Question about Toshiba 57H81 57" Rear Projection Television

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Intermitant sound loss

While watching my television the screen will have very light diangonal lines flicker accross screen and the sound will go off. This will get progressively woorse over five to ten minutes. The sound will go off completely. If I turn the power off and then back on the sound will return and the problem will repeat. When the sound goes out if I push the mute button to get close caption it will be intermitant just like the sound.

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This is rather technical, but if you look at this PDF: http://www.tacpservice.toshiba.com/TACP/subpages/pdfs/TechBulletinsTV2003.pdf And scroll down to the 3rd page from the bottom. It will have No: TV200314 in its heading. That entry describes a known cause of sound loss on this model, and how to fix it. If you're not comfortable soldering on a circuit board, you may want to get someone else to take care of this for you. If you have any questions about it, let me know.

Posted on Sep 05, 2007

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This set has a few service bulletins out on different problems with this model. The biggest one is the bad solder connections on the negative lead on C809 and C810. If your able, you may want to re solder these as these will cause intermittent problems until these bad connections kill the Tv set. Good Luck

Posted on Jul 15, 2007

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Have you set the video noise feature to , to high a setting? this will cause this problem,,,put it back to standard

Posted on Jul 09, 2007

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