27" LCD Color Monitor
Dell 2707WFP
63
No picture (DVI / VGA)
No picture
Measure Q711 PIN 5/6/7/8=1.8V
U702 PIN 2=3.3V
U705 PIN 2=3.3V
Q708 S=1.8V
NG
OK
Replace Q711, U706, U702,
U705, Q708
X501 oscillate waveforms are normal?
NG
Replace X501
OK
Check the output wave of U401
OK
Replace U501
NG
X401 oscillate waveforms are normal?
NG
Replace X401
OK
Check if the sync signal from computer is output and
video cable is connected normally
NG
OK
Input the sync signal of computer,
or change the cable
Replace U401
Summary of Contents for 2707WFP - UltraSharp - 27" LCD Monitor
Page 24: ...27 LCD Color Monitor Dell 2707WFP 24 ...
Page 33: ...27 LCD Color Monitor Dell 2707WFP 33 5 2 Electrical Block Diagram 5 2 1 Main Board ...
Page 40: ...27 LCD Color Monitor Dell 2707WFP 40 Remove the bezel Remove the Bezel Panel ...
Page 55: ...27 LCD Color Monitor Dell 2707WFP 55 8 PCB Layout 8 1 Main Board ...
Page 56: ...27 LCD Color Monitor Dell 2707WFP 56 ...
Page 57: ...27 LCD Color Monitor Dell 2707WFP 57 8 2 Power Board ...
Page 58: ...27 LCD Color Monitor Dell 2707WFP 58 ...
Page 59: ...27 LCD Color Monitor Dell 2707WFP 59 8 3 Key Board 8 4 USB Board ...
Page 60: ...27 LCD Color Monitor Dell 2707WFP 60 ...
Page 79: ...27 LCD Color Monitor Dell 2707WFP 79 12 Exploded View ...