Question about Sony BRAVIA® DAV-HDX576WF Theater System with Wireless Speakers

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No sound from TV thru sony bravia hdx576wf; DVD & CD audio ok.

I hooked up all new Sony components (Sony KDL-46V4100 TV & Sony bravia hdx576wf Home Theater) with no problems, even with our Motorola Comcast cable box. Loved the system for weeks, then one day no TV sound. I isolated the TV and the audio works ok thru the TV speakers. Audio is ok for DVD's and CD's and I can hear AM & FM thru the sony hdx576wf. I also isolated the cable box, hoping that was the problem. It operated fine thru another TV, sound and all! I checked the settings and all seems fine, but I don't understand the lack of TV sound. When I raise the volume on the TV alone, there is no sound (when hooked up to the hdx576wf). It's got to be something obvious, right?
Thanks, Brian

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  • Brian Pirok
    Brian Pirok Feb 20, 2009


    Thanks for your input. Yes all three units are on. When I hooked the cable box to another TV, audio worked fine. Your right about the TV not overriding the audio system. The frustrating thing is that it was working for weeks before it stopped. The home theater unit is always on the TV function setting when I watch, or try to watch, TV. I'll try checking all the connections. I'm using the single source cables, not the colored RCA type cables and the digital audio cable (with the square plug). Maybe something is wonky. I don't think the kids knocked something out of wack, but nobody is admitting anything either!

  • Nahum Reduta May 11, 2010

    Are you sure all three components are on? If you're watching cable, the audio source is the cable box, and should output to the home theater. The TV shouldn't have any control over audio (unless you made a second audio connection from cable box to TV). The home theater should be in TV/Video mode, and controlled using the home theater remote.

    BTW, this discussion should help give the cable universal remote volume control over the home theater.


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Could be a sync calibration issue. Try to divert the TV sound to another input source on the Hometheatre system if possible, if it is a go then maybe the TV audio needs to be recalibrated. Make sure TV audio setup menu option has not changed also.

Posted on Feb 08, 2009

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