Dell E178WFPC Service Manual page 46

17" LCD Color Monitor
White screen
White screen
Measure Q301 base
is low level?
OK
Check Q302 is broken or
CN301 solder?
OK
Replace PANEL
NG
NG
Check Correspondent
component.
X201 oscillate
waveform is normal
NG
OK
Check reset circuit of
U401 is normal
NG
OK
Replace U401
46
Dell E178WFPC
Replace X201
Check Correspondent
component.