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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. Then check whether or not the optical pick-up lens of the DVD drive 
lights. 

CAUTION: Visible laser radiation when open and interlock defeated. Do not stare into 
          Laser beam. 

The optical pick-up lens lights dim: 

    It is caused by deterioration of the optical pick-up lens. Replace the DVD drive. 

The optical pick-up lens does not light: 

    Check the connectors of the DVD-FFC. Also check the connection to the main 
board and to the DVD drive. 

z

Loose connection is found. 
Repair the connection, and then check the operation of the DVD drive again. 

z

The DVD-FFC is broken. 
Replace the DVD-FFC. 

z

Other than the above. 
Replace the DVD drive or the main board. 

(2)  Insert a DVD disk and turn on the power 

The DVD drive does not work: 

The motor of the DVD drive or the main board is defective. Replace the DVD drive 
or the main board. 

The DVD drive works but the initializing operation of the optical pick-up lens 
does not start (the optical pick-up lens operates twice), or abnormal noise 
sound: 

  The DVD drive is defective. Replace the DVD drive. 

1.4  The operation of the DVD player stops at initializing display. 

If the DVD player does not work after the initializing screen is displayed, check the 
indication on the screen. Then repair the defect according to it. 

(1)  Insert a DVD disk and close the DISC cover, and turn on the power. Then check 

the LCD screen or use an external display. 

z

The message “loading” is not displayed or the operation stops at the 
message “Loading”. 

Since the DVD drive or the main board is defective, check in the following order: 

1) DVD 

drive 

2) Main 

board 

z

The message “CHECK DISK” is displayed. 

Check the DVD disk for fingerprints, dirt, etc. 
If the DVD disk is OK, then check the following items: 

1)  Check the DVD-FFC 

If a loose connection, repair the connection. 
If it is damaged, replace it with new one. 

2)  Other than above 

For other cases, replace the unit in the following order: 

z

DVD drive (defective optical pick-up) 

z

Main board 

Summary of Contents for SDP1731

Page 1: ...s chassis read the PRODUCT SAFETY SERVICE FOR VIDEO PRODUCTS section on page 2 of this manual CONTENTS SERVICE PRECAUTIONS 2 3 BLOCK DIAGRAMS 4 TROUBLE SHOOTING 5 8 BOARD DIAGRAM 9 10 DVD and CD PLAYER MODEL SDP1731 REPLACEMENT PARTS LIST 11 22 ...

Page 2: ... it operates properly after replacement if it was subject to electrostatic discharge during replacement its life might be shortened When replacing use a conductive mat soldering iron with ground wire etc to protect the laser diode form damage by static electricity And also the LSI and IC are same as above Soldering iron with ground wire or ceramic type Ground conductive wrist strap for body Conduc...

Page 3: ...xists the fault must be located and corrected Repeat the above test with the DVD VIDEO PLAYER power plug reversed NEVER RETURN A DVD VIDEO PLAYER TO THE CUSTOMER WITHOUT TAKING NECESSARY CORRECTIVE ACTION READING SHOULD NOT EXCEED 0 3V DVD VIDEO PLAYER AC OUTLET AC VOLTMETER Test all exposed metal Voltmeter Hook up for Leakage Current Check 0 15uF 150V AC 1500 10W 5000 per volt or more sensitivity...

Page 4: ... PU mechanism DRIVER BA5954FP RF AMP D2891 8M FlashROM MX29LV008TTC 70 64M SDRAM NT56V6620C0T 75S TC4W53 27MHz AUDIO D A PCM1742 UPD5100 TFT MONITOR AUDIO AMP NJM4558 PHONE AMP NJM4580 SPEAKER AMP D2822 HIGH VOLTAGE ASS Y 74HCU04 27MHz VIDEO OUT AUDIO OUT PHONE OUT SPEAKER LOUT SPEAKER ROUT L R L R R L DRIVER 5V 5V AUDIO 5V 3 3V AUDIO 5V TFT POWER 5V 14 5V 16V S VIDEO OUT DC 9V DC 9V ...

Page 5: ...e If the cable is not the supplied one replace it with the supplied cable and turn on the power again If the power supply cable is good the AC adapter may be defective If the LED does not light after replacing check the following items 2 Check the AC adapter If the AC adapter is not the supplied one replace it with the supplied AC adapter and turn on the power If the AC adapter is good the power s...

Page 6: ...cover and plate of the LCD unit and check the following z Check the connector of the FL harness repair connectors z If the connectors are good replace the FL inverter or the LCD 3 Check the lighting of LCD If the LCD does not light separate the DVD player into the top assembly and bottom assembly and check the LCD harness and check the connectors on the main board If the connector is broken Replac...

Page 7: ...rive or the main board is defective Replace the DVD drive or the main board The DVD drive works but the initializing operation of the optical pick up lens does not start the optical pick up lens operates twice or abnormal noise sound The DVD drive is defective Replace the DVD drive 1 4 The operation of the DVD player stops at initializing display If the DVD player does not work after the initializ...

Page 8: ...es out form the external output If any image or sound is output form the TV connected by the external cable replace the main board or the connector NOTE Before this test make sure the drive works 1 8 No sound comes out form the headphones If no sound comes out form the headphones replace the main board or the connector 1 9 No image or sound is output by the external input If any image or sound is ...

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: ... 20 PIN HARNESS LE160 1 S0578e ADPV18A AC POWER ADAPTER 1 S1593g OWNER MANUAL 1 S06024 RC 1730 REMOTE 1 a7187a LTA070B340A TFT LCD 1 S3181 BATTERY CONNECT ASS Y 1 S3153 RCA CORD VIDEO 1 S3154 RCA CORD AUDIO 1 S3589 SPEAKER CONNECT WIRE 2 S3590 TFT EARTHING WIRE 1 S3545 HV POWER CONNECT WIRE 1 S3431 D5820 LITHIUM BATTERY CATHODE CONNECT WIRE 1 S3592a DVD1731 LITHIUM BATTERY PUTPUT WIRE 1 S3501 FFC ...

Page 12: ...022 Resistor chip 470K R16 P11035 Resistor chip 20K R309 P11118 Resistor chip 75K R17 P11038 Resistor chip 39K R310 P11022 Resistor chip 470K R18 P11034 Resistor chip 18K R311 P11022 Resistor chip 470K R19 P11040 Resistor chip 68K R312 P11004 Resistor chip 33 R20 P11004 Resistor chip 33 R315 P11003 Resistor chip 10 R21 P11004 Resistor chip 33 R319 P11003 Resistor chip 10 R22 P11013 Resistor chip 1...

Page 13: ... 1K R452 P11002 Resistor chip 4 7 R514 P11031 Resistor chip 3 9K R453 P11002 Resistor chip 4 7 R515 P11013 Resistor chip 10K R454 P11013 Resistor chip 10K R516 P11019 Resistor chip 100K R455 P11019 Resistor chip 100K R517 P11013 Resistor chip 10K R456 P11009 Resistor chip 1K R518 P11006 Resistor chip 100 R457 P11023 Resistor chip 1M R519 P11032 Resistor chip 5 1K R458 P11013 Resistor chip 10K R520...

Page 14: ...pF C169 P20015 Capacitor chip 0 1uF C11 P20015 Capacitor chip 0 1uF C173 P20015 Capacitor chip 0 1uF C12 P20035 Capacitor chip 1uF C174 P20027 Capacitor chip 150pF C13 P20035 Capacitor chip 1uF C175 P20015 Capacitor chip 0 1uF C14 P30003 Electrolytic CAP 100uF 6V C176 P20015 Capacitor chip 0 1uF C15 P31002 Electrolytic CAP 10uF 16V Ta C178 P30014 Electrolytic CAP 100uF 16V C16 P20015 Capacitor chi...

Page 15: ...V C433 P20061 Capacitor chip 0 015uF C506 P30006 Electrolytic CAP 47uF 4V C436 P20061 Capacitor chip 0 015uF C507 P30014 Electrolytic CAP 100uF 16V C437 P20009 Capacitor chip 1000pF C508 P30006 Electrolytic CAP 47uF 4V C439 P20009 Capacitor chip 1000pF C509 P30006 Electrolytic CAP 47uF 4V C441 P20027 Capacitor chip 150pF C510 P30002 Electrolytic CAP 47uF 6V C442 P20027 Capacitor chip 150pF C511 a3...

Page 16: ...1uF CB32 P20015 Capacitor chip 0 1uF CB1 P20015 Capacitor chip 0 1uF CB33 P20015 Capacitor chip 0 1uF CB2 P20015 Capacitor chip 0 1uF CB34 P20015 Capacitor chip 0 1uF CB4 P20015 Capacitor chip 0 1uF CB35 P20015 Capacitor chip 0 1uF CB5 P20015 Capacitor chip 0 1uF CB36 P20015 Capacitor chip 0 1uF CB6 P20015 Capacitor chip 0 1uF CB37 P20015 Capacitor chip 0 1uF CB7 P20015 Capacitor chip 0 1uF CB38 P...

Page 17: ...100MHz 600 CB95 P20015 Capacitor chip 0 1uF L504 P6659 Impedance at 100MHz 600 CB96 P20015 Capacitor chip 0 1uF L600 a7369 LGA0307TB 100K CB98 P20015 Capacitor chip 0 1uF FB101 P6659 Impedance at 100MHz 600 FB102 P6659 Impedance at 100MHz 600 EM302 P60006 FK2125T186AL FB103 P6659 Impedance at 100MHz 600ȍ EM401 P60006 FK2125T186AL FB104 P6659 Impedance at 100MHz 600ȍ EM402 P60006 FK2125T186AL EM407...

Page 18: ...503 P4535 CD2822CB VD525 P1200 1SS355TE Switch Diode N508 P4530 NJM4558 VD526 P1200 1SS355TE Switch Diode N509 P90204 D2881 VD535 P5766 STZ6 2NT146 VD536 P5766 STZ6 2NT146 XS1 P60041 53261 0390 3P SOCKET VD537 P5766 STZ6 2NT146 XS401 P60061 53261 0690 6P SOCKET VD538 P5766 STZ6 2NT146 XS402 P6971 FPL0 5B SMT 24 24P SOCKET VD539 P5766 STZ6 2NT146 XS403 P60081 53261 0890 8P SOCKET VD540 P5714 FMC3AT...

Page 19: ...15 Resistor chip 15K R31 P11000 Resistor chip 0 R109 P11059 Resistor chip 330K R34 P11000 Resistor chip 0 R110 P11005 Resistor chip 75 R37 P11000 Resistor chip 0 R112 P11004 Resistor chip 33 R39 P11053 Resistor chip 5 6K R113 P11004 Resistor chip 33 R40 P11053 Resistor chip 5 6K R116 P11012 Resistor chip 4 7K R41 P11050 Resistor chip 560 R120 P11006 Resistor chip 100 R42 P11000 Resistor chip 0 R16...

Page 20: ... P20009 Capacitor chip 1000pF C26 P20015 Capacitor chip 0 1uF C82 P20009 Capacitor chip 1000pF C27 P20091 Capacitor chip 0 02uF C83 P20084 Capacitor chip 0 15uF C28 P20085 Capacitor chip 2 2uF C84 P20084 Capacitor chip 0 15uF C29 P20086 Capacitor chip 3pF C101 P20039 Capacitor chip 82pF C30 P20051 Capacitor chip 5 1pF C113 P20015 Capacitor chip 0 1uF C31 P20015 Capacitor chip 0 1uF C32 P20015 Capa...

Page 21: ...ip 1M Q3 P5749 RK7002T116 R2 P11023 Resistor chip 1M Z1 P1558 UDZSTE 175 6B R3 P11013 Resistor chip 10K Z2 P1558 UDZSTE 175 6B R4 P11051 Resistor chip 1 5K Z3 P1558 UDZSTE 175 6B R5 P11026 Resistor chip 1 2K R6 P11006 Resistor chip 100 F1 a7276 K12 FUSE R7 P11060 Resistor chip 560K CN1 P6981 MOLEX 53261 0490 SOCKET R8 P11209 Resistor chip 43K XS1 P7045 BES 2P R9 P11029 Resistor chip 2 2K R11 P1115...

Page 22: ...5708 DTA124EUAT106 J1 a6663 HEC3600 010110 J2 a6663 HEC3600 010110 LED a1604 LED R1 P11009 Resistor chip 1K R2 P11009 Resistor chip 1K R3 P11009 Resistor chip 1K R4 P11009 Resistor chip 1K R5 P11131 Resistor chip 4 7M C1 P20044 Capacitor chip 0 22uF C2 P20044 Capacitor chip 0 22uF C3 P20044 Capacitor chip 0 22uF IC1 P90046a S8232ABFT VD1 P90094 TPC8207 F1 P60045 FUSE 451005 CAPACITOR POTENTIOMETER...

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