19" LCD Color Monitor
Dell E1909Wc
46
No picture (LED orange)
No picture
The button if
under control
X401 oscillate
waveform is normal
Replace U401
Replace X401
Measure U701 PIN2=3.3V
C904(+)=1.8V
Check Correspondent
component
Replace U401
X401 oscillate
waveform is normal
Check CN701 or
replace U701,
Q702,Q703
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U401s normal
Check HS/VS from
CN101is normal
Replace X401
Check Correspondent
component
NG
NG
OK
Replace U401
Summary of Contents for E1909Wc
Page 22: ...19 LCD Color Monitor Dell E1909Wc 22 ...
Page 23: ...19 LCD Color Monitor Dell E1909Wc 23 4 5 2 Appearance inspection specification ...
Page 24: ...19 LCD Color Monitor Dell E1909Wc 24 4 5 3 Outside dimension specification ...
Page 33: ...19 LCD Color Monitor Dell E1909Wc 33 The panel ...
Page 41: ...19 LCD Color Monitor Dell E1909Wc 41 8 PCB Layout 8 1 Main Board ...
Page 42: ...19 LCD Color Monitor Dell E1909Wc 42 ...
Page 43: ...19 LCD Color Monitor Dell E1909Wc 43 8 2 Power Board ...
Page 44: ...19 LCD Color Monitor Dell E1909Wc 44 8 3 Key Board ...
Page 57: ...19 LCD Color Monitor Dell E1909Wc 57 12 Exploded View E ...