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19" LCD Color Monitor AOC 919Swa
32
White Screen
White screen
Measure Q404base
is low level?
X401 oscillate
waveform is normal
Check FB402,Q405 is
broken,or CN405 solder?
Check Correspondent
component.
Replace PANEL
Check Correspondent
component.
Replace U401
OK
OK
OK
Replace X401
OK
NG
NG
NG
NG
Check reset circuit of U401
is normal