19’’ LCD TV AOC L19W765
20
3. No display (LED indicator green)
Check the source
OK
Reset source
NG
Check LVDS cable
NG
Reset LVDS cable
OK
Check 12V power supply
NG
Return to “1”
OK
OK
Check U401
NG
Replace U401
OK
Check panel
NG
Replace panel
Check the start voltage of IC801
NG
Check Q801, Q802, Q803, IC801
OK
Check IC801 pin13 output is triangle wave
NG
Check R817, C810
OK
Check IC801 pin1/pin15 output is square wave
NG
Check Q806, Q805
OK
Check PT801, PT802, D801, D802,
D803, D804 D805, D806
NG
Replace PT801 or PT802 or D801 or D02 or
D803 or D804 or D805 or D806
Содержание L19W765
Страница 12: ...19 LCD TV AOC L19W765 12 2 3 How to Connect ...
Страница 13: ...19 LCD TV AOC L19W765 13 2 4 Front Panel Control Knobs ...
Страница 17: ...19 LCD TV AOC L19W765 17 3 Remove the shield 4 Remove the main board power board ...
Страница 18: ...19 LCD TV AOC L19W765 18 6 Remove the key board IR board speaker 7 Relax the clips to remove the bezel ...
Страница 24: ...19 LCD TV AOC L19W765 24 6 PCB Layout 6 1 Main Board ...
Страница 25: ...19 LCD TV AOC L19W765 25 ...
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Страница 27: ...19 LCD TV AOC L19W765 27 6 2 Power Board ...
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Страница 30: ...19 LCD TV AOC L19W765 30 6 3 Key Board 6 4 IR Board ...
Страница 47: ...19 LCD TV AOC L19W765 47 9 2 Power Board ...
Страница 48: ...19 LCD TV AOC L19W765 48 ...
Страница 50: ...19 LCD TV AOC L19W765 50 10 Exploded View ...