DSR317, no sound on some channels
After replacing my near ancient receiver, I got a new DSR317 in the mail yesterday. After spending over an hour with customer support JUST TO GET THE SIGNAL TURNED ON. I call them at last resort. Just yesterday I was watching the Comedy Network, today, to my surprise I am not getting any sound. I am getting picture, but no sound. Thats only on Comedy East and West. On any other channel I get sound AND picture. I tried holding down the power button trick but no results. Suggestions?