My apologies for de-railing this thread. Every coax isolation transformer I've seen advises against using w/sat TV. I plan to FIND the source of the problem - I know its in no way reflects on the 975 quality.
_________________________
Samsung 60" LED
Outlaw Audio 976
Samsung BD player, Phillips CD chgr, Dish DVR, Firestick

Canare 14 ga - LCR tweeters inside; CC outside
BJC 10 ga - LCR mids*, inside & out
8 ga Powerline - LR woofers, inside & out

LR: Tri-amped Polk RTi A7
Rotel RB980s -> woofers; Rotel RB981s -> mids w/phase plugs & tweeters
CC: bi-amped Polk CSi A6 -> Rotel RB981
SWs: Sunfire & 4 Audio Pros - LFE True Sig; 4 Evidence - 1 @ ea corner
Surrounds: Rotel RB981 -> Polk RTi A3
Power Conditioning & Distribution:
3 dedicated 20A feeds; APC H15; 4 Furman MP-20s