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23" LCD Color Monitor
(3) White screen
Check Q701 and Q704 are
broken or CN403 solder?
Check Correspondent
component.
White Screen
Measure Q701 base
is low level?
OK
NG
OK
Replace Panel
NG
X401 oscillate
waveform is normal
OK
Check U401
OK
Check reset circuit of
U401 is normal
NG
Check Correspondent component.
64
BenQ G2320HD
NG
Replace X401
NG
Replace U401
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