Toshiba SD-P2500 - Portable DVD Player Service Manual

Text of Toshiba SD-P2500 - Portable DVD Player User Guide:

• 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. No sound or abnormal sound comes out from the speakers in the DVD player 7. No image or sound comes out from the external output 8. No sound

• Toshiba SD-P2500 - Portable DVD Player, 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 inverte

• Toshiba SD-P2500 - Portable DVD Player, the main board, special adjustments in TOSHIBA are required. If not, readout of DVD or CD media might not function properly. After the adjustment, the DVD drive works bur the initial operation of pick-up (two pick-ups) is not performed, or abnormal sound comes out, the DVD drive is defective. Replace the DVD drive. After replacing the DVD drive, special adjustments in TOSHIBA are required. If not, readout of DVD or CD media might not function properly. 1.4 The operation of the DVD player stops at initializing display If the DVD does not work after the initializing screen is displayed, check the indication on the screen. Then repair the defect

• Toshiba SD-P2500 - Portable DVD Player, connection of the speaker harness to the main board. If a bad connection, repair the connection. Other than the above, disassemble the LCD unit and replace the speakers or the main board. After replacing the main board, special adjustments in TOSHIBA are required. If not, readout of DVD or CD media might not function properly. 1.7 No image or sound comes out from the external output If any image or sound is output from the TV connected by the external output cable, replace the main board or the connector (PJ701, PJ703, PJ704, PJ705 and PJ709.) When replacing PJ705, cut the connector end on the back of the bo

• Toshiba SD-P2500 - Portable DVD Player, 2. Caution in Replacing Parts Check whether or not the DVD drive, 42-pin FFC and the main board are connected properly after replacing the DVD drive or the main board. Then, remove the pick protective solder (two points.) Before replacing the DVD drive or the main board, be sure to solder on the DVD drive to prevent damage by static electricity. Pick protective solder Solder the harness connecting 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.

• Toshiba SD-P2500 - Portable DVD Player, 3. Disassembling and Reassembling Procedure This section explains how to disassemble SD-P2500, replace parts and reassemble. It may not be necessary to remove all the parts in order to replace one. The chart below is a guide to which parts need to be removed in order to remove 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 Disassem

• Toshiba SD-P2500 - Portable DVD Player, 4. Inspection after Disassembling and Reassembling Note: Be careful not to make any scratches and dirt while you are working. 1. Check the power-on function Press the power switch and make sure that the power is turned on. 2. Check the switches Press each switch and make sure the switch is functioning properly as described in User’s Manual. Check all of the switches. Make sure the switch unit and main board are connected properly. The switch unit might be broken if the cable is inserted with slant or insertion/withdrawal 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 pi

• 5. BLOCK DIAGRAM Drive Unit Drive MPU KZ63F49 DSP/ ATAPI IF TC9425F AV DECODER ZR36750 8Kb EEPROM 2Kb EEPROM DA-OUT DA-OUT AV-OUT c.VIDEO SmartMedia/ SD card slot AV-IN S.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 uni

• Toshiba SD-P2500 - Portable DVD Player, 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 SW A12V LVDS Ctrl Noise Filter Noise Filter Noise Filter LCD UNIT Inverter SW SW SW 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 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 Digital Audio Out

• Toshiba SD-P2500 - Portable DVD Player, POWER SYSTEM DIAGRAMS (2/2) AC Adapter 12V3A REG DC/DC (MAX 1634) SW SW SW SW Battery 6 to 8.4V Charging 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

• Toshiba SD-P2500 - Portable DVD Player, 47 48 38 17 48 38 34 34 34 40 40 21 16 40 40 30 32 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

• Toshiba SD-P2500 - Portable DVD Player, 9. PARTS LIST Location No. TOSHIBA Part No. Vendor's Part No. Description 1 AH300300 21195 MAIN-PCB 2 AH300301 S3565 POWER-PCB(MH74) D AH300302 S3557 POWER-WIRE(MH95) 4 AH300303 a7314 HEADPHONE JACK 5 AH300304 a7315 PUSH SWITCH(S101) 6 AH300305 P6983 PUSH SWITCH(S102) 7 AH300306 P6997 MINI JACK FIBER 8 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 S15

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