If you ran a coax directly from the receiver to the dish with receiver out to TV and you got nothing ... it ain't a KeyTV problem. I would start by replacing the coax from the receiver to the dish ... then replace the cable from the receiver to the TV. There are other variables here including the receiver, the LNB's in the dish, dish obstructions, TV problems ... etc. But, what you described is NOT a KeyTV problem.
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