Fujitsu Siemens Computers B19-2 - Page 36

FSC B19-2
Page 36 of 55
White screen
White screen
Measure Q204 base
is high level?
X601 oscillate
waveform is normal
Check Q204,Q203 are
broken or CN503 solder?
Check Correspondent
component.
Replace PANEL
Check Correspondent
component.
Replace U601
OK
OK
OK
Replace X601
OK
NG
NG
NG
NG
Check reset circuit of
U601 is normal