Toshiba 40H80 40" Rear Projection Television Logo

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Cindy McPhail Posted on Apr 07, 2007
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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?

  • 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.

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  • Posted on Apr 08, 2007
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Need to replace 2 stk392-110 convergence ics

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Toshiba 40H80 TV - looking for original remote.

You can buy them at any of these sites:

http://www.toshiba.newremotecontrol.com/catalog_item.php?catnum=23306458

http://www.remotes.com/store/toshiba/40h80.html

or ebay


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Toshiba 40

Convergence amp ICs need replacing and quite possibly the resisors that power the IC as they usually burn open when the iC goes out. You will need two ICs. Let me know if you need any more info.
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Yellow shadow

Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=
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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.
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Toshiba 50H82 blue arcing?

color shadows on numbers or letters indicate a possible convergence problem.. might be a crt deflection problem.
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replace c449 and also the damper diode
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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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