TIVO Roamio V52 error - XFinity

Same issue as many have described. HD channels started pixelating over the weekend and then dropped completely. Phone rep had me get two replacement Cable Cards (in case one doesn't work per the rep), spent an hour so far today pairing the new one to no avail. Issue remains and has now spread to my standard channels as well. Checked signal via Tivo and some stations with 60-80 signals give the V52 error. Help!!!!

This question, "TIVO Roamio V52 error," is about XFinity-Comcast TV television equipment.

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