22" LCD Color Monitor
Dell E228WFP
43
No picture (LED orange)
No picture
Measure U602 PIN2=1.8V
U601 PIN2=3.3V
Replace U401
X301 oscillate
waveform is normal
Replace
U601, U602
OK
OK
OK
NG
Check HS/VS from
CN202 is normal
Replace X301
Check Correspondent
component
NG
NG
Replace U401
Whether the reset
of the Scalar IC is
useful?
Check U302, C333,
C329, ZD301
NG
OK
Summary of Contents for E228WFP
Page 19: ...22 LCD Color Monitor Dell E228WFP 19 2 Display Inspection 3 Appearance inspection ...
Page 36: ...22 LCD Color Monitor Dell E228WFP 36 8 PCB Layout 8 1 Main Board ...
Page 37: ...22 LCD Color Monitor Dell E228WFP 37 ...
Page 38: ...22 LCD Color Monitor Dell E228WFP 38 8 2 Power Board ...
Page 39: ...22 LCD Color Monitor Dell E228WFP 39 ...
Page 40: ...22 LCD Color Monitor Dell E228WFP 40 8 3 Key Board ...
Page 53: ...22 LCD Color Monitor Dell E228WFP 53 2 Select Commands Batch ...
Page 55: ...22 LCD Color Monitor Dell E228WFP 55 12 Exploded View ...