17" LCD Color Monitor
Dell SE178WFPC
43
9.2 Trouble shooting
9.2.1 Main Board
No power
No power
Press power key and look
if the picture is normal
Please reinsert and make sure
the AC of 100-240 is normal
Measure U701 PIN2=3.3V
U702 PIN2=1.8V
Reinsert or check the
Adapter/Inverter
section
X201 oscillate waveforms
are normal
Check CN401 or replace
U701, U702
Replace U401
Replace X201
OK
OK
OK
NG
OK
NG
NG
Summary of Contents for SE178WFPC
Page 35: ...17 LCD Color Monitor Dell SE178WFPC 35 8 PCB Layout 8 1 Main Board ...
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Page 38: ...17 LCD Color Monitor Dell SE178WFPC 38 8 2 Power Board ...
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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 ...