So true. I am in the same boat. XR11 remote controls on off function of the tv but not the receiver. Yamaha Rx-v373 receiver has its input via a hdmi cable from the Comcast box, which also has a cable(RG62) that feeds the tv. Most likely the volume is being controlled via the Comcast box and not the receiver.(not sure) No cable inputs are built into the receiver. So, I have to use my Logitech Harmony remote to control everything. In which case I loose my voice controls and the use of the xr11 Comcast remote unless I use them both. I wish Comcast could program the correct codes for modern day equipment. As usual you don't always win with Comcast. Just ask my DVR that sits in a box in the basement that I can't use because I have Comcast. 500 bucks down the drain.
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