Question about Toshiba 42HM66 42" Projection HDTV

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Tv unexpectedly powers off

1 yr old TV - approx 6 months ago the TV would power itself off. It was a rare occasion. We changed the lamp and it was ok for several months and now the issue is back again and even worse. It powers itself down after several hours of use. takes several minutes before it can be turned on again and will stay on for maybe 30 minutes or less before the dance begin agains.

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  • Linda Bernadyn
    Linda Bernadyn Apr 24, 2008

    i have the same problem. Sears can`t figure the problem out. replaced 3 bulbs and the ballast. now they are going to replace the power unit hope it works.

  • Anonymous May 16, 2008

    I'm having the same problem...the tv works fine for a couple of hours then it just turns itself off. And after the initial power cycle, it continues to power itself down approx every 15-20 minutes. It take a few minutes to completly power down before you can turn the power back on.. It has been a seriously annoying problem and I am considering purchasing a new TV.

  • mrsbenny May 17, 2008

    MY TOSHIBA 42HM66 SHUTS OFF BY ITSELF ALSO!!!!

    SOMEBODY HELP!

  • zmitchA Dec 20, 2008

    toshiba 42hm4266 same problem but the tv will not come back on it just go through it codes check that all. I have change the light but it still doing the same thing.need the schematic for this model,to find out what wrong.

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Hi i has the same probleme..... My tv has 1 years and 6month... since two days.... the tv turn off itself...I have just take 15minute, unplug tv, and i have open in the right side the little panel...And i have clean inside!!! And i have do the same thing with the big panel in the back of the TV...After i have clean the fan...After this clean my tv is number one... and nothing turn off

Posted on Jun 08, 2008

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Hi, i suggest to you just un plug your tv... and open the little pannel in the right side of you tv....(Not the side of the lamps, otherside!!) and clean and remove the dust overload on the little hole

Posted on Jun 08, 2008

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