Don't know if this is the proper board, but here goes.
Had Fios installed about a month ago after 42 years with Cablevision. Anyway, everything worked okay for a while, then I had to start reprogramming the remote to my TV. That worked a couple of times, but now it just doesn't seem to take. The volume & mute "work" after the prompt to push the OK button during pairing, indicating success, but after the"OK exit" prompt is pushed, I can't unmute or change the volume w/o the TV remote.
TV is Sharp LC65D64U