22’’ LCD TV AOC L22W765
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 Q802, Q804, Q803, IC801
OK
Check IC801 pin18 output is triangle wave
NG
Check R821, C821
OK
Check IC801 pin11, 12/pin19, 20 output is square wave
NG
Check IC801
OK
Check PT801, PT802, Q801, Q805,
Q811, Q812
NG
Replace PT801, PT802, Q801, Q805, Q811,
Q812
Содержание L22W765
Страница 12: ...22 LCD TV AOC L22W765 12 2 3 How to Connect ...
Страница 13: ...22 LCD TV AOC L22W765 13 2 4 Front Panel Control Knobs ...
Страница 17: ...22 LCD TV AOC L22W765 17 3 Remove the shield 4 Remove the main board power board ...
Страница 18: ...22 LCD TV AOC L22W765 18 6 Remove the key board IR board speaker 7 Relax the clips to remove the bezel ...
Страница 24: ...22 LCD TV AOC L22W765 24 6 PCB Layout 6 1 Main Board ...
Страница 25: ...22 LCD TV AOC L22W765 25 ...
Страница 26: ...22 LCD TV AOC L22W765 26 ...
Страница 27: ...22 LCD TV AOC L22W765 27 6 2 Power Board ...
Страница 28: ...22 LCD TV AOC L22W765 28 ...
Страница 29: ...22 LCD TV AOC L22W765 29 6 3 Key Board 6 4 IR Board ...
Страница 49: ...22 LCD TV AOC L22W765 49 10 Exploded View ...