Toshiba SD-P2500 - Portable DVD Player Service Manual Download Page 10

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6. POWER SYSTEM DIAGRAMS (1/2)

E+5V

VDD+5V1

VDD+3 (3.3V)

LED

Video Decoder

LCDC

TWA VCC

TWDVCC

IVT VDD

VDD 5V

A12V

LVDS Ctrl

Noise Filter

LCD UNIT

Inverter

IR Module

DVD-Ctrl

SD-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

Audio DAC

AD1959

Audio Switch

V2.5V

VDDP002

VDDPI002

V5V

V+5V

Noise Filter

DC/DC

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

Digital Audio Out

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...

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