17" LCD Color Monitor
8.2 Trouble Shooting
8.2.1 Main Board
No power
Downloaded from
www.Manualslib.com
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 U702 PIN2=3.3V
OK
X401 oscillate waveforms
are normal
OK
Replace U401
manuals search engine
Reinsert or check the
NG
Adapter/Inverter
section
NG
Check CN701 or replace
U701
NG
Replace X401
35
Hanns.G AG172D