Toshiba 57H81 57" Rear Projection Television Logo

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Posted on Jul 26, 2008
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Convergence problem with a Toshiba 57h81

The Tv was given to me and it had the convergence problem when i got I and I would like to try to fix if i can. I took it to a tech. that did not look at but told me that it a convergence problem. by what I told him. Is their a way I can tell what the problem is. and try to fix

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Sonny Berry

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  • Toshiba Master 8,617 Answers
  • Posted on Jul 27, 2008
Sonny Berry
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Joined: Jan 03, 2008
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You need to replace both convergence ICs. they are both STK392-110 ICs you can get replacements at the following link with free instalation instructions with pictures so you can do the repair yourself. here is the link.
http://servicemanuals.vstore.ca/

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I have a Toshiba 57H81 57 in. Rear Projection Television. The picture started having "squiggles" in it, which at first went away after the T.V. "warmed up". Now they appear to be...

Ur tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 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 replace on the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.
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Install the convergence repair kit for your model. You can get the convergence repair kit for your model at www.tvrepairworld.com which also comes with instructions.
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The convergence ICs and the six 1.8 ohm 1watt resistors need to be replaced. You can get the convergence repair kit for your model at www.tvrepairworld.com which has the Two Convergence ICs and the six resistors plus the CD with instructions on how to do the repair.
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convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html
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I have a 57h81 no picture no sound red blinking light

dont have the board number but it's the one with the silver heatsinks
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
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com

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Touch Focus/manual convergence

· 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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