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Service Manual
(3). White screen
White screen
Measure Q411 base
is low level?
OK
Check Q411 and Q412 are
broken or CN407 solder?
NG
OK
Replace Panel
NG
Check Correspondent
component.
X401 oscillate
waveform is normal
NG
OK
Check reset circuit of
U401 is normal
NG
OK
Replace U401
75
ASUS VW224U&VW224S
Replace X401
Check Correspondent
component.
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