22" LCD Color Monitor ASI DW22MBD
30
8.2 Trouble Shooting
8.2.1 Main Board
No Power
No power
Press power key and look
if the picture is normal
Please reinsert and make sure
the AC of 100-240 is normal
Measure U701 PIN2=1.8V
U702 PIN2=3.3V
Reinsert or check the
Adapter/Inverter section
Measure X401 oscillate
waveforms are normal
Check CN701 or replace
U701, U702
Replace U401
Replace X401
OK
OK
OK
NG
NG
NG
NG
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