Samsung UN55MU850DF Service Manual page 37

4. T-CON Section
NOTE
May not be available for Larger models over 70 inches.
Video Operation : Generated at T-CON Section.
1. If OK:
Main / T-CON Board (defective).
9
2. If Noisy:
Main / T-CON Board.
9
Mute - 369 - Mute
4. Troubleshooting
4-13