Question about Toshiba 50H81 50" Rear Projection Television

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Toshiba 50H81 Projection TV

TV is out of focus, Ihave tried the touch focus on the front and get an error. Following the owners Manual step by step I've tried to refocus. BUT the RED cross will not move to either the left or right. can move the blue. but not the red.

Thank You
Don Osborne
donaldeosborne@comcast.net.

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  • 8,617 Answers

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/

Posted on Jun 05, 2008

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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.

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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.


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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/

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Wavy, jumpy picture, ghosts, occasional color loss/change---you name it!


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

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