Question about Toshiba 50H81 50" Rear Projection Television

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Focus error 50h81 toshiba red line problem - Toshiba 50H81 50" Rear Projection Television

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Tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows or have 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts must be replaced on the tv convergence board to fix it.To solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Posted on Jan 01, 2011

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Posted on Jan 02, 2017

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The touch focus on my 50h81 says touch focus error, the red vertical is crooked. There is a red and touquoise line surrounding everything on the picture.


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

Mar 15, 2010 | Toshiba 50H81 50" Rear Projection...

1 Answer

My Toshiba 50H81 screen black, no sound & power light blinking


sounds as if your power supply needs to be repaired. the capacitors over heat and crown or leak.

Jan 01, 2010 | Toshiba 50H81 50" Rear Projection...

1 Answer

The red will not line up when it is in the


You have a yoke and screen voltage issue with your red crt tube. If the red moves but not enough to do the convergence then you may be able to adjust the red crt. If the red doesn't move at all when you try to do the convergence then you most likely have bad convergence IC chips that need to be replaced. They aren't expensive, the last pair I did cost $36, but it involves taking the set apart and doing some tedious soldering. If you have no experience with this sort of repair you may want to go to a shop, They will charge $300-$400 to replace the IC chips. If you want to try this yourself post back and I can help point you in the right direction. 

Nov 29, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

Replaced stk's but I still can't move the red vertically


Did you replace both the convergence ICs ?
The auto-focus won't work properly until BOTH Convergence amps are replaced .
Also you need to replace various resistors along with it .

Feb 25, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

Red is out of focus


the 50h81 convergence kit will work for your model
you can get the kit at the fllowing link with free instructions. heres the link.
http://servicemanuals.vstore.ca/

Jan 22, 2009 | Toshiba 43H71 43" Rear Projection...

1 Answer

Toshiba 50H81 access to lenses


Hi Dan,
I emailed you 2 ideas, how to get approach lenses for focusing.
Hope that would be helpful to you.

Dec 07, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Convergence problem


Replace the Convergence amplifiers. Mine did the same. It was like watching a 3D movie without the glasses. It is not hard to do for someone who knows their way around a circuit board repair. Otherwise call a reputable service shop.

Jun 17, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Toshiba


your convergence ICs need to be replaced. There are two of them they are both STK392-110 you can get replacement Ics and free instalation instructions at the following link.
http://servicemanuals.vstore.ca/

Jun 05, 2008 | Toshiba 50H81 50" Rear Projection...

1 Answer

Toshiba 50H81 Projection TV


youre convergence ICs need to be replaced there are two of them they are both STK392-110 you can get replacement Ics and free instalation instructions at the following link.
http://servicemanuals.vstore.ca/

May 24, 2008 | Toshiba 50H81 50" Rear Projection...

2 Answers

Touch focus


I thought this was a place to get help not yelled at!

Jun 05, 2006 | Toshiba 50H81 50" Rear Projection...

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