Roadstar DVD-5105, Service Manual

Page: 18 / 50

21
parts or wrong parts, if any, correct.
- Update F/W and confirm for improvement.
- If none of the above steps works, replace MAIN BOARD
TB3 SCART Audio - No waveform (sound) or abnormal waveform (sound)
1. Main Board
- Check if Cable between SCART Board and Main Board is properly plugged, if not,
correct it.
- If none of the above steps works, replace MAIN BOARD or SCART Board.
TB4 SCART Audio (left) - No waveform (sound) or abnormal waveform (sound)
1. Main Board
- Check if Cable between SCART Board and Main Board is properly plugged, if not,
correct it.
- If none of the above steps works, replace MAIN BOARD or SCART Board.
TB5 SCART Audio (right) - No waveform (sound) or abnormal waveform (sound)
1. Main Board
- Check if Cable between SCART Board and Main Board is properly plugged, if not,
correct it.
- If none of the above steps works, replace MAIN BOARD or SCART Board.
T42 Earphone (left) no sound or sound with pause, noises, or interference
1. Main Board
- Check if the 12 pin Cable between Front Board and Main Board is correctly plugged
on the right position; if not, correct it.
- Check U17, U18 and U16 on Main Board for cold welding, missing welding or short
circuit, if any correct it.
- If none of the above steps works, replace Main Board.
2. Front Board
- Remove the top cover by removing the front panel and check if R23 experiences cold
welding, missing welding or missing parts.
- Check EAR_L and EAR_R post parts on Front Board J4 for cold welding, missing
welding, short circuit, interruption, missing parts or wrong parts, if any, correct it.
- If none of the above steps works replace Front Board.
T61 Image does not pause or stop
1. Remote controller
- If the device is running normally, be sure that the remote controller has enough power,
if not, replace the battery.