Question about Mitsubishi LT-52149 52 in. LCD HDTV

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About every other time I turn on my LT 52149 TV there is no sound. The picture is fine, but no sound. Usually if I turn off my Verizon Fios STB (HD QIP 71001) and the TV together and then turn them both on the sound comes on. They are both connected through a HDMI cable. Any ideas?

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  • 132 Answers

This is a tough one without seeing it. The audio is located on the main board. If you determine that it is not a problem w/ the hdmi cable, such as it not being secure to the tv and other device, then a new main board should fix the problem as long as it's not a problem w/ the the device that it is coming from. Have you tried another device w/ an hdmi cable to see if it still does it?

Posted on Sep 02, 2010

  • tryan1982 Sep 02, 2010

    I have an XBOX 360 hooked up too. The last time I had no sound I switched to the XBOX input and it had sound. I then switched back to the tv input and it was working. Its the only tv I have right now so I am going to try to swap out the cables and see what the issue is.

    I moved a month ago and I've been having the problem ever since. I think it could be the set top box its now hooked up to. I'll have to do more troubleshooting.

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