-PYP LCDVEN-E5V ZDCTX2-PYN FLPWM-P3P Qosmio G50 Maintenance Manual (960-683) [CONFIDENTIAL] C-49...
  • Page 428 Appendices Appendix C Pin Assignments Table C-64 System board interface connector (230-pin)(4/4) Pin No. Signal Name Pin No. Signal Name ZDCTX2-PYP FLVEN-P3P NVESCL-P3P ZDCTX1-PYN NVESDA-P3P ZDCTX1-PYP ZDCTX0-PYN ZDCTX0-PYP C-50 [CONFIDENTIAL] Qosmio G50 Maintenance Manual (960-683)

  • Page 429: Appendix D Keyboard Scan/Character Codes

    Appendix D Keyboard Scan/Character Codes Scan Codes Table D-1 Scan codes (set 1 and set 2) (1/4) Code set 1 Code set 2 Keytop Note Make Break Make Break ‘ ~ 7 & BkSp QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...

  • Page 430: Appendix D Keyboard Scan/Character Codes

    Table D-1 Scan codes (set 1 and set 2) (2/4) Code set 1 Code set 2 Keytop Note Make Break Make Break Caps Lock ‘ “ Enter Shift (L) No.102 , < . > Shift (R) [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 431 Table D-1 Scan codes (set 1 and set 2) (3/4) Code set 1 Code set 2 Keytop Note Make Break Make Break Ctrl Alt (L) Space ALT (R) ← Home ↑ ↓ PgUp PgDn → QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 432 5. * This key corresponds to key No. 42 in a 102-key model. 6. * Refer to Table D-6, No. 124 key scan code. 7. * Refer to Table D-7, No. 126 key scan code. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 433 Shift key, scan codes are changed as listed below: With left Shift With right Shift Set 1 E0 AA __________ E0 B6 E0 2A ___________ E0 36 Set 2 E0 F0 12 ________ E0 F0 59 E0 12 ___________ E0 59 QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 434 AA E0 12 E0 2F E0 F0 2F E0 F0 12 Table D-4 Scan codes with Fn key Code set 1 Code set 2 Keytop Make Break Make Break CTRL LALT ARROW NUMERIC Scrl [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)
  • Page 435 Code set 2 Keytop Make Break Make Break (–) Table D-6 No.124 key scan code Code set 1 Code set 2 Shift Make Break Make Break Prt Sc Common Ctrl + Shift + Alt + QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 436 Table D-7 No.126 key scan code Shift Code set 1 Code set 2 Make Make Pause Common* E1 1D E1 F0 Ctrl* E0 46 7E E0 F0 *: This key generates only make codes. [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 437: Appendix E Key Layout

    Appendix E Key Layout Appendices Appendix E Key Layout US Keyboard Figure E-1 US Keyboard layout UK Keyboard Figure E-2 UK Keyboard layout QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 438 Appendices Appendix E Key Layout [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 439: Appendix F Wiring Diagrams

    VSYNC (14) (15) SDL (15) Figure F-1 RGB Monitor ID Wraparound connector (15PIN to 15PIN) LAN loopback Connector (3) BIDBP (RX+) (1) BIBAP (TX+) (4) BIDBN (RX-) (2) BIDAN (TX-) Figure F-2 LAN loopback connector QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 440 Appendices Appendix F Wiring diagrams [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 441: Appendix Gbios Rewrite Procedures

    3. If you fail to rewrite BIOS, then when you next turn on the power, a message may be displayed that the contents of the BIOS have been erased. In this case, insert the BIOS rewriting disk and the BIOS will be rewritten. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 442 Appendices Appendix G BIOS rewrite procedures [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 443: Appendix Hec/Kbc Rewrite Procedures

    5. Turn on the power while holding down the Tab key. (Keep holding down the key until a beep sounds.) The EC/KBC rewriting starts. 6. When the EC/KBC rewrite is completed, the system is automatically turned off. QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 444 Appendices Appendix H EC/KBC rewrite procedures [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

  • Page 445: Appendix I Reliability

    Reliability Appendix I Reliability The following table shows MTBF (Mean Time Between Failures) in maximum configuration. Table I-1 MTBF Model Time (hours) NB9P/Spurs/TV/Modem model 7151.98h NB9P/Spurs/TV/FM Tuner model 6665.72h GM45/Spurs/ TV/FM Tuner model 6749.41h QOSMIO G50 Maintenance Manual (960-683) [CONFIDENTIAL]...
  • Page 446 Appendices Appendix I Reliability [CONFIDENTIAL] QOSMIO G50 Maintenance Manual (960-683)

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