Dell E2209Wc Service Manual page 46

22" LCD Color Monitor
No picture (LED orange)
No picture
The button if
under control
OK
Measure U701 PIN2=3.3V
C904(+)=1.8V
OK
X401 oscillate
waveform is normal
OK
Check HS/VS from
Replace U401
CN101is normal
OK
Replace U401
NG
NG
Check CN701 or
replace U701,
Q702,Q703
NG
NG
X401 oscillate
waveform is normal
OK
Check reset circuit of
U401s normal
OK
Replace U401
Replace X401
Check Correspondent
component
46
Dell E2209Wc
NG
Replace X401
NG
Check Correspondent
component