22" LCD Color Monitor
Dell E228WFPc
47
White screen
White screen
Measure Q603 base
is low level?
X301 oscillate
waveform is normal
Check Q603, Q602 is
broken or CN501 solder?
Check Correspondent
component.
Replace PANEL
Check Correspondent
component.
Replace U401
OK
OK
OK
Replace X301
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Содержание E228WFPc
Страница 40: ...22 LCD Color Monitor Dell E228WFPc 40 8 PCB Layout 8 1 Main Board ...
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Страница 42: ...22 LCD Color Monitor Dell E228WFPc 42 8 2 Power Board ...
Страница 43: ...22 LCD Color Monitor Dell E228WFPc 43 8 3 Key Board ...
Страница 55: ...22 LCD Color Monitor Dell E228WFPc 55 12 Exploded View ...
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