TiVo Remote with Onkyo Receivers

I'm using a TiVo Bolt with three Minis. The Bolt and one of the Minis are connected to Samsung TVs and Onkyo receivers. The problem I have is reliable on/off control of the Onkyos with the TiVo remote.

In each case I've programmed the TiVo remote to control power on both the Samsung TV and the attached Onkyo receiver using the appropriate codes for each. I did the programming by entering the Samsung code for power button first, and then separately entering the Onkyo code for the power...

TiVo Remote with Onkyo Receivers

TiVo Remote with Onkyo Receivers