Fujitsu FSC P20W-3 Service Manual page 37

20" LCD Color Monitor
No picture (LED orange)
The button if under
control
Measure U707 PIN2=3.3V
U705 PIN 2=1.8V; U704 PIN 2=2.5V
X401，X402 oscillate
waveforms are normal
No picture
OK
OK
Check CN701 or replace U707, U705, U704
NG
OK
Check HS/VS from
CN102 is normal
OK
Check U402
Replace U401
Replace X401，X402
NG
Check Correspondent
component
Replace U402
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FSC P20W-3