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
Summary of Contents for L19W765
Page 12: ...19 LCD TV AOC L19W765 12 2 3 How to Connect ...
Page 13: ...19 LCD TV AOC L19W765 13 2 4 Front Panel Control Knobs ...
Page 17: ...19 LCD TV AOC L19W765 17 3 Remove the shield 4 Remove the main board power board ...
Page 24: ...19 LCD TV AOC L19W765 24 6 PCB Layout 6 1 Main Board ...
Page 25: ...19 LCD TV AOC L19W765 25 ...
Page 26: ...19 LCD TV AOC L19W765 26 ...
Page 27: ...19 LCD TV AOC L19W765 27 6 2 Power Board ...
Page 28: ...19 LCD TV AOC L19W765 28 ...
Page 29: ...19 LCD TV AOC L19W765 29 ...
Page 30: ...19 LCD TV AOC L19W765 30 6 3 Key Board 6 4 IR Board ...
Page 47: ...19 LCD TV AOC L19W765 47 9 2 Power Board ...
Page 48: ...19 LCD TV AOC L19W765 48 ...