Acer X193HQ Series Service Manual - Page 32
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Also for Acer X193HQ Series: Quick Start Manual (24 pages), Service Manual (36 pages)
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3. Panel Power Circuit
Check CN403 is solder
and Q404,Q405 is OK?
Check Correspondent
component.
White screen
Measure Q404 base
is low level?
OK
NG
OK
Replace PANEL
NG
X401 oscillate
waveform is normal
OK
Check reset circuit of
U401 is normal
OK
Replace U401
32
NG
Replace X401
NG
Check Correspondent
component.