ViewSonic VLCDS25973-2W Service Manual page 44

1
Is screen scrolling ?
No
Is screen flickering ?
No
Is LCD line defective ?
No
Bad Uniformity ?
No
Have line bar or noise?
No
Ghost image ?
No
End
Notice :
1. Make sure VGA cable connect to PC directly and not through a “Data transfer” or “Distribution”......After this action if
Ghost image disappear, 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”.
ViewSonic Corporation
Change
Yes
VGA Cable
Yes
Yes
Change
Main Board
Yes
Change
Yes
LCD Panel
Yes
Change
Yes
Inverter Board
Yes
Adjust “Fine Tune”
Yes
“Sharpness” or
“Auto Adjustment”
Yes
Yes
Refer to No
Notice 1
Yes
41
Change
No
Main Board
Yes
Change
No
LCD Panel
Yes
Change
No
LCD Panel
Yes
Change
No
Main Board
Yes
Adjust “Fine Tune”
Refer to
No
“Sharpness” or “Auto
Notice 2
Adjustment”
Yes
Confidential - Do Not Copy
Change
No
Main Board
Yes
Yes
VP191b/s-1/-2