Samsung UE65TU8502UXXH E-Manual page 183

If the problem disappears during the test, check your TV signal. On the remote control, press the
Select Settings
strength.
Select Settings
strength.
Settings
Support Device Care
Support
Support Device Care
Self Diagnosis Signal Information
Support
Device Care
Self Diagnosis Signal Information
- 183 -
button.
to check the signal
to check the signal