Solved! Tv sound to stereo receiver

Oct 6, 2018
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I have a Yamaha rx v1900 stereo receiver with HDMI output and inputs. Have just bought a new
Lg oled 55c8pta tv, but cannot get sound from tv to stereo. Have gone through settings on tv, but no sound.
Have optical out on tv, but not on stereo. Is is doable?
Cheers,
Brad.