C
C
C
T
T
T
X
X
X
Service Manual
S762A
15
Start
No
Screen missing color
Block on screen
Line on screen
Screen is flickering
Screen white
No Trouble
Found
End
Yes
Yes
Yes
Yes
Yes
OK
No
No
Change
VGA cable
Change
main board
OK
OK
OK
OK
OK
Change
LCD panel
Change
main board
Change
main board
Change
LCD panel
Change
power board
Change
main board
Change
LCD panel
Yes
OK
OK
OK
No
Yes
Check panel
connector
Check main
board
connector
Change
LCD panel
Yes
Yes
Yes
OK
OK
OK
Screen with noise
& line bar
No
Press enter button call OSD
Menu try Reset or Auto Tune
Change
main board
Yes
Yes
OK
OK
Yes
Yes
4.5 O.S.D. Trouble Shooting