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Dell SP2309Wc - Page 54

Dell SP2309Wc
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23" LCD Color Monitor Dell SP2309Wc
54
No picture (LED orange)
No picture
The button if
under control
X401oscillate
waveform is normal
Replace U401
Replace X401
Mea Measure U701 PIN2=3V
U711 PIN2=1V
Check Correspondent
component
Replace U401
X401 oscillate
waveform is normal
Replace
U701, U711
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Check HS/VS from
CN101is normal
Replace X401
Check Correspondent
component
NG
NG
OK
Replace U401

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