Question about Toshiba 50H82 50" Rear Projection Television

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Toshiba 50H72 Rear Projection Television

Okay, I have a convergence problem with my televison. I know this because I had a projection television before I bought this one adn the same thing happened. It was working fine until this morning and then when I came home for lunch, the bottom half of the picture was messed up. I turned the TV off until I got home and the picture was the same. The red and the blue appear to be fine, but the green is wacked. I called a repair man and he said it would cost 600 dollar to fix it over the phone. Is there anyway to pin point the problem or a way for me to fix it myself? I have a problem with my Toshiba 50H82 Rear projection TV. About 3 weeks ago, the picture was real shaky and out of focus for about 10-15 minutes then it cleared up. The strange thing was that if you split the screen in two, (with the picture in picture function that this set has,) the screen on the right (with no sound,) was perfectly fine,,, Then, about 3 days ago, in addition to this problem, it looks like the Blue projector, is out of focus and bent toward the middle of the screen, It is like a rectangle of blue overcast on the picture, but bent in the middle, with an arc on the top and bottom, like it was squeezed in the middle. The Auto Focus function gives an error when it gets to the blue, and the controls for a manual convergence do not work on the blue. You can adjust the Red but not the blue. What is the problem, and is it fixable? If it is fixable, what is it likely to cost? I purchased this TV from Best Buy and have been very happy with it so far and would rather fix it if it costs much less than another TV. Please let me know if you have a solution, Thanks!

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  • Anonymous May 21, 2008

    yes, my television is like watching a 3D movie without the 3D glasses. Its a big problem because the words on the screen are doubled and the on one side of the television, the images are doubled and in red and blue tint.

  • dylan02 Jun 21, 2008

    was watchin sky tv on sony projecter tele sky channel lost its signal went fuzzy picture because signal lost butwhen picture returned a few seconds later it had the bendey blue line in it cant get it to go its never happened before it was when sky signal broke how do i fix it please any 1 help


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My rear projection tv when watching tv it pushes everything to the middle so, your getting smaller screen but when its on the blue it is showing in full. What could be wrong with it ? It only started doing this, this morning.

Posted on Sep 25, 2011

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I had the same problem so after reading this, bought the STK392-110's. My son and I replaced them and this completely fixed the problem. You could even see where they were burnt out on the circuit board.

It takes someone who knows how to do electronic soldering but the servicemanuals website was very helpful and emailed me instructions. I spent $40 on this repair when it could have cost me much much more.

Thanks fixya!

Posted on Jun 03, 2008

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You will need to replace both convergence ICs they are STK392-110 you can get replacement ICs at the following link and they will provide free instalation instructions with pics and also free on line tech support so you can do the repair yourself. Heres the link.
http://servicemanuals.vstore.ca/

Posted on May 04, 2008

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Posted on Jan 02, 2017

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1 Answer

Toshiba 50h72 has red and blue lines through it


that could be a convergence problem or the hyper module.

Jan 28, 2010 | Toshiba 50H72 50" Rear Projection...

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TOSHIBA 50H72 50IN. REAR PROJECTION TV BLUE COVERGANCE PROBLEM


you have a convergence ampliphier ic failing that will need to be changed and then adjusted
average repair cost for this are 280.00 to 320.00

Jan 20, 2009 | Toshiba 50H72 50" Rear Projection...

1 Answer

The red seems to be out of place on my toshiba 50h72 projection t


Replace both convergence ICs they are stk392-110 you will also need at least the six 1.8 ohm 1watt resistors. You can get replacement ICs and resistors at the following link and they provide free installation instructions so you can do the repair yourself.
heres the link.
http://servicemanuals.vstore.ca/

Jan 18, 2009 | Toshiba 50H72 50" Rear Projection...

1 Answer

Red & Blue lines on screen


stk392-110 i think mine was made in 2002 and i also had to replace mine

Oct 26, 2008 | Toshiba 50H72 50" Rear Projection...

2 Answers

Toshiba 50h72


STK392-110 Convergence ICs you will need two of them. You can get replacement ICs with free instalation instrcutions at the following link.
http://servicemanuals.vstore.ca/

Jun 22, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Toshiba convergence issue model # 50H72


looks like this is your problem http://www.fixya.com/support/t348123-toshiba_50h72

Mar 22, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Toshiba 50H72 50 in. Rear


possibly the STK392-110 ic's? it seems like it is the vertical convergence.
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

Nov 28, 2007 | Toshiba 50H72 50" Rear Projection...

1 Answer

Red convergence will only move up or down


Stk392-110 red convergence IC is bad...normal procedure===

1) pull chassis   2) replace both Stk's for reliable repair

3)re-assemble  4) re-align convergence

 

If you hire a technician, 400.00 is ave. price.

Oct 16, 2007 | Toshiba 50H72 50" Rear Projection...

1 Answer

Toshiba 50H72 Rear Projection Television


no you wont be able to fix over the phone it requires replacement of the stk packs

Dec 04, 2006 | Toshiba 50H72 50" Rear Projection...

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