Ok, so I've got something that is working for at leat 24 hours...I don't think I read this as a suggested solution so far so here you go: On the Denon Receiver settings go to Video and set HDMI control to OFF, you will need to keep ARC ON. On the Denon Receiver settings go to General - Eco then set Main Zone to sleep or standby after desired time (I've only tried 60mins so far, but I set it to 15 eventually). Now, when you power off your Samsung your Denon will not turn off...but it will after the desired sleep time. Hopefully your receiver will have the same effect as mine: Every time I turn on my Samsung Q7 now the Denon powers right up...no need to leave your receive on at all times!
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