HP w1707 - Optimizing Analog Video; Power-Saver Feature

17" LCD Color Monitor HP W1707
34
2. W/LED No Backlight
Check F801=12V
NG
OK
Check CN902 and adapter
Check ON/OFF signal
Check Interface board or main board
NG
OK
Check IC801 pin2=5V ?
NG
OK
Check ON/OFF signal
Check IC801 PIN9,10 have the output of square wave at short time
NG
OK
Change IC801
Check the input of Q802,
NG
OK
Change Q802,
Q801,Q804,Q811,Q812
Check the output of T801
Check connecter & lamp
OK
NG
Change T801