HP VS19E

19" LCD Color Monitor HP VS19E
34
Panel Power Circuit
Replace PANEL
Measure Q204 base is
high level?
Check Q204 and Q203 are broken
or CN503 solder?
Check Correspondent
component.
OK
OK
NG
NG
X301 oscillate waveforms are
normal
Replace U301
Replace X301
OK
Replace U303
NG
NG