Our netbook didn't want to download the manual, but google led me to some specs and pictures of the VR-505. The Kenwood has three digital audio inputs: two coaxial (DVD and Video2/Monitor) and one optical (CD/DVD). Unfortunately, his three sources include two with optical only and one with optical and coaxial, so that extra coax input isn't going to do him a whole lot of good. I'd prioritize the DVD and satellite box for digital connections. If he does need optical out from the TV, a converter can be had pretty cheaply - and until he can get one, he can use analog cables as a temporary solution for OTA broadcasts.

Video switching on the receiver is limited to composite, so he'll obviously need to route the video from the DVD player and satellite box straight to the TV.