Well, I know, which is why it pisses me off so much. I would have assumed that 2 products designed to go together would work together.
Basically, Im going to see if richer sounds will give me any money for the receiver to take it back, even though its been 4 and a half months. If not, ebay

.
Then, new Marantz AV. (Well, new AV system, Marantz, Denon, or NAD)

for new AV system,

for having to pay £200+ when I was happy with my pioneer.