Samsung UN KU650DF Series Service Manual page 75

4. Troubleshooting
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).
2. If Noisy:
√ Main / T-CON Board.
4-6
Mute - 369 - Mute