Question about Toshiba 42H83 42" Rear Projection HDTV-Ready Television

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42h81 the blue lamp will not converge on my 42h81, does the lamp need to be replaced? ed

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I am having the same problem with my red lamp. i get an error on the touch focus and I cannot manually converge the red lamp.
let me know if you find out a way to fix the problem

chad

Posted on Jan 02, 2008

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Posted on Jan 02, 2017

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Do lamps have adjustment? I have a yellow and blue rainbow effect along bottom of screen. I am pretty handy and well equipped.


This would be a convergence adjustment. Check your user menu on the tv. Look for an item under video settings for a something called "Converge" or "Convergence". See if you can adjust it enough to fix the problem. If not, you may need to access the service menu and adjust from there.

Feb 16, 2011 | Toshiba 42H81 42" Rear Projection...

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Toshiba model 42H81 projection tv receiving blue and yellow shadows on screen.


Convergence is dead.Know how to solders?Must replaced the 2 convergence ICS and all it resistors.Tv Repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300 for parts and labors.

Feb 06, 2010 | Toshiba 42H81 42" Rear Projection...

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Double picture red and blue, not converging


Try adjusting the convergence. If it won't move see below- (or hitting Magic Focus for some Hitachi’s)

This sounds like 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

Oct 06, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

There is blue yellow color blur on the screen with cable or dvd


Hi,
This problem is of "CONVERGENCE". You have to replace the convergence IC's which is better to buy a new one TV, Just contact any expert and replace the convergence IC's and your TV work fine again you need not to buy a new TV.
Thanks for using fixya.

Jul 24, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

2002 Toshiba 42H81 color blue will not align


one of the amplifiers on the convergence circuit is not working

Dec 02, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

Convergence problems


you need to replace both of your convergence ICs they are STK392-110 you can get new replacements at the following link and they provide free instalation instructions with pictures. Heres the link
http://servicemanuals.vstore.ca/

May 29, 2008 | Toshiba 42H81 42" Rear Projection...

2 Answers

Color convergence alignment


change your convergence ICs that should solve your problem.If you need more info let me know.

Apr 08, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

Toshiba 42h81


Heckler, your tv has blown parts in the convergence circuit so you need to stop pulling plugs or you will do more damage to the set. The convergence IC`s will need to be replaced and probably 1 or 2 support resistors, Then the set will have to be re-converged, the shop you talked to is correct that it`s a common problem, mine failed 8 months ago in my 53" Hitachi. $400 to do that repair is pretty pricey BUT it really depends on where you live, Major sized city`s charge big rent, taxes are higher etc. etc. so tv shops overhead is higher, I would get out the phone book and start calling all the shops in your area for price quotes. Any questions??? email me back, hope this helped, Happy Holidays BMW Rider

Dec 01, 2007 | Toshiba 42H81 42" Rear Projection...

1 Answer

Toshiba 42H81 42 in. Rear...


If you are referring to the convergence alignment of red,green and blue........will require technical and mechanical skills.....
1) Pull chassis
2) Replace both STK392-110 convergence IC's
3) Reset alignment as needed........................................T.

Nov 23, 2007 | Toshiba 42H81 42" Rear Projection...

1 Answer

TV ALLIGNMENT


you have bad convergance problems solder bad connections if that dont work then replace the convergance ics

Nov 03, 2007 | Toshiba 42H81 42" Rear Projection...

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