Question about Toshiba 55H70 55" Rear Projection Television

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Convergence problem w/55h70. red is ok but can't fix blue. Is there a component or board that is easily replaced?

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Yes,U have some basic machanicals skills?The Toshiba Tv convergence board,it call a Hyper board.Try website Ebay.com to buy a refurbish board.This board no longer produced by Toshiba,if can't find it.The Convergence 2 STK ICS,and some or all it resistors,must replaced manually.Must have tools,and knowing how to do basic soldering,to do this.

Posted on Apr 06, 2010

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Posted on Jan 02, 2017

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

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

Oct 25, 2010 | Toshiba 55H70 55" Rear Projection...

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Aug 29, 2008 | Toshiba 55H70 55" Rear Projection...

1 Answer

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sounds like the convergence ICs are defective and need to be replaced, they are STK392-110 you can get replacement ICs at the following link that include free instalation instructions.
http://servicemanuals.vstore.ca/

Jun 06, 2008 | Toshiba 55H70 55" Rear Projection...

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Jan 27, 2008 | Toshiba 55H70 55" Rear Projection...

1 Answer

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so you missing the green is is either a bad connection on the green crt or convergence amp ic bad
do this first
http://www.riddledtv.com/repair/journal/Toshiba51H84/index.html
then if that doesnt fix it
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 23, 2008 | Toshiba 55H70 55" Rear Projection...

1 Answer

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1 Answer

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1 Answer

Toshiba 55H70 convergence problem fixed but now vol.is gone


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