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4. Troubleshooting
4-1. Troubleshooting
4-1-1. Previous check
1.
Check the various cable connections first.
• 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.
2.
Check the power input to the Main Board.
3.
How to distinguish if the problem is caused by Main board or T-Con.
a.
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.
b.
Distorted Picture : Check the inner patterns.
•
For All mode
FBE
READ PRE
OK
OK
NG
OK
NG
NG
NG
NG
•
How to check inner pattern?
1.
Factory mode(
INFO
2.
Move to
SVC menu.
3.
Move to
Test Pattern.
4.
Check inner patterns.
(This model only support FBE, READ PRE, READ POST)
READ POST
OK
OK
OK
NG
MENU
MUTE
Power on
Picture
Problem
NG
Main board or Signal Source
NG
Main board
NG
Main board or FRC setting
NG
Main or LVDS cable or T-con or Panel
when TV is in
'Stand-by
mode')
4. Troubleshooting
4-1
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