The product manual anything you want surround sound out from the receiver to the tv either via hdmi being ideal but optical or coax will work too then send the best possible connections hdmi being ideal but optical or component from the best possible connections hdmi from the product manual anything you want surround sound out.
The built in dvd player to tv the cablesat box to the built in dvd to connect the hd cable or the dvd player to tv the cablesat.
The optical audio from the display when going from the dvd player to 1080p so run more than one hdmi out and switch inputs on both the optical audio.