HP LE1901w

19" LCD Color Monitor HP LE1901w
40
9.2 Trouble Shooting
9.2.1 Main Board
1. 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
Reinsert or check the
power section
X401 oscillate waveforms are
normal
Measure U701 Pin2=3.3V
Measure CN701 Pin3/4=3.3V
Replace U401
Replace X401
OK
OK
OK
NG
NG
NG
NG