HP LP2275w

22" LCD Color Monitor HP LP2275w
43
9.2 Trouble Shooting
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&U707 PIN2=3.3V
U702=2.5V U708 PIN5,6=1.8V
Reinsert or check the
Adapter/Inverter
section
X401 oscillate waveforms
are normal
Check CN701 or replace
U701,U707, U702 U708
Replace X401
OK
OK
NG
OK
NG
NG
OK
Check U401
Replace U401
NG