CTX S700A - OSD Specific Troubleshooting

C
C
C
T
T
T
X
X
X
Service Manual
S762A
15
Start
No
Screen missing color
Block on screen
L i ne on screen
Scr een i s f l i cker i ng
Screen whi t e
No Trouble
Found
End
YesYes
YesYes
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
OKOK
OK
No
Yes
Check panel
connector
Check mai n
board
connector
Change
LCD panel
Yes Yes Yes
OK
OKOK
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