Just piling on here. I have the same exact problem with my Q80R + HW-Q90R + FiOS One set top box. I press power on the FiOS remote and the TV + fios turn on, but soundbar stays off and TV soundput defaults to TV speakers. I manually turn on the soundbar and picture comes up. The remote, however, will turn off the soundbar though that could just be the TV doing it.
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