Performance Troubleshooting - ViewSonic VA903b-3 VS11372 Service Manual

C. Performance Troubleshooting
Start
Screen is
scrolling?
NO
Screen is
flickering?
NO
LCD Line Defect?
NO
Bad Uniformity?
NO
Is screen white?
NO
2
ViewSonic Corporation
Change VGA
Yes
Cable
YES
Change
YES
Inverter Board
YES
Change LCD
YES
Module
YES
Change LCD
YES
Module
YES
Check
YES
Connector
YES
Change Main
No
Board
YES
Change Main
NO
Board
YES
Change Main
NO
Board
YES
Confidential - Do Not Copy
51
Change LCD
NO
Module
YES
VA903b-1_ VA903m-1