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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, refer to 1.1.

(2)  Check the back light

If  the back light does not light up, separate the DVD player into the top assembly and bottom
assembly, and check the inverter harness MH94 (Check whether or not the connector side is
broken.), and check the connectors for defects.
a) If the connector harness is broken :

Replace the broken harness.

b)  If the connector harness is not broken :

Remove the LCD cover and plate of the LCD unit and check the following.

  If the FL inverter harness is not inserted completely or disconnected,  reconnect the

harness properly.

  Other than the above:

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 MH96 (Check whether or not the connector side is broken.), and
check the connectors on the main board.
a) If the connector is broken :

Replace the LCD harness or the main board.

b)  If the connector is not broken :

Remove the LCD cover and plate of the LCD unit and check the following items.

c)  Check the connector of the LCD harness connected to the LCD module (check of insertion

with slant or others)

If the LCD harness is not inserted completely or disconnected, reconnect the harness
properly.

d)  Other than the above:

Replace the LCD module or the main board.

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 DISK cover switch (S102) 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 light.

< 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.
Repair the connections and check the operation of the DVD drive again.

Check whether or not the DVD-FFC is broken.

(If the DVD-FFC is broken, replace it.)

Other than the above

Replace the DVD drive or the main board. [Perform pick short of the DVD drive.]

After replacing the DVD drive or the main board, special adjustments in TOSHIBA are
required. If not, readout of DVD or CD media might not function properly.
Insert a DVD disk and turn on the power. Check whether or not the DVD drive works.

The DVD drive does not work.
Adjust the DVD drive. If the drive does not work after the adjustment, the motor portion of
the DVD drive or the main board is defective. Replace it. After replacing the DVD drive or

Summary of Contents for SD-P2500 - Portable DVD Player

Page 1: ...PORTABLE DVD PLAYER SERVICE MANUAL SD P2500 FILE NO 810 200316 PRINTED IN JAPAN July 2003 ...

Page 2: ... AC adapter other than the supplied one is used the power board may be damaged 3 Check the switch buttons Press the POWER button or the PLAY button on the DVD player If the power does not turn on check the following items a Check the connector of the switch in the DVD player If the connection is loose repair the connection b Replace the cover and turn on the power again If the LED does not light a...

Page 3: ...he LCD harness is not inserted completely or disconnected reconnect the harness properly d Other than the above Replace the LCD module or the main board 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 DISK cover switch S102 at the center of the DVD player and turn on the po...

Page 4: ...e DVD FFC is damaged replace it with new one 2 Other than the above For other cases replace the unit in the following order Perform pick short of the DVD drive Replace the DVD drive defective optical pick up Replace the main board defective FFC connector After replacing the DVD drive or the main board special adjustments in TOSHIBA are required If not readout of DVD or CD media might not function ...

Page 5: ...PJ706 1 9 No image or sound is output by external input If any image or sound is output by external input replace the main board or the connector PJ709 1 10 The DVD drive does not operate with the battery 1 Check the operation with the verified battery Install a verified battery and make sure the LED light up orange while the AC adapter is connected When the LED does not light up or blink check th...

Page 6: ...ng from the DVD drive on the edge of the main board as the figure shown below after replacing the DVD drive or the main board If not reassembling can not be performed properly due to interference between parts When replacing PJ705 cut the connector end on the back of the board within 1mm after soldering If not reassembling can not be performed properly due to interference between parts When replac...

Page 7: ...others You can see how to disassemble and reassemble by clicking the icon on the chart Before disassembling take proper measures against electric static Start with removing the battery or disconnecting the AC adapter Please install Apple Quick Time 4 or more When you stop the movie halfway press Esc key 1 Base Assembly Disassembling Reassembling 2 Cover Disassembling Reassembling 3 LCD Assembly Di...

Page 8: ...l of the cable is repeated 3 Check the DVD replay for single layer disk Replay a DVD disk single layer disk and check the output of sound and headphone If pick short of the DVD drive is not removed the DVD disk might not be replayed 4 Check the DVD replay for dual layer disk Replay a DVD disk dual layer disk and check the operation If the DVD drive or the main board is not adjusted after replacing...

Page 9: ...VIDEO Progress OUT HEADPHONE SPEAKER L SPEAKER R SPK HP AMP VIDEO AMP LPF MM1568 SUB MPU TMP87PH47 PS MPU INVERTER LCD Unit 600 x 1024 89 inch LCD DC DC Crw LCDC Video Dec LED 20 Key PUSH SW unit 8MHz IR Module 32MB FLASH ROM MBM29DL32 BE 90 IN 64MB SDRAM HY57V651620 A S LVDS SN75LVDS83 series reg AC ADAPTER Battery LPF Buffer 27MHz CLK Gen RF AMP TA1351 DVD audio DAC ...

Page 10: ...C2612 base PUSH SW UNIT Sub MPU TMP87PH47 12V AC Adapter 7 4V Battery VDD 12V 12V AC Adapter 7 4V Battery DAC12V DC DC DC DC Audio DAC AD1959 Audio Switch V2 5V VDDP002 VDDPI002 V5V V 5V Noise Filter Noise Filter Noise Filter DC DC DC DC 0 Ω DC DC VDD19V VA3V VDD 5V A5V PU Mechanism SD C2612 base Video Amp LPF Audio Amp LPF MPEG2 Decoder ZR36750 32Mb Flash ROM 64Mb SDRAM 8Kb EEPROM 2Kb EEPROM Digi...

Page 11: ...g Circuit M62242 FP Presence Absence of AC Adopter ADPEXIST E 5V1 0 01 to 0 05A VDD 3V 0 to 2A VDD 5V 0 to 2A Power ON OFF Signal PWON Charging Start Signal ON OFF CHG Battery Monitor BATSTS3 Battery Monitor BATSTS2 Battery Monitor BATSTS1 Battery Monitor BATSTS0 Status Change Signal STSCHGINI DAC12V ...

Page 12: ...7 PCB 1 2 Front side PJ802 PJ703 PJ704 PJ705 S102 S101 PJ701 PJ709 F801 ...

Page 13: ...PCB 2 2 Back side PJ401 PJ702 PJ706 F802 ...

Page 14: ...2 40 40 27 25 37 29 37 40 22 40 28 40 20 40 40 31 40 40 44 46 45 15 46 43 40 45 40 39 37 35 51 39 40 37 36 18 40 40 23 10 12 12 7 9 8 6 40 5 52 24 1 40 49 40 40 41 42 41 41 40 49 19 49 41 50 49 4 14 13 13 3 11 2 A B D E C D B A E C 8 CHASSIS ASSEMBLY ...

Page 15: ... AH300307 a7282 BEETLE R A RECEPTACLE 10 AH300309 P7002 BATTERY CONNECTOR 11 AH300310 a7272 HEC4801 POWER JACK 12 AH300311 a7285 HSJ1594 JACK 13 AH300312 P6996 SMD FUSE 14 AH300313 P6978 SD SM CONNECTOR 47 AH300320 b20135 TOSHIBA BADGE ZF01 AH300374 S06054 REMOTE CONTROL ZF10 AH300377 S1598 SD P2500 USERS MANUAL ZF11 AH300378 S1598a SD P2500 SPANISH MANUAL ZF20 AH300373 S3468a AV CABLE ZF21 AH3003...

Page 16: ......

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