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Thread Starter 
Source DishNetwork 2 Tuner multiroom
Signal is piped through Coax

SetupA:
Dish receiver set to send tuner @ Air Channel 60.
Coax connected to Ant input. Remote set to select Ant.
TV fails to atuo Tune and when expressly tuned to Ch 60, TV shows 'No Signal'.

SetupB:
Dish receiver set to send tuner @t Cable Channel 75.
Coax connected to Cable input. Remote set to select cable.
TV fails to atuo Tune and when expressly tuned to C75, TV shows 'No Signal'.

Now the zinger:
If I select 'side by side', I see the Dish channel in the right [viewer right] box. I can enlarge the box and shrink it. But if I select the box for full view, guess what I get
'No Signal'


Other:
TV has no trouble tuning OTA digital channels
I have tried factory reset.
Other sourceswork.
I have tried couple of other Cable and Air channels

I love that TV. Please help me keep it.

Salim