Dell E178WFPC Service Manual page 45

17" LCD Color Monitor
No picture (LED orange)
No picture
Measure U701 PIN2=3.3V
U702 PIN2=1.8V
NG
OK
X201 oscillate
waveform is normal
NG
OK
Whether the reset
of the Scalar IC is
useful?
NG
OK
Check HS/VS from
Replace U401
CN101 is normal
NG
OK
Replace U401
Replace U701, U702
Replace X201
Check C407, C227,
R219
Check Correspondent
component
45
Dell E178WFPC