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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
Summary of Contents for SP2309Wc
Page 24: ...23 LCD Color Monitor Dell SP2309Wc 24 ...
Page 35: ...23 LCD Color Monitor Dell SP2309Wc 35 The panel ...
Page 48: ...23 LCD Color Monitor Dell SP2309Wc 48 8 PCB Layout 8 1 Main Board ...
Page 49: ...23 LCD Color Monitor Dell SP2309Wc 49 ...
Page 50: ...23 LCD Color Monitor Dell SP2309Wc 50 8 2 Power Board ...
Page 51: ...23 LCD Color Monitor Dell SP2309Wc 51 8 3 USB Board ...
Page 65: ...23 LCD Color Monitor Dell SP2309Wc 65 12 Exploded View ...