Check the various cable connections first.
1.
Check to see if there is a burnt or damaged cable.
-
Check to see if there is a disconnected or loose cable connection.
-
Check to see if the cables are connected according to the connection diagram.
-
Check the power input to the Main Board.
2.
How to distinguish if the problem is caused by Main Board or T-Con Board.
3.
No Video
-
: If the problem is No Video but BLU is on and Indication LED is blinking repeatedly and faster than
nomal booting, replace the T-Con Board.
Distorted Picture
-
: Check the inner patterns.
For All mode
GenoaS
GenoaS FRC Post
Picture
Problem
OK
OK
NG
Main Board or Signal Source
NG
OK
NG
Main Board
NG
NG
NG
Main or LVDS cable or T-con or Panel
Only for HDMI mode (additional check)
HDMI
Picture
Problem
OK
NG
There is no problems after HDMI IC check HDMI source or HDMI jack.
NG
NG
There is no problems before HDMI IC check GenoaS pattern or LVDS cable or T-con.
How to check inner pattern?
Factory mode. (Mute
1.
1
8
2
Power on when TV is in ‘stand-by mode’)
Move to SVC menu.
2.
Move to Test Pattern.
3.
Check inner patterns. (This model only support GenoaS, GenoaS FRC POST, HDMI)
4.
4-1
4. Troubleshooting
4. Troubleshooting
4-1. Troubleshooting
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