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TV volume & picture frequently snap on & off

New Poster

TV volume & picture frequently snap on & off

Wondering why this happens & if I need a tech to visit to fix or is it a problem with the actual tv.

New Poster

Re: TV volume & picture frequently snap on & off

I'm experiencing the same thing since my kitchen tv was upgraded to include DVR. The first time, the tv would snap off for 10-15 and intermittently. Comcast came out and replace cable.  Still experiencing sound and picture snapping on and off but in shorter times.  Wish there was a way to just schedule an appt. without going through support.  I've done all the unplugging, turning on and off stuff and checking connections.  Still the same.

 

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