AOC 2116Sw, Service Manual, Page: 39 / 58

22” LCD Color Monitor AOC 2116Sw
39
W / LED, No Backlight
Check Q801, Q804, Q811, Q812,
Q802, Q803
Check CN902 pin4, 5 = 12V
Check the adapter and F801
Check ON/OFF signal and the p in 12 of IC801 is 14V
Check main board or change ON/OFF signal
Check the pin5 of IC801 have saw tooth wave
Change IC801
Check Q802, Q803 PIN5, 6, 7, 8 have the
output of square wave at short time.
Check the output of T801, T802 Change T801, T802
Check connecter & lamp
OK
OK
OK
NG
OK
NG
NG
NG
OK
NG
OK
Check the PWM wave from the pin9,10 of IC801
Check IC801
Formatted:
Font color: Red