A:AnswerI have also been dealing with that issue since moving into my new house almost two years. My wife finally got tired of it and told me to get rid of it asap and get a Bose.
A:AnswerYou probably need the latest firmware update. I just purchased same system and firmware update was required right out of the box. I believe the firmware update will address your issues. Make sure you select correct version of firmware update (based on serial number of your unit).
A:AnswerIf you currently use it with an HDMI cable, you may want to try switching to an optical cable, as that can sometimes resolve this particular issue.