LG RH-2320 Service Manual
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LG RH-2320 Service Manual

Hdd/dvd recorder
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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CONTENTS
SECTION 1.........SUMMARY
SECTION 2.........CABINET & MAIN CHASSIS
SECTION 3.........ELECTRICAL
SECTION 4.........RS-06A LOADER PART
SECTION 5.........REPLACEMENT PARTS LIST
LGE Internal Use Only

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Summary of Contents for LG RH-2320

  • Page 1 CONTENTS SECTION 1..SUMMARY SECTION 2..CABINET & MAIN CHASSIS SECTION 3..ELECTRICAL SECTION 4..RS-06A LOADER PART SECTION 5..REPLACEMENT PARTS LIST Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 2: Table Of Contents

    • ELECTROSTATICALLY SENSITIVE (ES) DEVICES SERVICE INFORMATION FOR EEPROM IC SETTING ..............1-6 UPGRADE THE MAIN & LOADER PROGRAM .................1-7 SPECIFICATIONS ............................1-8 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 3: New Functions Of Hdd/Dvd Recorder

    WHEN FAST DUBBING FROM DVD TO HDD, ONLY AVAILABLE WHEN COPYING VR MODE DISC(DVD-RW) TO HDD, AND ONLY NORMAL DUBBING AVAILABLE WHEN COPYING VIDEO MODE DISC(DVD+RW/RW, DVD-R) TO HDD. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 4: Product Safety Servicing Guidelines For Hdd/Dvd Recorder Products

    When servicing this product, under no circumstances should the original design be modified or altered without permission from LG Corporation. All components should be replaced only with types identical to those in the original circuit and their physical location, wiring and lead dress must conform to original layout upon completion of repairs.

  • Page 5: Servicing Precautions

    Input terminals, Earphone jacks,etc. tricity sufficient to damage an ES device.) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6: Service Information For Eeprom Ic Setting

    6. To exit from the Option Code menu without Initialize the system. Just turn off the power and turn on again. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 7: Upgrade The Main & Loader Program

    2) After Disc Reading, You can see below screen * OPTIONAL PARTS 1) MAIN ONLY B_E UPGRADE 2) LOADER ONLY LOADER UPGRADE 3) ALL B_E & LOADER UPGRADE Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 8: Specifications

    3V (p-p), Optical connector x 1 Audio output (analog audio) 2Vrms (1kHz, 0dB), 600Ω, RCA jack (L, R) x 2 / SCART x 2 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 9 CABINET & MAIN CHASSIS CONTENTS EXPLODED VIEWS .............................2-2 1. CABINET AND MAIN FRAME SECTION ....................2-2 2. DECK MECHANISM SECTION (RS-06A)....................2-3 3. PACKING ACCESSORY SECTION......................2-4 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Exploded Views

    Key board is array coming timer board. Purchase order board separately supply incomprehensible. Supply is possible in Location No A50 state in exploded views. OPTIONAL PARTS LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 11: Deck Mechanism Section (Rs-06A)

    A002 1025 1038 1432 1041 1026 1017 1036 1432 1433 1013 1011 1016 1432 1020 1015 1012 A46A 1046 1047 1439 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 12: Packing Accessory Section

    900 Remote Control 813 Plug Ass'y 3way 801 Instruction Ass'y 821 SCART Cable 804 Bag 803 Packing 803 Packing 832 Disc 802 Box LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 13 1. WIRING CONNECTION DIAGRAM 1 ....3-28 6. KARAOKE P.C.BOARD ........3-75 2. WIRING CONNECTION DIAGRAM 2 ....3-29 3. WIRING CONNECTION DIAGRAM 3 ....3-30 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 14: Electrical Troubleshooting Guide

    Is the D127 normal? Replace the D127 Is the D126 normal? Replace the D126 Power line of I/O PCB is short LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 15 Check the “PWR CTL ‘H’” Is there about 4V ~ 5V at signal from µ-COM the IC155 Pin 4? Check the IC155 and replace Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 16: Power Supply On I/O Board

    Check the “TIMER_H” Is there about 5V at R170 signal from µ-COM and 0.7V at Q156 base? Check Q156 and replace LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 17 Is there about 5V Check the “TIMER H” at R180 and 0.7V signal from µ-COM at Q152 base? Check Q152 and replace Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 18 Check the “PWR CTL H” Is there about 4V ~ 5V at signal from µ-COM the IC152 Pin 4? Check the IC152 and replace LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 19 Q153 emiter? Check the “STANBY H” Is there about 0V at Q153 base? signal from µ-COM Check Q153 and replace Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 20 Check the “PWR CTL H” Is there about 4V ~ 5V at signal from µ-COM the IC154 Pin 5? Check the IC154 and replace LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 21: System Circuit Part

    4. DISC NOT RECOGNIZED DISC not recognized Check driver power? Check SMPS 5V, 12V Change MEDIA TEST Check ATAPI connector Check loader Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 22: When Playing Disc, No Audio Output

    (SCL, SDA) : L804, L808, L820, L821 : Is there a signal? Check cable connections & TV audio mute. LGE Internal Use Only 3-10 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 23: No Optical/Digital Output

    Check JK803 Pin 2 (5V) Is there a signal? Check JK803 & Check JK802 & optical cable connection RCA cable connection Copyright © 2008 LG Electronics. Inc. All right reserved. 3-11 LGE Internal Use Only Only for training and service purposes...

  • Page 24: No Tuner Audio Output

    Change X901 oscillated? Check IC901 power R906, R909 (SCL/SDA) 3.3V & 1.8V When playing DISC, IC901 defect no audio output LGE Internal Use Only 3-12 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 25: No External Audio Input

    Change X901 oscillated? Check R906, R909 IC901 power (SCL/SDA) 3.3V & 1.8V When playing DISC, IC901 defect no audio output Copyright © 2008 LG Electronics. Inc. All right reserved. 3-13 LGE Internal Use Only Only for training and service purposes...

  • Page 26: No Rgb/Component Video Signal When Play Disc

    Is there a signal ? Pin 31, 32 (SCL, SDA) : Check condition RGB_Sel_Out & Ypbpr_Mute_L Check cable connection Replace IC801 LGE Internal Use Only 3-14 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 27: No Composite/S-Video Signal When Play Disc

    Pin 30 (5, 3V) Pin 31, 32 (SCL, SDA) : (SCART) IC801 Pin 36, 39, : Is there a signal? Check SCART Replace IC801 cable connection Copyright © 2008 LG Electronics. Inc. All right reserved. 3-15 LGE Internal Use Only Only for training and service purposes...

  • Page 28: No Tv, External Input Video Signal

    R909 (SCL/SDA), L917 3.3V & 1.8V (VinCLK) Check no RGB / Component / Composite / IC901 defect S-VIDEO signal when play DISC LGE Internal Use Only 3-16 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 29: No Dv (Ieee1394) Input (Video/Audio) Signal

    Pin 1, 27, 28, 29, 30 : Replace IC1401 Is there a signal? IC1401 Pin 2, 3 : Is there a signal? IC101 defect Copyright © 2008 LG Electronics. Inc. All right reserved. 3-17 LGE Internal Use Only Only for training and service purposes...

  • Page 30: Waveforms

    < Switching waveform of IC101, when power is on > < Both ends waveform of D128, when power is on (feedback 5.3VA) > LGE Internal Use Only 3-18 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 31 < Both ends waveform of D124, when power is on (12VA) > < Both ends waveform of D125, when power is on (5.5VA) > Copyright © 2008 LG Electronics. Inc. All right reserved. 3-19 LGE Internal Use Only Only for training and service purposes...

  • Page 32: System Block

    2. SYSTEM BLOCK Frequency=13.5MHz < Main Clock > Frequency=198MHz < DDR RAM Clock > LGE Internal Use Only 3-20 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 33 < DDR Bank Address > < DDR RAS & CAS > < DDR Write Enable > Copyright © 2008 LG Electronics. Inc. All right reserved. 3-21 LGE Internal Use Only Only for training and service purposes...
  • Page 34 IC1101 < 12C_SDA > < 12C_SCL > LGE Internal Use Only 3-22 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 35: Video Block (Color Bar Input)

    3. VIDEO BLOCK (COLOR BAR INPUT) < CVBS_OUT > < Y_OUT > < C_OUT > < G/Y_OUT > < R/PR_OUT > < B/PR_OUT > Copyright © 2008 LG Electronics. Inc. All right reserved. 3-23 LGE Internal Use Only Only for training and service purposes...

  • Page 36: Audio Block (1Khz Sinewave Input)

    4. AUDIO BLOCK (1kHz SINEWAVE INPUT) < AOUT_FSYNC > < AOUT_SCLK > < AOUT_D0 > < AOUT_MCLK > LGE Internal Use Only 3-24 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 37: Serial Interface Block (Between Main And I/O)

    5. SERIAL INTERFACE BLOCK (BETWEEN MAIN AND I/O) < SIO_SPI_CLK > < SIO_SPI_MOSI > < SIO_SPI_MISO > Copyright © 2008 LG Electronics. Inc. All right reserved. 3-25 LGE Internal Use Only Only for training and service purposes...

  • Page 38: Tuner Block

    6. TUNER BLOCK < SIF > LGE Internal Use Only 3-26 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 39: Hdmi Block

    7. HDMI BLOCK 576i/576p mode : 27MHz 720p/1080i mode : 74.25MHz < VOUT_CLK > < VOUT_CLK > IC1701 < VOUT_CLK > Copyright © 2008 LG Electronics. Inc. All right reserved. 3-27 LGE Internal Use Only Only for training and service purposes...

  • Page 40: Wiring Connection Diagram

    WIRING CONNECTION DIAGRAM 1. WIRING CONNECTION DIAGRAM 1 Half Nim TUNER 40pin 5pin 16pin 16pin 40pin LGE Internal Use Only 3-28 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 41: Wiring Connection Diagram 2

    2. WIRING CONNECTION DIAGRAM 2 Copyright © 2008 LG Electronics. Inc. All right reserved. 3-29 LGE Internal Use Only Only for training and service purposes...

  • Page 42: Wiring Connection Diagram 3

    3. WIRING CONNECTION DIAGRAM 3 LGE Internal Use Only 3-30 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 43: Block Diagrams

    UART2_RX UART2_TX UART2_RTS UART2_CTS SPI_CS INTERFACE INTERFACE SPI_CLK HDMI HDMI SPI_MOSI SPI_MISO /RST_SAA7138 PMV01 1 PMV0 PMV0 INTERFACE INTERFACE LOADER Copyright © 2008 LG Electronics. Inc. All right reserved. 3-31 LGE Internal Use Only Only for training and service purposes...

  • Page 44: Smps Block Diagram

    2. SMPS BLOCK DIAGRAM LGE Internal Use Only 3-32 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 45: Power Main Block Diagram

    3. POWER MAIN BLOCK DIAGRAM Copyright © 2008 LG Electronics. Inc. All right reserved. 3-33 LGE Internal Use Only Only for training and service purposes...

  • Page 46: Power I/O Block Diagram

    4. POWER I/O BLOCK DIAGRAM LGE Internal Use Only 3-34 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 47: A/V Block Diagram

    5. A/V BLOCK DIAGRAM Copyright © 2008 LG Electronics. Inc. All right reserved. 3-35 LGE Internal Use Only Only for training and service purposes...

  • Page 48: Audio Out Block Diagram

    6. AUDIO OUT BLOCK DIAGRAM PVM01 PMV01 PMV01 PVK0 PVK01 CN801 CN801 LGE Internal Use Only 3-36 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 49: Hdmi Block Diagram

    7. HDMI BLOCK DIAGRAM Copyright © 2008 LG Electronics. Inc. All right reserved. 3-37 LGE Internal Use Only Only for training and service purposes...
  • Page 50 MEMO LGE Internal Use Only 3-38 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 51: Circuit Diagrams

    D123 is Defective 5V No Power IC155 is Defective 5V No Power IC156 is Defective RH300'S Switching Error IC102,IC103 are Defective 3-39 3-40 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 52: Smps 2 Circuit Diagram

    2. SMPS 2 CIRCUIT DIAGRAM 3-41 3-42 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 53: Mpeg Circuit Diagram

    3. MPEG CIRCUIT DIAGRAM 3-43 3-44 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 54: Flash/Ddr/Dv Circuit Diagram

    4. FLASH/DDR/DV CIRCUIT DIAGRAM 3-45 3-46 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 55: Atapi, Hdmi & Usb Circuit Diagram

    5. ATAPI, HDMI & USB CIRCUIT DIAGRAM 3-47 3-48 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 56: I/O, Μ-Com Circuit Diagram

    6. I/O, µ-com CIRCUIT DIAGRAM 3-49 3-50 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 57: Decoder & Mic Circuit Diagram

    7. DECODER & MIC CIRCUIT DIAGRAM 3-51 3-52 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 58: Scart/Rca Circuit Diagram

    8. SCART/RCA CIRCUIT DIAGRAM 3-53 3-54 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 59: Hdmi Circuit Diagram

    9. HDMI CIRCUIT DIAGRAM 3-55 3-56 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 60: Timer Circuit Diagram (8 & 9 Tools)

    10. TIMER CIRCUIT DIAGRAM (8 & 9 TOOLS) 3-57 3-58 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 61: Key Circuit Diagram (8 & 9 Tools)

    11. KEY CIRCUIT DIAGRAM (8 & 9 TOOLS) 3-59 3-60 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 62: Circuit Voltage Chart

    0.88V 1.62V 1.62V 1.62V 5.17V 5.17V 5.17V 1.83V 1.83V 1.83V 1.62V 1.62V 1.62V 1.4V 1.4V 1.4V 1.62V 1.62V 1.62V 3-61 3-62 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 63 4.95V 0.01V 4.94V 1.36V C1729 22uF 1.84 1.83 1.82 C906 220uF 6.3V 5.2V 0.03V 5.17V 1.13V 5.17V 5.17V 1.13V 3-63 3-64 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 64: Printed Circuit Board Diagrams

    PRINTED CIRCUIT BOARD DIAGRAMS 1. MAIN P.C.BOARD (TOP VIEW (BOTTOM VIEW 3-65 3-66 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 65: I/O P.c.board

    2. I/O P.C.BOARD (TOP VIEW 3-67 3-68 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 66 2. I/O P.C.BOARD (BOTTOM VIEW 3-69 3-70 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 67: Power P.c.board

    3. POWER P.C.BOARD (TOP VIEW (BOTTOM VIEW 3-71 3-72 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 68: Timer & Key P.c.board

    4. TIMER & KEY P.C.BOARD 4-1. 8 TOOL 4-2. 9 TOOL (TOP VIEW) (BOTTOM VIEW) (TOP VIEW) (BOTTOM VIEW) 3-73 3-74 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 69: Hdmi P.c.board

    5. HDMI P.C.BOARD (TOP VIEW (BOTTOM VIEW 6. KARAOKE P.C.BOARD (TOP VIEW (BOTTOM VIEW 3-75 3-76 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 70 MEMO MEMO 3-77 3-78 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 71 ...........................4-53 CIRCUIT VOLTAGE CHART ........................4-55 PRINTED CIRCUIT BOARD DIAGRAMS ...................4-57 1. MAIN P.C.BOARD (TOP VIEW)......................4-57 2. MAIN P.C.BOARD (BOTTOM VIEW) ....................4-59 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 72: Electrical Troubleshooting Guide

    3.3V? <Reference> 1. 65V (VHALF) : Check pin116 of LIC101 Check the LIC101. 2. 2V (HDVREF) : Check pin80 of LIC101 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 73 Insert DVD+R/RW Disc and check rotation. Does Disc rotate Go to “Recognition fail Case3 continuously and the drive (Blank DVD+R/RW)” recognize the disc? Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 74 Tray drive voltage LPF303 is open, Is Replace the LIC301. output? (LIC301 there Tray drive signal pin14, 15) output? Check the connctor (LPF303) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 75 Replace the LIC101. Is there Sled drive voltage Replace the Sled Motor. output? (LPM302 pin1, 2, 3, 4) Check the Connection LPM302. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 76 • Replace the LIC301. Is there spindle Motor input Replace the Spindle Motor. voltage? (LPM301 pin1, 2, 3) Check the Connection LPM301. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 77 (LIC301 (LIC301 pin17) Replace the LIC101. pin7, 8) Check the connection Replace the LIC301. LPM101 pin5, 6. Replace the pick-up. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 78 Check the Drive IC off. So, please check TE signal during disc (LIC301) and P/U recognition. referring to “Focus actuator operating is abnormal”. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 79 Replace LIC101. waveform (LIC101 pin65) was about 400mV? Check after Go to “Tracking servo is unstable”. replacing LIC201. It is OK? Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 80 Is there WBL Replace LIC201. (LIC101 pin63) (LIC201 pin63) Signal? Signal? Check the connection Replace LIC101. between LIC101 and LIC201. LGE Internal Use Only 4-10 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 81 Finalized disc? If DVD R disc,use new DVD R disc. Go to “Writing part check”. If DVD RW disc,erase the disc. Copyright © 2008 LG Electronics. Inc. All right reserved. 4-11 LGE Internal Use Only Only for training and service purposes...
  • Page 82 Is the written file Eject tray. read normally? Go to “LD CHECK”. Is the re-written file read normally? Check and replace LIC201, LIC101. LGE Internal Use Only 4-12 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 83 Perform 5. Optical Power Setting Check reference voltage. OFF level W1SET level & FPD W2SET level & FPD W3SET level & FPD Copyright © 2008 LG Electronics. Inc. All right reserved. 4-13 LGE Internal Use Only Only for training and service purposes...
  • Page 84 (pin10 of LPM 101) (pin10 of LPM101) Check the input of W1SET. (pin12 of LPM101) Check the input of FPD. (pin123 of LIC101) LGE Internal Use Only 4-14 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 85 (pin19, 20, 21, 22, 23, 24 of LPM101) Check the input of FPD. Check the input of FPD. (pin123 of LIC101) (pin123 of LIC101) Copyright © 2008 LG Electronics. Inc. All right reserved. 4-15 LGE Internal Use Only Only for training and service purposes...

  • Page 86: The Difference Of Dvd-R/Rw, Dvd+R/Rw Discs And Dvd-Rom

    THE DIFFERENCE OF DVD-R/RW, DVD+R/RW DISCS AND DVD-ROM 1. RECORDING LAYER • DVD-ROM (Read Only Disc) 0.4 um • DVD+R/RW Disc LGE Internal Use Only 4-16 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 87: Disc Specification

    2. DISC SPECIFICATION 3. DISC MATERIALS 1) DVD-ROM Copyright © 2008 LG Electronics. Inc. All right reserved. 4-17 LGE Internal Use Only Only for training and service purposes...
  • Page 88 At this time, a durable bit is created as is the case with a CD- ROM. [ Playback ] Signals are read with the differences of the reflection of a laser from pits. LGE Internal Use Only 4-18 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 89 A low-power laser is used for playback. The amount of reflected light depends on the status (amorphous or crystalline) of the recording material. This is detected by an optical sensor. Copyright © 2008 LG Electronics. Inc. All right reserved. 4-19...
  • Page 90 RS-06A uses MP type Write Strategy for DVD R and Type 1 for DVD RW as shown below. LGE Internal Use Only 4-20 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 91: Organization Of The Inner Drive Area, Outer Drive Area, Lead-In Zone And Lead-Out Zone

    4. ORGANIZATION OF THE INNER DRIVE AREA, OUTER DRIVE AREA, LEAD-IN ZONE AND LEAD-OUT ZONE 1) Layout of DVD-ROM disc 2) Layout of DVD+R disc Copyright © 2008 LG Electronics. Inc. All right reserved. 4-21 LGE Internal Use Only Only for training and service purposes...
  • Page 92 3) Layout of DVD+RW disc LGE Internal Use Only 4-22 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 93 4) Layout of DVD-R/RW disc Copyright © 2008 LG Electronics. Inc. All right reserved. 4-23 LGE Internal Use Only Only for training and service purposes...

  • Page 94: Optical Power Setting

    5. When you select ‘Yes’ button, the GUI is cleared and it normally operates. Fig. 1 Fig. 2 Fig. 3 LGE Internal Use Only 4-24 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 95: Manual Optical Power Setting

    Use the ALPC program in Dragon tool for Optical power setting. It is consist of total 4 files. Dragon_JW3P.exe dragon.cfg blue.dat WNASPI32.DLL Four files must exist in same Directory. Copyright © 2008 LG Electronics. Inc. All right reserved. 4-25 LGE Internal Use Only Only for training and service purposes...

  • Page 96: Execute Alpc Program

    3) Set up the target device. Press “ATAPI” button on the main dialog of Dragon tool. And find the target device which is GDA-4164L. LGE Internal Use Only 4-26 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 97 4) If the target device setting is completed, execute the “Setup Laser Power(Manual)” in the “Alpc/Opc” menu. Copyright © 2008 LG Electronics. Inc. All right reserved. 4-27 LGE Internal Use Only Only for training and service purposes...

  • Page 98: Optical Power Setting

    * Look at reference sheet to test Optical Power. ** Power value is mW unit. Value is read power X 100. LGE Internal Use Only 4-28 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 99: Confirm Optical Power Setting Parameter

    - But pick-up LD test is all ok, just adjust optical power setting again. Normal range of ALPC parameter Optical power value which has been saved in the EEPROM Copyright © 2008 LG Electronics. Inc. All right reserved. 4-29 LGE Internal Use Only Only for training and service purposes...

  • Page 100: Attachment. Optical Power Measurement

    5. Write monitoring value x 100. Only an integer. 6. Fit Power Meter (wavelength) value to CD.(generally 780nm) 7. CD LD On. 8. 3 ~ 5 recheck. LGE Internal Use Only 4-30 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 101: Internal Structure Of The Pick-Up

    Vdd(LDD) OSCEN OSCENN Gnd(Temp) Temp Thermist Gnd(OEIC) Disc side OEIC Vc(OEIC) E2+F2 E1+F1 E4+F4 E3+F3 Gnd(OEIC) Vcc(OEIC) GainSw Top View Copyright © 2008 LG Electronics. Inc. All right reserved. 4-31 LGE Internal Use Only Only for training and service purposes...

  • Page 102: Pick Up Pin Assignment

    Power supply for OEIC (+5 V) GainSw OEIC output gain control (High voltage:Low gain , Middle:Middle gain , Low:High gain) LGE Internal Use Only 4-32 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 103: Signal Detection Of The P/U

    Disc. 3) RF Signal ==> (A+B+C+D) This signal is converted to DATA signal in DSP IC (LIC201 : MN103SA6G). Copyright © 2008 LG Electronics. Inc. All right reserved. 4-33 LGE Internal Use Only Only for training and service purposes...

  • Page 104: Description Of Circuit

    This block has four detection paths:All average value path, multi pulse average/peak value detection path, erase/bottom value detection path, space/playback power value detection path. LGE Internal Use Only 4-34 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 105: Focus/Tracking/Sled Servo Circuit

    Detector LIC301 BD7776ARFS LEVEL SHIFT LEVEL SHIFT FDRV PARALLEL DIGITAL TDRV COMPENSATOR STEP2 SLED STEP1 COMPENSATOR Logic SDRV Stepping Motor Copyright © 2008 LG Electronics. Inc. All right reserved. 4-35 LGE Internal Use Only Only for training and service purposes...

  • Page 106: Spindle Servo Circuit

    LIC101 AN22117A Pick-up Wobble Signal WBLIN Generator LIC201 MN103SC7G Spindle Motor SERVO DSP Frequency Controller SPDRV Phase Controller LIC301 BD7776ARFS LGE Internal Use Only 4-36 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 107: Major Ic Internal Block Diagram And Pin Description

    CPCABH TQFP-128-P-1414A LSDAT N.C. VCC4 VHALF CTC2 FEPIDGT/SH6 CTC1 CBDOS CBDOF VCC3 WIDGT/SH4 VREF25 WTGT GND5 VREFPD GND3 OFTR VCC51 Copyright © 2008 LG Electronics. Inc. All right reserved. 4-37 LGE Internal Use Only Only for training and service purposes...
  • Page 108 IREF RFIN2 FLTAMP RFOUT RSEN PI01 PI03 EQOUTA EQOUTB SDAT RREF SEN LSDAT LSENI GCHG PI00 RFIN1 RSDAT PIo2 PI04 LGE Internal Use Only 4-38 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 109 ROPC mark detection sampling signal innput pin (pull-down) PCA average detection, APC space detection/Playback power detection/ Erase detection sample timing signal input pin(pulldown). Copyright © 2008 LG Electronics. Inc. All right reserved. 4-39 LGE Internal Use Only Only for training and service purposes...
  • Page 110 A/D input pin 3 CWBLHPF1 HPF capacitor connection pin for WBLAGC 1. CWBLHPF2 HPF capacitor connection pin for WBLAGC 2. LGE Internal Use Only 4-40 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 111 PCA bottom bold capactior connection pin. VHALF Reference voltage output pin 1/2 VCC (3.3V). CTC2 Floating capacitor connection pin for tracking error binary. Copyright © 2008 LG Electronics. Inc. All right reserved. 4-41 LGE Internal Use Only Only for training and service purposes...
  • Page 112 Ground CMOS output pin 4. I : Input pin O: Output pin I/O : I/O pin PS : Power supply/Ground pin N.C: Non Connection LGE Internal Use Only 4-42 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 113: Lic201 (Mn103Sc7G) : Encoder, Decoder & Dsp Singal Processor

    RSDAT HDD1 ASENV HDD14 LPPS HDD0 VDD12 VDD3 HDD15 DMARQ PWM4 NIOWR NIORD PWM3B PWM3A IORDY NDMACK PLM2B INTRQ PWM2A Copyright © 2008 LG Electronics. Inc. All right reserved. 4-43 LGE Internal Use Only Only for training and service purposes...
  • Page 114 Flash debugger On-Chip 32 bit Debugger control 2 Mbytes Resistor bus General- Watchdog Interrupt Serial Purpose Timer Timer Ports LGE Internal Use Only 4-44 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 115 NIORD HOST ATAPI host read signal IORDY HOST Ready signal to ATAPI host NDMACK HOST ATAPI host DMA acknowledge signal Copyright © 2008 LG Electronics. Inc. All right reserved. 4-45 LGE Internal Use Only Only for training and service purposes...
  • Page 116 Power monitor detector multiplier conversion signal General-purpose I/O (GIO) OSCO X’tal Oscillator output OSCI X’tal Oscillator input (16.9344 MHz) Digital Vss Wobble binary signal LGE Internal Use Only 4-46 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 117 IC Reset input (power on reset) VDD3 Power supply Power supply I/O pad VDD(3.3) General-purpose I/O (GIO/TxD1) FEP serial interface enable Copyright © 2008 LG Electronics. Inc. All right reserved. 4-47 LGE Internal Use Only Only for training and service purposes...
  • Page 118 LDD serial interface data Write WOBBLE sample and hold sampling signal FEPIDGT CAPA punch out signal Servo S/H sample signal General-purpose I/O (GIO/SerialCLK1) LGE Internal Use Only 4-48 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 119 RF differential signal (NEG) EQOUTA RF differential signal (POS) AVDD33DRC Power supply Power supply DRC analog-to-digital converter analog VDD (3.3 V) Copyright © 2008 LG Electronics. Inc. All right reserved. 4-49 LGE Internal Use Only Only for training and service purposes...

  • Page 120: Lic301 (Bd7776Arfs) : Cd-Rom/Dvd-Rom 7Ch Power Driver

    Motor coil input terminal 21 PRTRST Protect input FG signal output 22 PRTFLG Protect flag output SPVM Spindle driver Power supply LGE Internal Use Only 4-50 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 121: Block Diagram

    BLOCK DIAGRAM Copyright © 2008 LG Electronics. Inc. All right reserved. 4-51 LGE Internal Use Only Only for training and service purposes...
  • Page 122 MEMO LGE Internal Use Only 4-52 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 123: Circuit Diagram

    CIRCUIT DIAGRAM 4-53 4-54 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 124: Circuit Voltage Chart

    PULSE 0.00 1.77 pulse 1.20 3.31 PULSE pulse 1.80 pulse 3.33 1.60 PULSE pulse 3.32 pulse 3.33 2.08 PULSE 4-55 4-56 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 125: Printed Circuit Board Diagrams

    PRINTED CIRCUIT BOARD DIAGRAMS 1. MAIN P.C.BOARD (TOP VIEW) 4-57 4-58 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 126: Main P.c.board (Bottom View)

    2. MAIN P.C.BOARD (BOTTOM VIEW) 4-59 4-60 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

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