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

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Toshiba 42H83 model projection HD tv has a bad wavy picture.

The touch focus does not help, I think it's the vertical hold. Can this be fixed?

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  • Anonymous Mar 11, 2009

    I bought my toshiba tv 6 years ago and I am not experiencing problems with the convergence.

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Yes it can be fixed call a repairman and have them come out and repair it.it shouldnt cost more than a couple of hundred dollars to fix

Posted on Feb 01, 2009

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Toshiba 42h83.... The blue convergence will not line up. The horizontal will but the vertical will only move so far. when touch focus starts the reds and greens are perfectly strait the blue vertical is...


bmarino18,

Initially I would have told you to replace the convergence ICs but after reading your post carefully I think you could have a problem with the convergence box. The lines can only be bent/curved for two reasons. One - the yokes are bad causing an undue strain on the power supply and not being able to correct the problem. Two - the convergence box/board is bad and is not holding the settings causing the curve you see. I cannot tell you which problem you have. You wil have to determine this. I do have a tip at http://www.fixya.com/support/r4273935-replace_digital_convergence_box which may be helpful.

Thanks for using FixYa and for the great rating.

hardrocko

Dec 08, 2010 | Toshiba 42H83 42" Rear Projection...

1 Answer

My Toshiba 42H83 has developed a color problem. The color blue is about an inch off the other colors, the picture looks like a 3d movie without the glasses. I have used the touch focus button on the...


Alot of rear projection t.v.'s have a convergence option in the menu on the t.v. There you can set the try to set the colors back how their supposed to. Mine has a cross in the middle of the screen and you just have to try to get all 3 colors to line up. Unfortunately, the actual lens inside mine has to be aligned so it doesnt work. Just something to try though, hope it helps.

Jan 05, 2010 | Toshiba 42H83 42" Rear Projection...

1 Answer

Convergence issues with Toshiba 42H83 - Red lines will not align


Absolutely! if the consumer control has failed to rectify the problem you need expert help. There are two control boards near the power supply 1 or both are involved and more than 90% of the time both of the boards have to be replace otherwise the problem will occur again in a short time.
It is not a DIY project for the unskilled as it has to be tuned correctly when it is installed.
Better to leave it to the professional

Please rate the help to keep the FREE service online ++++

Aug 31, 2009 | Toshiba 42H83 42" Rear Projection...

1 Answer

Toshiba 42H83 Touch Focus Problem


I just got finished repairing the same model . The convergence modules are bad cost of repair is 250.00 for a service center to fix. My advice would be call your local service center tell them what i told you bad convergence ic and ask them how much they charge,


thanks doctor video good luck since 1987

Jun 14, 2008 | Toshiba 42H83 42" Rear Projection...

1 Answer

Double outline "red" around images


Hi you have bad convergence ic stk modules ,Cost for repair center to fix is 250.00. call your local repair center ask there prices on convergence ic repair. It is a very common problem every 3 to 5 years .Our service center does a lot of these.


thanks doctor video 1987

Jun 01, 2008 | Toshiba 42H83 42" Rear Projection...

2 Answers

Toshiba 42 inch rear projection T.V.


this sounds like a convergence loss... the most likely cause of this is what is known as stk's or convergenc ic(chips) have gone bad.. also it cound be the output resistors. most likely need replaced

May 12, 2008 | Toshiba 42H83 42" Rear Projection...

1 Answer

42H83 auto touch focus ERROR and hyper board bad?


repleace cap for $ 80 , thats good , the error is do to comvergenge aligment

May 03, 2008 | Toshiba 42H83 42" Rear Projection...

1 Answer

Tv has wavy lines 6" from top and sometimes from the right side a wavy line


heart ach... of having bad convergance amp ic's
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/

Dec 20, 2007 | Toshiba 42H83 42" Rear Projection...

1 Answer

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

Dec 12, 2007 | Toshiba 50H81 50" Rear Projection...

2 Answers

Toshiba 42H83 42 in unstable video


Probable PIP sister board.Moderate skill & some tools needed.Advise==get a senior tech near you.

Sep 10, 2007 | Toshiba 42H83 42" Rear Projection...

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