22’’ LCD TV AOC L22W631
20
2. Can not start (LED indicator green)
Check CN801~CN804 connected ok?
Please connect them ok.
Check PT801/PT802 output circuit.
Check CN902 PIN3/4=5V&PIN1/2=12V?
Return
“1”
NG
OK
Check IC801 PIN5=5V?
OK
Check IC801 pin11/pin12/pin19/pin20
output is PWM?
Check PT801/PT802 output voltage is
OK?
Check and Debug IC801 fail or the circuit
around IC801
NG
NG
Check and Debug IC801 output circuit.
OK
Check and Debug Q804/Q802/Q803 circuit
NG
NG
OK
OK
Содержание L22W631
Страница 17: ...22 LCD TV AOC L22W631 17 4 Remove the shield 5 Remove the main board power board ...
Страница 18: ...22 LCD TV AOC L22W631 18 6 Remove the key board IR board speaker 7 Relax the clips to remove the bezel ...
Страница 25: ...22 LCD TV AOC L22W631 25 6 PCB Layout 6 1 Main Board ...
Страница 26: ...22 LCD TV AOC L22W631 26 ...
Страница 27: ...22 LCD TV AOC L22W631 27 ...
Страница 28: ...22 LCD TV AOC L22W631 28 6 2 Power Board ...
Страница 29: ...22 LCD TV AOC L22W631 29 ...
Страница 30: ...22 LCD TV AOC L22W631 30 6 3 Tuner Board 6 4 IR Board ...
Страница 53: ...22 LCD TV AOC L22W631 53 10 Exploded View ...