The unit does not power ON.
- Check whether there is a fuse in the filter box of power line or whether the fuse has been blown
- If the unit can not be powered on yet, change the power line
- If the unit still can not be powered on, you should check whether the reset button is pushed down by the front panel
- If the unit can not be powered on yet after the above operation, you should change the main board part.
No Display
- Check whether the connection of video output is right.
- If there is no display yet, change the video output line.
- If there is no display yet, change the main board part.
- If there is no display after the above operation, you should change the video driver board part.
Unit Shut-down automatically.
- Check whether the power supply is accord with the specification.
- Check whether the fuse in the filter box of the power line has been blown.
- Check whether the ACC is connected to the high level (The ACC is connected to the battery generally.
- If the trouble is still not solved yet, check the connection between the front panel and the main board. If necessary, change the connector.
- If the unit shuts down automatically yet after the above operation, you should change the main board part.
No Audio Output
- Check whether the MUTE key is pressed.
- Check whether the Fast Forward key or the Fast backward key is pressed.
- Check whether now playing has audio.
- Change the audio output line.
- If there is no audio output yet, change the main board part.
- If the trouble is not solved yet after the above operation, change the loader part.
No AUX-IN function
- Check whether the AUX-IN input line is available.
- If the AUX-IN function is void yet, change the main board part.
- Check whether the power supply is turned on.
- Check whether the power socket of the fan is connected firmly.
- Change a good fan.
- If the fan cannot turn yet after the above operation, change the main board.
- Check whether the video output of rear zone is normal.
- If the video output of rear zone is normal, that is to say the decode works normally, and you should check the connection between the main board and the TFT unit.
- If the video output of rear zone is abnormal, change the main board part.
- If the colour of TFT is abnormal yet after the above operation, change the video driver board part.
Only a White Screen
- Check the connection between the loader and the main board, the main board and the power supply board of TFT, the power supply board of TFT and the TFT.
- If the trouble is still not solved, change the power supply board of TFT.
- If the trouble is still not solved after the above operation, change the Display part.
No display. Black Screen
- Check the connection between the loader and the main board, the main board and the power supply board of TFT, the power supply board of TFT and the TFT.
- Check whether the background lights are illumed. If not, change the CCFL board.
- If there is no display in the TFT, change the display part.
- If there is still no display in the TFT after the above operation, change the main board part.
Blue Screen
- Check whether the video output of rear zone is normal.
- Check whether the source can normally change. And have sound output.
- If yes,check the reverse detect line.
- If not, change the main board part.
- If not yet, change the video driver board part.
Mute Icon Display
- Check whether there is any audio output.
- If the audio output is normal, change the main board part. If the trouble is still not solved, change the display part.
- If the audio output is abnormal, change the main board part. If the trouble is still not solved, change the loader part.
Beeper function failure
- Check whether the beeper has turn off in the set-up option.
- Change the beeper.
- If the trouble is not solved yet, change the main board part.
- Check whether the key in the front panel is available.
- Check the connection between the front panel and the main board. If necessary, change the FFC connector.
- If the key in the front panel is void, change the front panel part.
- Check whether the key in the front panel is valid.
- If the key in the front panel is valid, that is to say the main board works normally. Check whether the battery of the remote controller is available or change another one good.
- If the key in the front panel is void, you should check the connection between the front panel and the main board. If necessary, change the FFC connector.
- If the trouble is still not solved yet, change the front panel.
- If the trouble is still not solved yet, change the main board part.
No Display in LCD
- Make sure the TFT unit is closed.
- If there is no display in the LCD also, you should change the LCD board.
Abnormal display in LCD
- Check the connection between the main board and keypad.
- If the display of LCD is abnormal, you should change the LCD board.
No Volume Display in the TFT
- Check whether the volume knob is available.
- Check whether there is volume display in the TFT using the remoter controller to adjust the volume.
- If there is volume display in the TFT using the remoter controller to adjust the volume, that is to say the display part and the main board part work normally, you should change the front panel part.
- If there is no volume display in the TFT using the remoter controller to adjust the volume, change the main board part.
- If the trouble is still not solved yet, change the display part.
Playback picture is not good
- Check whether the disc is dirty, scratched or deformed.
- Check whether the lens of pick-up is dirty and clean it.
- If the picture of playback is not fluent yet, you should change the loader part.
Cannot insert disc
- Check whether there is another disc in the unit.
- Check the connection between the loader part and the main board part. If necessary, change the connector.
- If the trouble still exists, change the loader part.
- If the trouble is still not solved after the above operation, change the main board part.
Cannot Eject Disc
- Check the connection between the front panel and the main board.
- Check the connection between the main board and the loader.
- If the trouble is still not be solved, change the loader.
- If the trouble is still not be solved after changing the loader, change the main board.
Disc Ejects Automatically
- Check the connection between the loader and the main board.
- If the trouble still exists, change the loader.
- If the trouble is not solved yet after changing the loader, you should change the main board.
TV function failure
- Check whether the connection is right.
- The TV/NAVI function is void yet, change the main board part.
Fails to Load
- Check whether the disc you want playback is accord with the specification
- Check the connection between the pick-up mechanism and the Servo & MPEG board. If necessary, change the loader part.
