Denon AVR-S540BT


Novice Member
Hi Guys, Need help with a really basic problem. No video when hooked up to Xfinity cable box. I have the cable going into the Xfinity cable box..then HDMI cable to beh cable/sat input HDMI on the Denon...then HDMI out to the TV; Samsung or LG....both give sound but no picture. Everything works fine if I just connect the cable box direclty to the TV, and not use the receiver. Receiver to TV HDMI connection is good, because it works fine with Apple TV to Denon--Denon HDMI up to TV... What am I doing wrong?
Thanks for the help!

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