Just got my refurb 717 today through Accessories 4 Less. I've hooked up all my speakers (5.1 system), my DirecTV DVR and my Samsung BD-D5500 blu-ray player. I'm using all HDMI connections. I've got sound and picture coming through for my DVR but sound only from the blu-ray player. I get an occasional flicker of a picture, but nothing else. All connections are solid. The blu-ray player was working properly when connected directly to the TV via HDMI.Any suggestions?BrucePS--I have to say the manual for this receiver leaves a LOT to be desired. Instructions are not very clear at all.