Question about Toshiba 43H70 43" Rear Projection Television

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Toshiba 43h70 convergence

How do you replace the convergence and where do you find the parts to do it?

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I've been getting parts lately from http://www.partstore.com/ and they seem to be reliable and trustworthy. The Part will probably only cost probably around $5-10 a convergence chip and a couple hours of labor.

Posted on Jun 21, 2008

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My Toshiba 43H70 started having the blue bow up at the bottom. Green and red are good. Convergence will move it a little, but not enough. Any ideas?


Your convergence has failed and needs to be repaired. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from www.TvRepairKits.com and do the repair yourself. Its a fairly easy DIY fix.

Jul 18, 2011 | Toshiba 43H70 43" Rear Projection...

1 Answer

I HAVE A TOSHIBA 43H70 I BOUGHT IN 2001 AND THE RED AND BLUE ARE OFF ON THE RIGHT SIDE. I HAVE TRIED TO USE THE CONVERGENCE BOARD TO STRAIGHTEN BUT MY RED WILLNOT MOVE TOWARD THE BLUE OR GREEN. ON NUMBER...


This tv the convergence board are dead.Any colors R,G,B mis alignment,don't matches any colors lines.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts are dead,must be replaced to solved convergence problems.The Shop will cost u $300-350 for parts and labors.

Jul 08, 2010 | Toshiba 43H70 43" Rear Projection...

1 Answer

I am getting ready to replace the 2 STK392-110 IC for a convergence problem on my Toshiba 43h70. Where would I locate these two ICs so that I can save time trying to find them.


on the signal board. you need soldering iron and lead. make sure you won't short the STK pins..good luck :) and also check pico fuses.

Dec 29, 2009 | Toshiba 43H70 43" Rear Projection...

1 Answer

I replaced the stk chips on my toshiba 43h70 and the convergence is worse than before. Any suggestions?


check your soldering,look for any burnt resistors,open traces,small elecrtrolytic caps

Nov 18, 2009 | Toshiba 43H70 43" Rear Projection...

1 Answer

Convergence problems on right side of toshiba 43h70 43


Hello, its very possible there are other color alignments thats out of ajustements and certain color lines will affect each range of alignment and
you will need a tech to come out and check the control unit on your set.
BWLY

Jan 23, 2009 | Toshiba 43H70 43" Rear Projection...

1 Answer

Replaced convergence amps, no pic


Go over your soldering and make sure none of the pins are connected by a solder splash.and that all plugs are seated and that no picos are open...

Oct 19, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

Toshiba 43H70


You need to replace both convergence ICs numbers STK392-110 . You can order replacements at this link I am enclosing. They provide free installation instructions and offer free on line instan messaging while youre doing the repair. I am one of thier Techs. This job takes about 45 minutes from start to finish. heres the link .
http://servicemanuals.vstore.ca/

Apr 13, 2008 | Toshiba 43H70 43" Rear Projection...

1 Answer

Toshiba 43H70 Picture Problem


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
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

Jan 28, 2008 | Toshiba 43H70 43" Rear Projection...

1 Answer

43h70 theatherview hd ser 53704921


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
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

Nov 02, 2007 | Toshiba 43H70 43" Rear Projection...

1 Answer

43H70 Blue Convergence out of line and will not line back up


If the blue colors will not line up, and the blue appears to sag inward from one or more sides, then you can bet that one of your convergence IC's has either cracked loose or burned out. The IC should be resoldered or replaced and the convergence realigned by someone experienced with projection TV convergence circuits.

May 21, 2007 | Toshiba 43H70 43" Rear Projection...

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