I did, in fact, do a search, and found this thread, but it was a thread from 7 years ago. I don't know if the information posted is still applicable/relavent, especially since that one was a series 3, ...

I've recently began having problems with my Tivo (series 1) IR blaster transmitting sixes. I didn't really notice, then care much, but now I realize I'm missing episodes of "Dennis Miller Live", so ...