I have the same problem connecting a Qled Q80R to a Yamaha HTR-4071 receiver. Setup works automatically, Anynet+ is turned on, CEC is turned on at receiver side... But it never turns on with the TV, always have to turn the receiver on manually. It does shut off, and changes volume... so the connection is set up and working. I had a 4y old Sony Bravia TV before which worked perfectly with the same receiver settings... It's very irritating that a newer generation, more expensive Samsung TV doesn't work, and Samsung doesn't seem to care about fixing this problem.
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