Samsung UE D65 V Series, Service Manual

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4-1
4. Troubleshooting
4. Troubleshooting
4-1. Troubleshooting
4-1-1. Previous check
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. 3.
No Video : If the problem is No Video but BLU is on and Indication LED is blinking repeatedly and faster than nomal booting, a.
replace the T-Con board.
Distorted Picture : Check the inner patterns.
b.
For All mode •
FBE READ PRE READ POST Picture Problem
OK OK OK NG Main board or Signal Source
NG OK OK NG Main board
NG NG OK NG Main board or FRC setting
NG NG NG NG Main or LVDS cable or T-con or Panel
How to check inner pattern? •
Factory mode( 1. INFO

MENU

MUTE

Power on when TV is in ‘ Stand-by mode ’)
Move to 2. SVC menu.
Move to 3. Test Pattern.
Check inner patterns. 4.
(This model only support FBE, READ PRE, READ POST)