A:AnswerI had similar issues. Not a deficiency of the TV.Playing with video and sound format settings, and making sure the right inputs were connected fixed it.
BUT, there is alwaysbthe possibility that yoursbia damaged or defective.
A:AnswerI was told that optical cables are not the best option for sound bars. And it seems they have issues with quality of output fron 5.1 and above.Have you tried the HDMI ports?
