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I have an older Samsung TV that doesn't have an HDMI ARC input, so I hooked mine up with the optical cord. On the TV remote settings go to MENU>SOUND>MODE>SPDF OUTPUT select PCM>Auto delay 0>SPEAKER SELECT External Speaker. Then go to your Roku and select settings>Audio>Set Audio mode to Stereo>Set HDMI to PCM-Stereo. See if that works for you.
Sorry, there was a problem. Please try again later.I believe you have to use the optical port. Then you have to set the TV to use the optical port for sound. Then it should work with the tv remote for the sound
Sorry, there was a problem. Please try again later.My Samsung is not a newer one and after reading and re-reading the directions connected the sound not using the HDMI port as was recommended. It was a challenge and I finally got it working using the included remote (and muting the tv with it's remote to eliminate the "echo" sound). I knew I had everything correctly connected by doing the sound test. I stream with a Roku and have never been able to control sound with the remote on the tv. Good luck!
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