Acer B193W - Page 32

32
3. Panel Power Circuit
White screen
Measure Q301 base
is low level?
X401 oscillate
waveform is normal
Check CN301 is solder
and Q301,Q302 is OK?
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
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