22" LCD Color Monitor
ASUS VW221D&VW221DE&VW221S
38
(3). White screen
White screen
Check Q301 and Q302 are
broken or CN301 solder?
Check Correspondent
component.
Replace Panel
Check Correspondent
component.
Replace U202
OK
OK
Replace X201
OK
NG
NG
NG
NG
Check reset circuit of
U202 is normal
OK
X201 oscillate waveform
is normal
Measure Q301 base
is high level?
Summary of Contents for VW221D
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Page 8: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 8 VW221S ...
Page 9: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 9 3 3 OSD Menu ...
Page 10: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 10 ...
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Page 13: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 13 4 3 Factory Preset Display Modes ...
Page 28: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 28 7 PCB Layout 7 1 Main Board 715G2698 4 ...
Page 29: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 29 ...
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Page 31: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 31 7 2 Power Board 715G2538 1 3 ...
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Page 44: ...22 LCD Color Monitor ASUS VW221D VW221DE VW221S 44 10 Monitor Exploded View ...