I forgot to mention that I also tried using the Up Channel button to let the TiVo remote find a code. It found the code to mute the Bravia TV, but the display on the receiver did not change.
I'm not sure how the "find code" feature works, but I cycled through it long enough with no success to make my thumb sore.
I'm not sure how the "find code" feature works, but I cycled through it long enough with no success to make my thumb sore.