Question about Toshiba 50H81 50" Rear Projection Television

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No picture no sound red light turns on and off when pressed

I was playing a video game and the tv suddenly turned off then it turned right back on, but no picture or sound, does anyone have a suggestion?

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  • kevin619 Feb 10, 2009

    My son was playing the Wii when the TV whent black. Red power light is flashing steady, I've unplugged unit twice last time was for about an hour still same problem. About 2 years ago we had to have the power sending unit(I think that what it was) repaired since there are no replacement parts available. Any help would be greatly appreciated.

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Your description of events is helpful and points to the power supply as the culprit.  This is probably on a separate board (they are often out-sourced) and may be easy to replace.  You should be able to identify the board since it will be smaller than the main board and have larger components on it including one or more transformers and larger capacitors (plastic shrink-wrapped cans of different sizes).  

If you want some confidence before rushing out to buy one or have this one repaired, you could pick up a can of 'freeze spray' from any electronics supplier (Radio Shack may have it too), pull your set from the wall, loosen the screws on the access panel behind (don't remove it; that may improve cooling and temporarily mask the failure), keep the freeze spray handy so if it fails, you can pull the panel and start spraying the PS board. I'd start with the small to medium sized capacitors since these are often at fault once aged. 
Good luck-

Posted on Feb 13, 2009

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