Have you tried to plug the HDMI for TV to the HDMI out on the AV? Like I said the HDMI sat is a in so will not get the sound for TV , so try from it in the out if that works get a good splitter, I have done it before.
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc