Samsung UN55LS003AF - Tv Main; T-Con

4-3-2. TV MAIN / T-CON
T-CON Section 
Mute - 369 - Mute
[May not be available for Larger models over 70 inches.]
Video Operation
Generated at T-CON Section in TV Main / T-CON.
If OK:1.
Check/Replace defective TV Main / T-CON Board 9
If Noisy:2.
Main / T-CON Board 9
Panel 9
4-8
4. Troubleshooting