1
Is LCD Line
defective?
Mura?
Is screen scrolling?
Bad Uniformity?
Is screen flickering?
Ghostimage?
Have line bar or
noise?
End
Change LCD
Panel
Change LCD
Panel
Change
VGACable
Change
Main
Board
Change
Main
Board
Change
LCD Panel
Change
Power
Board
Change
LCD Panel
Adjust"Fine
Tune""Sharp
ness"or"Auto
Adjustment"
Change
Main
Board
Refer
to
Notice
1
Adjust"Fine
Tune""Sharpn
ess"or"Auto
Adjustment"
Refer
to
Notice
2
Change
Main
Board
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
34
ViewSonic
Corporation
Co
nfidential
-
Do
Not
Copy
VA
905
Notice:
1. Make sure VGA cable connected to PC directly, not via anything like “Data transfer” or
“Distribution” ……After this
action if Ghost image disappears, go to “Yes”; else, go to “No.”
2. Check the compatibility on the computer. If it is compatibility problem, feedback the information to
ViewSonic; else, go to “No.”
