17" LCD Color Monitor
Dell E178FPC
50
No picture (LED orange)
No picture
Measure U701 PIN2=3.3V
C702 “-”=1.8V
Replace U401
X401 oscillate
waveform is normal
Replace Q702, U702
OK
OK
OK
NG
Check HS/VS from
CN405 is normal
Replace X401
Check Correspondent
component
NG
NG
Replace U401
Whether the reset
of the Scalar IC is
useful?
Check C418, D414,
D415, R404
NG
OK
Содержание E178FPC
Страница 41: ...17 LCD Color Monitor Dell E178FPC 41 8 PCB Layout 8 1 Main Board ...
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Страница 44: ...17 LCD Color Monitor Dell E178FPC 44 8 2 Power Board ...
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Страница 47: ...17 LCD Color Monitor Dell E178FPC 47 8 3 Key Board ...
Страница 58: ...17 LCD Color Monitor Dell E178FPC 58 Step3 Click open and OK bring up Fig 4 and Fig 5 Fig 4 Fig 5 ...
Страница 60: ...17 LCD Color Monitor Dell E178FPC 60 12 Exploded View ...