Fujitsu Siemens Computers B19-2 Service Manual page 35

No picture (LED orange)
The button if under
control
Measure U201 PIN2=1.8V
U202 PIN2=3.3V
waveform is normal
Check HS/VS from
CN301is normal
No picture
OK
OK
X401 oscillate
NG
OK
OK
Replace U401
NG
X601 oscillate
waveform is normal
OK
Check reset circuit of
U601 is normal
Replace U601
NG
Replace U201, U202
Replace X401
NG
Check Correspondent
component
Page 35 of 55
NG
Replace X601
Check Correspondent
NG
component
OK
FSC B19-2