Service manual
21.5" LCD Color Monitor AOC e2236Vwa
50
White Screen
White screen
Measure Q302 base is
low level?
X401 oscillate
waveform is normal
Check U301 is broken,or
CN301 solder?
Check
Correspondent
component.
Replace PANEL
Check
Correspondent
component.
Replace U401
OK
OK
Replace X401
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
OK