Troubleshooting - Toshiba SD-P2500 Service Manual

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 comes out from the headphones
9. No image or sound is output by external input
10. The DVD drive does not operate with the battery
11. The SD card or SmartMedia is not read correctly
1.1 No power when turned on
When the power is turned on, and the front panel does not light green, check the following items
and repair the defective parts.
(1) Check the power supply cable
If the cable is not the supplied one, replace it with the supplied cable and turn on the power
again.
If the LED does not light after replacing, check the following items.
(If a cable other than the supplied one is used, the AC adapter may be damaged.)
(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 again.
If the LED does not light after replacing, check the following items.
(If the 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 after replacing, check the following items.)
(4) Check the power supply harness (MH95)
Check the connection of the 4-pin harness between the power IF board and the main board.
If the connection is loose, repair the connection. Then turn on the power again.
If the LED does not light after replacing, check the following items.
(5) Replace the power supply IF board
Check the soldered connection for the AC adapter. If a bad or poor solder connection is found,
replace the power supply IF board or PJ 801. (The connector, which is on the power board)
If the LED does not light after replacing, check the following items.
(6) Replace the fuse
Replace F801 and F802 on the main board.
If the LED does not light after replacing, check the following items.
(7) Other than the above
Replace the main board.
(Replace the main board, for the trouble could be due to the damage on 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.