Specifications

19” LCD Color Monitor BenQ G900WA
36
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
p
ower section
X401 oscillate waveforms are
normal
Measure U201 Pin2=3.3V
OK
OK
NG
NG
NG
Replace U201
Check U401
Replace X401
OK
NG
Replace U501
Replace U401
OK
NG