Trouble Shooting - AOC 913Fw Service Manual

19" LCD Color Monitor

8.2 Trouble Shooting

8.2.1 Main Board
No power
No power
Press power key and look
if the picture is normal
NG
Please reinsert and make sure
the AC of 100-240 is normal
OK
Measure U701 PIN2=1.8V,
U702 PIN2=3.3V
OK
X401 oscillate waveforms
are normal
OK
Replace U408
NG
NG
NG
Replace X401
28
Reinsert or check the
Adapter/Inverter
section
Check CN701 or U701 U702
AOC 913Fw