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19" LCD Color Monitor
(3). White screen
Check Q704
or CN703 solder?
Check Correspondent
component.
White screen
Measure Q704 base
is low level?
OK
,
Q703 is broken
NG
OK
Replace Panel
NG
X401 oscillate
waveform is normal
OK
Check reset circuit of
U401 is normal
OK
Replace U401
36
ASUS VB191D
NG
Replace X401
NG
Check Correspondent
component.
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