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Sharp XL-DV484W Service Manual

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NTSC/PAL
[1]
MANUAL ................................................ . ....... 1-1
[2]
VOLTAGE SELECTION ......................... . ....... 1-1
[3]
PLUG ADAPTOR ................................... . ....... 1-1
[4]
SPECIFICATIONS ................................. . ....... 1-2
[5]
NAMES OF PARTS................................ . ....... 1-3
[1]
ADJUSTMENT ....................................... . ....... 2-1
[2]
TEST MODE .......................................... . ....... 2-3
[3]
Error Message Display Contents ........... . ..... 2-10
[1]
MAIN PARTS ......................................... . ....... 3-1
[2]
DISASSEMBLY ...................................... . ....... 3-3
[1]
BLOCK DIAGRAM ................................. . ....... 4-1
[1]
WAVEFORMS OF DVD CIRCUIT.......... . ....... 5-1
[2]
VOLTAGE............................................... . ....... 5-2
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
DVD MICRO SYSTEM
XL-DV484W
MODEL
XL-DV484W DVD Micro System consisting of XL-DV484W
(main unit), CP-DV484W (front speaker) and CP-SW800V (ac-
tive subwoofer).
LAYOUT
[1]
[2]
[3]
GRAM............................................................6-2
CHAPTER 7. FLOWCHART
[1]
Troubleshooting .............................................7-1
CHAPTER 8. OTHERS
[1]
FUNCTION TABLE OF IC .............................8-1
[2]
FL DISPLAY ..................................................8-8
CHAPTER 9. ACTIVE SUBWOOFER DIAGRAM
[1]
BLOCK DIAGRAM.........................................9-1
[2]
WIRING SIDE OF PWB/SCHEMATIC DIA-
GRAM............................................................9-3
Parts Guide
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
XL-DV484W
No. S6445XLDV484W

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  • Page 1: Table Of Contents

    XL-DV484W SERVICE MANUAL No. S6445XLDV484W DVD MICRO SYSTEM XL-DV484W MODEL XL-DV484W DVD Micro System consisting of XL-DV484W (main unit), CP-DV484W (front speaker) and CP-SW800V (ac- tive subwoofer). NTSC/PAL CONTENTS CHAPTER 1. GENERAL DESCRIPTION CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS SAFETY PRECAUTION FOR SERVICE LAYOUT MANUAL ..........

  • Page 2: Chapter 1. General Description

    XL-DV484W Audio XL-DV484W Service Manual XLDV484W Market CHAPTER 1. GENERAL DESCRIPTION [1] SAFETY PRECAUTION FOR SERVICE MANUAL Precaution to be taken when replacing and servicing the Laser Pickup. The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class 1 Requirements. However, the follow- ing precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.

  • Page 3: Specifications

    XL-DV484W FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. [4] SPECIFICATIONS Tuner General Frequency range FM: 88.0 - 108.0 MHz Power source AC 110/127/220/230-240 V , 50/60 Hz AM: 531 - 1,602 kHz...

  • Page 4: Names Of Parts

    XL-DV484W [5] NAMES OF PARTS Front panel 1. Disc Trays 2. Illumination Light 3. Timer Set Indicator 4. On/Stand-by Button 5. Clock/Timer Button 6. DVD/Video CD/CD/MP3/WMA Track Down or Fast Reverse, Tape Fast Wind, Tuner Preset Down, Time Down Button 7.
  • Page 5 XL-DV484W Rear panel 1. Video Output Socket 2. S-Video Output Socket 3. Cooling Fan 4. AC Voltage Selector 5. Speaker Terminals 6. AC Power Lead 7. Audio Digital Output Socket 8. FM 75 Ohms Aerial Terminal 9. FM Aerial Earth Terminal 10.
  • Page 6 XL-DV484W Remote control 1. Remote Control Transmitter 2. Disc Number Select Buttons 3. DVD Top Menu Button 4. Clock/Timer Button 5. Direct Search Buttons 6. Clear/Display Button 7. Enter Button 8. Cursor Left Button 9. Memory/Dimmer Button 10. Cursor Down Button 11.

  • Page 7: Chapter 2. Adjustments

    XL-DV484W Audio XL-DV484W Service Manual XLDV484W Market CHAPTER 2. ADJUSTMENTS [1] ADJUSTMENT • Tape Speed 1. MECHANISM SECTION Test Tape Adjusting Specified Instrument Point Value Connection • Driving Force Check Normal MTT-111 Variable 3,000 ± 30 Hz Speaker Ter- Torque Meter...
  • Page 8 XL-DV484W 3. DVD SECTION • Adjustment Since this DVD system incorporates the following automatic adjust- ment functions, readjustment is not needed when replacing the pickup. Therefore, different PWBs and pickups can be combined freely. Each time a disc is changed, these adjustments are performed automatically.

  • Page 9: Test Mode

    XL-DV484W [2] TEST MODE 3. DVD TEST Mode 3.1. Outline 1. TEST Mode Functions • To send key codes of the TEST Mode 1 to the DVD unit to start the 1.1. Entering the TEST Mode TEST Mode. • Thereafter the system’s microcomputer only sends key codes to...
  • Page 10 XL-DV484W 2. DVD TEST Mode 1. Press the DVD/CD button on the main unit from the TEST Mode initial condition to enter "DVD TEST". F 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (TEST Mode initial screen) (Press the "1"...
  • Page 11 XL-DV484W Step Execute Mode 1. Press the DVD/CD button on the main unit from the TEST Mode initial condition to enter "DVD TEST". F 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (TEST MODE iitial screen) Press the (3) key.
  • Page 12 XL-DV484W 3.3. List of Keys Used for DVD TEST Mode and Transmit Key Codes to the Unit Button for System Button Code Button Code Remarks Communication HEX Value C-PLAY Play C-PAUSE/STILL Pause/still (Remote Control) C-STOP (Remote control) Stop C-STOP (Main Unit)
  • Page 13 XL-DV484W 4. ROM Rewrite Mode 7. Confirming the version • A few moments after entering the DVD TEST Mode, “DVD ****” 4.1. ROM Rewrite Mode is displayed on the main unit. 1. Creating version upgrade disc (****: 4-digit numeric version code) •...
  • Page 14 XL-DV484W 5. DVD Display Test 5.1. DVD Display Test To display servo adjustment values, error rates, laser current, etc. during DVD playback. 1. Press the DISC 2 button on the main unit from the TEST Mode initial condition. 2. DVD starts up with “DVD” blinking on the FL display.
  • Page 15 XL-DV484W 6. CD-ROM Write Mode 6.1. Outline DVD-ROM can be upgraded from CD-ROM. The write mode is entered from the normal mode. 1. When any CD-ROM for version upgrade DVD is detected, the sta- tus informs that the version upgrade ROM is being read.

  • Page 16: Standard Specification Of Stereo System Error Message Display Contents

    XL-DV484W [3] Standard Specification of Stereo System Error Message Display Contents Error Contents DISPLAY Notes DVD Changer Mechanism 'ER-CD**' (*) 10: CAM SW Detection NG during normal operation Error. 11: CAM SW Detection NG during initialize process 20:TRAY SW Detection NG during normal operation 21:TRAY SW Detection NG during initialize process DVD Communication Error.

  • Page 17: Chapter 3. Mechanical Description

    XL-DV484W Audio XL-DV484W Service Manual XLDV484W Market CHAPTER 3. MECHANICAL DESCRIPTION [1] REMOVING AND REINSTALLING THE Clutch Ass'y MAIN PARTS Record/Playback 1. TAPE MECHANISM SECTION Head Perform steps 1 to 11 of the disassembly method to remove the tape mechanism.(see page 3-3,3-4) 1.1.
  • Page 18 XL-DV484W 2. DVD/CD MECHANISM SECTION Short land 2.1. Replacing the DVD mechanism (See Fig. 1) Circuit open Circuit shorted Before the replacement, unsolder the service DVD pickup short land. 2.2. How to remove DVD/CD Disc (See Fig. 2~6) 1. When DVD/CD is at play position, rotate reduction gear C clock- wise as shown in Figure 2 Until disk tray is at ‘STOCK’...

  • Page 19: Disassembly

    XL-DV484W [2] DISASSEMBLY Cabinet Caution on Disassembly (A1) x1 Front Panel ø3x10mm Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1) Take cassette tape and compact disc out of the unit.
  • Page 20 XL-DV484W Main PWB (G1) x1 (R2) x2 ø3x6mm (G2) x2 ø2x12mm (G2) x2 (R2) x2 ø2x10mm DVD Mechanism (H1) x4 Holder ø4x6mm DVD Changer Unit Power PWB (J1) x1 ø3x6mm Terminal PWB Figure 4 Figure 7 Display PWB (K3) x1...
  • Page 21 XL-DV484W MEMO — — 3 – 5...

  • Page 22: Chapter 4. Diagrams

    XL-DV484W Audio XL-DV484W Service Manual XLDV484W Market CHAPTER 4. DIAGRAMS [1] BLOCK DIAGRAM IC301 TA7358AP FM ANTENNA TERMINAL FM FRONT END FM IF 10.7 MHz ZD351 SO302 B.P.F 5.1V T302 CF303 BF301 X351 CF351 IC303 456 kHz T351 CF352 LA1832S AM IF FM IF DET.
  • Page 23 XL-DV484W FL701 FL DISPLAY 44 45 MOTOR/ SOLENOID DRIVER TAPE Q701,702 MECHANISM Q712~715 ASS'Y +B10 Q719 PHOTO SW601 KARA_LATCH TUN_SM/SPAN SPAN SELECTOR MIC_SW DSA_DATA DSA_ACK REMOTE SENSOR RX701 REMOCON MOT_A+ MOT_B+ +B10 MOT_A- MOT_B- AVDD +B10 MPEG_PWR IC701 MO_SPEED IXA004AW...
  • Page 24 XL-DV484W ADAC_CK ADAC_L IC3801 PCM1748E 768FS D/A CONVERTER ADAC_DA AUDIO DGND IC501 CN3203 IECOUT SPDIF DGND D3.3V DAC1OUT AUDIO DIGITAL DAC4OUT MUTE DVD/CD DAC5OUT DGND DVD_CS PROGRESSIVE S_CLK SO7001 S-VIDEO ASPECT VGND S_DIN Py_OUT Q3100 S_DOUT Pb_OUT AMUTE Pr_OUT VGND...
  • Page 25 XL-DV484W IC3702 A_GND NJM12904 S_5V OPE.AMP. SPIN– SPIN SPIN+ 31-34 IC3704 LA6261 FOCUS/TRACKING VHALF SPIN/SLED DRIVER 9,27,28 M_8V 73,71,70 152,150 A_GND 106,119,138 151,155,159,167 IC3001 DVD MECHANISM IXA464AW D_GND 4,11,16,24,30,43 UNIT ASS'Y 58,69,80,93,99,169 SERVO/SIGNAL 177,183,194,198,206 211,215,221,224,230 CONTROL SPIN– 236,241,245,248,254 VIDEO/AUDIO SPIN+...

  • Page 26: Chapter 5. Circuit Description

    XL-DV484W Audio XL-DV484W Service Manual XLDV484W Market CHAPTER 5. CIRCUIT DESCRIPTION [1] WAVEFORMS OF DVD CIRCUIT DVD_CS IN S_DIN S_D OUT SCLK OUT 5 – 1...

  • Page 27: Voltage

    XL-DV484W [2] VOLTAGE IC601 IC101 ICK1 IC3704 IC3401 Q710 Q906 NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE VOLTAGE NO. VOLTAGE VOLTAGE VOLTAGE 3.5 V 0.81 V 1.2 V 2.30 V 2.6 V 0.58 V 1.0 V 1.2 V 2.2 V 4.37 V...
  • Page 28 XL-DV484W IC3001 IC3504 IC3602 IC3501 VOLTAGE VOLTAGE VOLTAGE VOLTAGE VOLTAGE NO. VOLTAGE VOLTAGE NO. VOLTAGE VOLTAGE 3.5 V 2.2 V 3.5 V 3.4 V 0.4 V 3.5 V 1.7 V 3.5 V 2.8 V 2.5 V 0.5 V 3.4 V 3.5 V...

  • Page 29: Chapter 6. Circuit Schematics And Parts

    XL-DV484W Audio XL-DV484W Service Manual XLDV484W Market CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT [1] NOTES ON SCHEMATIC DIAGRAM • Resistor: • The indicated voltage in each section is the one measured by Digi- tal Multimeter between such a section and the chassis with no sig- To differentiate the units of resistors, such symbol as K and M are nal given.

  • Page 30: Wiring Side Of Pwb/Schematic Diagram

    XL-DV484W [3] WIRING SIDE OF PWB/SCHEMATIC DIAGRAM MAIN PWB-A1(1/2) FM SIGNAL R601 CD/DVD AUDIO SIGNAL R602 MIC SIGNAL IC601 PLAYBACK SIGNAL LC75341 AUX SIGNAL C653 AUDIO PROCESSOR 220P RECORD SIGNAL C609 R605 1/50 VREF INTERFACE – + R613 LOUT ROUT...
  • Page 31 XL-DV484W C653 C602 C601 220P CESSOR 0.022 220/16 R603 R693 JK690 C603 VREF 22/16 – + L-CH C610 R604 C608 R691 C691 1/50 3.9K 390P 0.15 ROUT VIDEO/AUX R690 C690 R606 3.9K 390P C606 RBASS R-CH 4.7K 0.15 R692 C612 0.0022...
  • Page 32 XL-DV484W FM SIGNAL IC901 L-CH R-CH STK432-070 (2Ch) (50 watts/Ch) POWER AMP. C908 470P R925 C907 470P C913 100/63 R903 R921 (1/2 100(1/4W) –B L901 0.29µH R914 R907 R909 R913 (1W) Q903 D907 R935 KTC3875 GR DS1SS133 D906 (1W) DS1SS133...
  • Page 33 XL-DV484W MAIN PWB-A1(2/2) M971(202-3) FAN MOTOR Q906 CNP971 KTC3203 Y CNS971 R951 R949 R958 D912 JACK PWB-B4 (1/2W) DS1SS133 R942 R960 (1/2W) 3.3K R957 R945 JK701 R944 2.2K CNP708 FW901 HEADPHONES 2.2K (1/2W) R943 M_+13.0V (1/2W) SP_RLY L_OUT R_CH L_CH...

  • Page 34: Fl Display

    XL-DV484W DISPLAY PWB-B1 R756 FL701 NA-11SS55-1 FL DISPLAY R574 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9...
  • Page 35 XL-DV484W CNP701A DVDPROT DVDFUNC MIC_SWITCH KARA_LATCH TUN_SM/SPAN UNSW5.6 P_IN SP_RLY SP_DET 12 11 10 9 +B_PROTECT R795 D_GND S_MUTE T_BIAS CNP701B C700 REC/PLAY 1/50 6-3 11 - F –20dB TO MAIN PWB M_+13V SW_5V C701 1000/6.3 A_+10V –VF R700 –20dBATT...
  • Page 36 XL-DV484W DVD PWB-D(1/3) R3401 R3403 C3401 C3406 C3402 R3402 R3404 IC3503 TCLV573T R3522 R3523 8 bit LATCH IC 4.7K 2.2K Q3501 11 12 13 14 15 16 17 18 19 20 2SB709 AR TP_33M C3504 C3602 R3601 IC3601 BU2363FV CLOCK...
  • Page 37 XL-DV484W R3423 R3411 R3425 C3409 R3413 IC3401 IX0614AW (HY57V643220CT-7) 64M SD-RAM FB3401 C3412 NCSM C3408 NRAS NCAS MDQ[0-31] R3415 R3426 MA[0-11] R3424 DQM[0-3] BA[0-1] NEXWE NEXWE NEXCE NEXOE NEXOE FROM_RESET RXD_CTL FADT[0-20] CLK33M FSSEL TP_768FS 768FS CLK54M C3602 R3547 FB3603 R3548 D_3.3V...
  • Page 38 XL-DV484W DVD PWB-D(2/3) VIDEO SIGNAL PICKUP RF SIGNAL VIDEO C SIGNAL DIGITAL(DVD/CD) SIGNAL VIDEO Y SIGNAL CD/DVD AUDIO SIGNAL C3026 820P C3031 0.001 C3027 0.001 C3032 C3034 0.001 0.0015 R3088 C3033 0.001 R3027 C3035 NCSM C3036 0.01 NRAS C3037 NCAS...
  • Page 39 XL-DV484W R3110 TP78 TP3002_A C3108 C_OUT DAC5OUT (CH) R3117 Q3102 R3206 TP63 KTA1298 Y L3102 R3115 C3109 2.2µH R3109 VGND TP77 TP3001_A CN3201 V_OUT DAC4OUT C3110 (CH) R3207 R3118 R3133 TP3002_A TP3002 C_OUT TP64 Q3101 KTA1298 Y (1%) R3134 TP3003_A...
  • Page 40 XL-DV484W TP_FG1 R3727 TP99 R3728 1.8K 470K R3729 R3726 C3708 8.2K R3730 TP_SL SLDDRV TP100 TP101 C3703 IC3702 NJM12904 OPE.AMP. R3733 R3701 TP103 R3704 TP_VREF R3703 R3702 C3706 TP104 V_MUTE DGND TP131 M_8V MGND AGND A_3.3V S_5V FCSIN TRKIN IN_SW...

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