Question about Toshiba 40H80 40" Rear Projection Television

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Convergence problem- right side red out?

I can't seem to get my 40H80 Toshiba to coverge red on the right side?
left and middle seem to be fine, but the right side is out and I can not bring into alignment with the remote.... Any suggestions?

TX
K

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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

Posted on Jan 02, 2008

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

1 Answer

40wh08b convergence problem


Convergence IC's need replacement = STK392-110 original #...
Use name brand Toshiba, NAP, or upgrade to STK394-160E
Hitachi part # CZ 01341...no cheap generics..they won't hold up..
Chassis pull and some precision soldering will be needed....let me know if you need further info...........................T.

Dec 27, 2007 | Toshiba 40H80 40" Rear Projection...

1 Answer

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.

Mar 19, 2010 | Toshiba 40H80 40" Rear Projection...

1 Answer

Toshiba 51h84 "Crooked Picture"


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1 Answer

Red and Blue seperate and picture curved toward the middle


You have a hardware problem, you cannot fix it using the menu. in fact you could make it worse.

Try googling DIY convergence repair if you can solder.

If not then call in a pro, about $300

Jul 12, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

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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.

Feb 24, 2008 | Toshiba 40H80 40" Rear Projection...

1 Answer

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replace c449 and also the damper diode

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1 Answer

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Yes the IC's and possibly the fusable resistors went out on the convergence board of your TV set. If you have soldering experience and some pratical electronic's experience I would say go into the set find the Two stand-up STK###_### IC's and replace them. Bur if you have no experience, leave This repair for the pro's. They should replace both IC's at once and should cost somewhere arounf $250.00 to $375.00 to repai.. Good Luck

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