Trouble Shooting - AOC 2210S Service Manual

22" LCD Color Monitor

8.2 Trouble Shooting

8.2.1 Main Board
Press power key and look if
the picture is normal
Please reinsert and make sure
the AC of 100-240 is normal
Measure U702 PIN2=3.3V
D701 (-) =1.8V
X401 oscillate waveforms
are normal
No power
NG
NG
OK
OK
NG
OK
Replace U401
30
Reinsert or check the
Adapter/Inverter
section
NG
Check CN701 or replace
U702 Q702 or D701
Replace X401
AOC 2210S