digital optical

hi im not getting sound on my new apple 4k tv 3rd generation with dolby atmos 7.1 on my hisense u8h tv. i have no problem playing this format on my panasonic ub820. i use a optical cable from my tv to my old sennheiser wireless headphones transmitter. i use those usually for movies cause it...

I've been trying to connect the PS4 (regular, not slim) to the vsx 52tx receiver but even when the PS4 recognizes the digital optical cable, there's no audio for it, only audio out of the TV. I really only need the audio to go into the home theatre, because the video is outputted through the...