Question about Toshiba 40H80 40" Rear Projection Television

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Is it worth keeping???

Hi there, i hope you can help,

i have a Toshiba 40H80 Rear Projection Television and recently ive had problems with the convergence.....let me explain...
The coulors are fine apart from it has a blue/yellow shadow???
when i try to adjust this the blue will not link up too the rest of the colours in the middle(it wont go right).
I have looked at the 2 solutions which poeople with sim problems have been given by this website.
i dont fancy thumping it as i dont want to make it worse and secondly i dont really want to open it up like the other tech guy told someone on here as im useless with that kind of stuff.....
Please please please could you let me know either pay someone to come out and look at it to fix it or just get rid of it???
Or if you can suggest anything for me it would be really greatful
thank you
paul

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  • Toshiba Master
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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.

Posted on Feb 03, 2008

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Posted on Jan 02, 2017

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1 Answer

Toshiba 40h80 red light blinking


I would suspect the problem is in the convergence circuit---only one simple way to know---get at and un-solder all 18 pins on both the STK chips it uses.

Once they are free try to turn set on--if it comes on one of the chips is bad and both will have to be replaced.
12_6_2012_12_54_51_am.jpg

Dec 05, 2012 | Toshiba 40H80 40" Rear Projection...

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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 World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost U $300 for parts and labors.

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You need to replace both convergence ICs they are STK392-110 you can get new replacement ICs that come with instalation instructions with pictures at the following link.
http://servicemanuals.vstore.ca/

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A convergence problem is very commond. In most cases the convergence output amplifer IC's need to be replaced. This is not something you should do. Call a repair shop.

Apr 15, 2008 | Toshiba 40H80 40" Rear Projection...

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As long a the picture is not bowed you may have a convergence module bad or have to enter convergence service menu to adjust If bowed at all the convergence ic's are bad or just a resistor in the convergence circuit is out of its value. These are possibilities but it still could be the ic's

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