Asus VW221D Service Manual page 38

22" LCD Color Monitor
(3). White screen
White screen
Measure Q301 base
is high level?
OK
Check Q301 and Q302 are
broken or CN301 solder?
OK
Check Correspondent
component.
NG
Replace Panel
ASUS VW221D&VW221DE&VW221S
NG
X201 oscillate waveform
is normal
OK
Check reset circuit of
U202 is normal
OK
Replace U202
38
NG
Replace X201
NG
Check Correspondent
component.