Question about LG 50PX4DR 50 in. Plasma TV

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No audio on pasma when cable set box set to certain channel

I lose audio on certain channel when selected and lose audio after that point on all channels until I turn off cable set box and tv. I have had the cable box replaced and connected another HDD on the cable set box which will work fine.

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  • JR52 Jun 15, 2008

    When I connect a coax cable from the set box to the coax cable input of the plasma audio does work. So it is definitely with the HDMI/DVI connection. I have tried both HDMI/DVI inputs on the set with the same results. All channels work fine from the set box except for one channel.

  • Banji Lawal
    Banji Lawal May 11, 2010

    Have you tried to do cable direct i.e, connect cable wire directly to your tv set, to determine if problem is from your tv or from cable company? You might want to check whether your tv is on what we call SAP. You can find out this by going into menu opf your tv and select audio. If is in SAP you want to change it to Stereo

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In that case two things might be happening. 1. HDMI/DVI cable you using might be faulty you want to change that or 2. The HDMI input of your TV set might be the problem. I will suggest you use component cable instead, I am talking about the 5-color-coded (green, blue, red and red/wihte) cable to connect the set top box to your TV.

Posted on Jun 28, 2008

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The set does not cause this kind of problem--it is something set by accident wrong.

If this helped you rate this solution as "very helpful" as I do this here for free.

If you have questions feel free to comment here--I am here to help.

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well if you want to get rid of he tv i offer to buy it from you
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