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Lenovo L2060wA Service Manual page 38

20.0” lcd color monitor
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20.0" LCD Color Monitor
(2) No picture
The button if under
control
Measure Q401 pin(e)=3.3V
and Q502 pin(c)=1.8V
X401 oscillate
waveform is normal
Check HS/VS from
CN101 is normal
Replace U401
No picture
NG
OK
OK
NG
OK
OK
X401 oscillate
waveform is normal
OK
Check reset circuit of
U401 is normal
OK
Replace U202
NG
Replace Q401, Q501/Q502
Replace X401
NG
Check Correspondent
component
38
Lenovo L2060wA
NG
Replace X401
Check Correspondent
NG
component

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