4-1
4. Troubleshooting
4. Troubleshooting
4-1. Troubleshooting
4-1-1. Previous check
Check the various cable connections rst. 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•
GenoaP Napoli Pre Napoli post Piocture 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
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(1. Mute 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. 4.
(This model only support FBE, READ PRE, READ POST)
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