Lenovo L194 Wide Service Manual page 30

19" LCD Color Monitor
(2) No picture
No picture
The button if under
control
OK
Measure U701 PIN2=3.3V
and U702 PIN2=1.8V
OK
X201 oscillate
waveform is normal
Check HS/VS from
CN101 is normal
Replace U202
NG
NG
OK
NG
OK
X201 oscillate
waveform is normal
OK
Check reset circuit of
U202 is normal
OK
Replace U202
NG
Replace U701, U702
Replace X201
Check Correspondent
component
30
Lenovo L194 Wide
NG
Replace X201
Check Correspondent
NG
component