Question about Toshiba 40H80 40" Rear Projection Television

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Color Problems My Toshiba 40H80 is showing a blue shadow on everything. It was fine the night before, the next day this blue shadow is on everything. I have tried using the convergence on my remote, but it will not fix it. Is there anything I can do?

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  • goingabout Dec 19, 2007

    I also have a 40H80 Toshiba with a color issue. Mine is a pink highlighter effect on the one side of the screen. I went into the convergence adjustment on the TV and it made it a little better, but still not good.

    My question is how hard is it to replace the ICs? Are they soldered into a board or just set into a board?



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No they are soldered in the board, I am having same convergence problem also on a 51" Panasonic. I am trying to figure out how to get at the IC chips to replace them. Found a cool video on youtube..on convergence problems, and found parts on Ebay ..the STK392-110 ones....i hope this helped..thanks..John.

Posted on Feb 12, 2009

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Need to replace 2 stk392-110 convergence ics

Posted on Apr 08, 2007


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My tv toshiba 40h80 the red and yellow line up but the blue doint it moves up down but i caint get them to line up with the reds and yellow.

Ur convergence is dead.U must know how to solders?Must replaced 2 STK convergence ICS and some or all it resistors.Tries Websites Tv repair, to buy a convergence kit to repair it ur self.The shop will cost U $300 for parts and labors.

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Is it worth keeping???

I would suggest calling a repair shop explaining in detail what your problem with the set is and see if they can give you an accurate estimate on what the cost would be to repair your set.

Feb 03, 2008 | Toshiba 40H80 40" Rear Projection...

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Nov 19, 2007 | Toshiba 40H80 40" Rear Projection...

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No pic but sound :/

You are having a high voltage problem. Quite possibly in the horizontal deflection. I would check the horizontal output and regulator transistors.

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Sounds like you have a bad tuner. It is not uncommon for solder joints to deteriorate over a period of time and loose continuity. If you are handy with a soldering iron, you can try to fix it yourself but I really recommend leaving it to a professional.

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