AOC L22W631

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