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Toshiba SDP1731 Service Manual
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Toshiba SDP1731 Service Manual

Toshiba SDP1731 Service Manual

Dvd and cd player
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SERVI C E MANUAL
CAUTION : Before servicing this chassis, read the "PRODUCT SAFETY SERVICE FOR VIDEO PRODUCTS" section
on page 2 of this manual.
DVD and CD
PLAYER
CONTENTS
SERVICE PRECAUTIONS......................................................2,3
BLOCK DIAGRAMS...................................................................4
TROUBLE SHOOTING...........................................................5,8
BOARD DIAGRAM...............................................................9,10
REPLACEMENT PARTS LIST............................................11,22
MODEL
SDP1731

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Summary of Contents for Toshiba SDP1731

  • Page 1 SERVI C E MANUAL MODEL SDP1731 CAUTION : Before servicing this chassis, read the "PRODUCT SAFETY SERVICE FOR VIDEO PRODUCTS" section on page 2 of this manual. CONTENTS DVD and CD SERVICE PRECAUTIONS............2,3 BLOCK DIAGRAMS..............4 TROUBLE SHOOTING............5,8 PLAYER BOARD DIAGRAM...............9,10...

  • Page 2: Laser Beam Caution Label

    LASER BEAM CAUTION LABEL When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of laser may be received. PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electrocity. Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened.

  • Page 3: Safty Precautions

    SAFTY NOTICE SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Plug the AC line cord directly into a 120V AC outlet (do Measure the AC voltage across the 1500 resistor. not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and AC voltmeter, having 5000 per volt or more sensitivity.
  • Page 4 OVERALL BLOCK DIAGRAM 27MHz UPD5100 HIGH VOLTAGE ASS'Y TFT MONITOR 8M FlashROM 64M SDRAM TC4W53 74HCU04 MX29LV008TTC-70 TFT POWER DC 9V NT56V6620C0T-75S +5V -14.5V +16V 27MHz VIDEO OUT SERVO & DVD PROCESSOR KHM-252 MPEG-2 DECODER RF AMP PU mechanism D2891 &...

  • Page 5: Troubleshooting

    1. Troubleshooting 1. No power when turned on. 2. The initial screen is not displayed on the LCD. 3. The DVD drive does not work. 4. The operation of the DVD player stops at initializing display. 5. Image output stops during the operation. 6.
  • Page 6 1.2 The initial screen is not displayed on the LCD. If the initial screen is not displayed on the LCD, check the following items. (1) Check the LED on the front If the LED does not light, proceed to 1.1. (2) Check the backlight If the backlight does not light up, separate.
  • Page 7 1.3 The DVD drive does not work. When the DVD drive does not work after the power is turned on, check the following items and repair or replace the defective parts. (1) Press the DISC cover switch at the center of the DVD player and turn on the power.
  • Page 8 1.5 Image output stops during the operation. If the image output form the media in the DVD player stops during the operation, replace the DVD drive. 1.6 No sound or abnormal sound comes out from the speakers in the DVD player. If no sound comes out form the speakers in the DVD player, check the following: (1) Check for moving images on the LCD screen Check whether or not the move of image stops in halfway.
  • Page 9 DVD1731-H2-B MAIN PCB BOARD DIAGRAM...
  • Page 10 DVD1731H(PA) HV POWER PCB BOARD DIAGRAM DVD1731T(PA) TFT PCB BOARD DIAGRAM...

  • Page 11: Electrical Parts List

    ELECTRICAL PARTS LIST PART No. PART NAME Q'TY SDP1731 21057 CDQ-4 CHARGE ASS'Y 21116 LI-IONCHP-2 PROTECTOR 21186 D1731 KEY ASS'Y 21265 DVD1731-H2-B MAIN ASS'Y 21267 DVD1731T(PA) TFT ASS'Y 21268 DVD1731H(PA) HV ASS'Y S2706 ICR18650 LITHIUM BATTERY S5006 SPEAKER S8064 KHM-252 LOADING ASS'Y...
  • Page 12 REF No. PART No. PART NAME REF No. PART No. PART NAME DVD1731 MAIN ASS'Y R142 P11015 Resistor chip 15K ¡ RESISTOR R143 P11006 Resistor chip 100 ¡ P11038 Resistor chip 39K R144 P11058 Resistor chip 200K ¡ ¡ P11040 Resistor chip 68K R145 P11008 Resistor chip 470 ¡...
  • Page 13 REF No. PART No. PART NAME REF No. PART No. PART NAME R426 P11000 Resistor chip 0 R487 P11002 Resistor chip 4.7 ¡ ¡ R428 P11013 Resistor chip 10K R488 P11002 Resistor chip 4.7 ¡ ¡ R429 P11035 Resistor chip 20K R489 P11004 Resistor chip 33 ¡...
  • Page 14 REF No. PART No. PART NAME REF No. PART No. PART NAME R544 P11055 Resistor chip 8.2K C141 P30014 Electrolytic CAP 100uF/16V ¡ R545 P11019 Resistor chip 100K C142 P30014 Electrolytic CAP 100uF/16V ¡ R546 P11013 Resistor chip 10K C143 P30014 Electrolytic CAP 100uF/16V ¡...
  • Page 15 REF No. PART No. PART NAME REF No. PART No. PART NAME C317 P30004 Electrolytic CAP 220uF/4V C467 P31002 Electrolytic CAP 10uF/16V(Ta) C318 P30006 Electrolytic CAP 47uF/4V C471 P20051 Capacitor chip 5.1pF C319 P30006 Electrolytic CAP 47uF/4V C472 P20009 Capacitor chip 1000pF C320 P30004 Electrolytic CAP 220uF/4V C473...
  • Page 16 REF No. PART No. PART NAME REF No. PART No. PART NAME C536 P30014 Electrolytic CAP 100uF/16V CB15 P20015 Capacitor chip 0.1uF C537 P20015 Capacitor chip 0.1uF CB16 P20015 Capacitor chip 0.1uF C538 P30014 Electrolytic CAP 100uF/16V CB17 P20015 Capacitor chip 0.1uF C539 P20015 Capacitor chip 0.1uF CB18...
  • Page 17 REF No. PART No. PART NAME REF No. PART No. PART NAME CB64 P20015 Capacitor chip 0.1uF L302 P6808 1.0uH CB65 P20015 Capacitor chip 0.1uF L303 P6808 1.0uH CB47 P20015 Capacitor chip 0.1uF L304 P6681 100uH CB57 P20015 Capacitor chip 0.1uF L406 P6659 Impedance at 100MHz:600...
  • Page 18 REF No. PART No. PART NAME REF No. PART No. PART NAME VD401 P1200 1SS355TE Switch Diode P4592 TL1453CPW VD402 P5714 FMC3AT148 N008 P90090 PQ05DZ11 VD403 P5714 FMC3AT148 N102 P5759 IRF7304 VD404 P5067 KTA1298 N106 P90090 PQ05DZ11 VD406 P5067 KTA1298 N112 P90015 TPS5100IPWR VD407...
  • Page 19 REF No. PART No. PART NAME REF No. PART No. PART NAME P11013 Resistor chip 10K P11000 Resistor chip 0 ¡ ¡ P11000 Resistor chip 0 P11000 Resistor chip 0 ¡ ¡ P11015 Resistor chip 15K P11012 Resistor chip 4.7K ¡...
  • Page 20 REF No. PART No. PART NAME REF No. PART No. PART NAME P20035 Capacitor chip 1uF P20015 Capacitor chip 0.1uF P20035 Capacitor chip 1uF P20012 Capacitor chip 0.01uF P20035 Capacitor chip 1uF P20015 Capacitor chip 0.1uF P20085 Capacitor chip 2.2uF P20015 Capacitor chip 0.1uF P20085 Capacitor chip 2.2uF P20015 Capacitor chip 0.1uF...
  • Page 21 REF No. PART No. PART NAME REF No. PART No. PART NAME P5709 DTC124EUAT106 P20010 Capacitor chip 1500pF VD11 P20012 Capacitor chip 0.01uF P1200 1SS355TE Switch Diode P20043 Capacitor chip 3300pF P90199 MN5814 P20031a GHM1038SL120J3K P90269 TDA4665 P20013 Capacitor chip 0.022uF P90113 PQ1R33 P20021 Capacitor chip 4.7uF P90198 AN2546FH...
  • Page 22 REF No. PART No. PART NAME CON3 P0998 Resistor chip 0 ¡ CAPACITOR P20015 Capacitor chip 0.1uF P20015 Capacitor chip 0.1uF P20009 Capacitor chip 1000pF a3500 CDV-100uF-M-10V POTENTIOMETERS P0619 POZ3AN-1-502N-T TRANSISTOR P5767 IRF5305S P1226 U5FWK2C42 P90103 BQ2057CTSTR P5708 DTA124EUAT106 OTHER a6663 HEC3600-010110 a6663...