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My 19 inch poloroid tv turns on fine and has a great picture. After 2 or 3 minutes the screen goes dark but i can still see it in the background and still hear the sound.

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The back light or inverter is most likely failing. That is assuming that you have a LCD tv.

http://www.inventgeek.com/Projects/BacklightFix/Overview.aspx

if you don't have a LCD tv then this advice is not valid for your tv.

Posted on Jun 19, 2009

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The tv have 1 or 2 long boards call the LCD inverter boards.These 1 or 2 long inverter boards are dead.That why the LCD screen not getting a backlight to produced a picture.Replaced those 1 or 2 long LCD inverter boards,will get a baklight back and have picture.Tries websites like Shopjimmy.com,Ebay.com buy those refurbishes 1 or 2 long LCD inverter boards for the replacement.

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Dark background blue tint


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