17" LCD Color Monitor
Dell SE178WFPC
44
No picture (LED orange)
No picture
Measure U701 PIN2=3.3V
U702 PIN2=1.8V
Replace U401
X201 oscillate
waveform is normal
Replace U701, U702
OK
OK
OK
NG
Check HS/VS from
CN101 is normal
Replace X201
Check Correspondent
component
NG
NG
Replace U401
Whether the reset
of the Scalar IC is
useful?
Check C220, R219
NG
OK
Summary of Contents for SE178WFPC
Page 35: ...17 LCD Color Monitor Dell SE178WFPC 35 8 PCB Layout 8 1 Main Board ...
Page 36: ...17 LCD Color Monitor Dell SE178WFPC 36 ...
Page 37: ...17 LCD Color Monitor Dell SE178WFPC 37 ...
Page 38: ...17 LCD Color Monitor Dell SE178WFPC 38 8 2 Power Board ...
Page 39: ...17 LCD Color Monitor Dell SE178WFPC 39 ...
Page 40: ...17 LCD Color Monitor Dell SE178WFPC 40 ...
Page 41: ...17 LCD Color Monitor Dell SE178WFPC 41 8 3 Key Board ...
Page 54: ...17 LCD Color Monitor Dell SE178WFPC 54 12 Exploded View ...