Well the issue with doing it like this is that you need to utilize the display for one source (Video)and the AV receiver for another (sound). Ideally, everything should be ran through the AV receiver via HDMI, that way it is very easy to hook everything up with minimal cabling and to use the system. When you connect your different components (BluRay player, AppleTV, Cable/sat box gaming system etc) to the AV receiver via HDMI, and your HDMI output from the receiver to your display, whatever source you select on the AV receiver is what audio and video you will now be listening to/watching. By connecting the HDMI from your Cable/sat service directly to your display, you are bypassing the AV receiver, hence no surround sound. But you will be able to listen to music through the receiver while you watch a program on TV. This would also require you to switch back and forth between sources on the TV to say for example, Input 2 for TV and Input 1 for everything else. The only other way I could imagine this happening is if your cable/sat box outputs video signal on 2 outputs simultaneously, then you could run a set of component video cables to an input on the display , and the HDMI to the receiver, this way you would have the best of both worlds.