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

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Toshiba 42H83 My toshiba 42H83 recently starting having an alignment problem where I can see a shadow image in red out of align of the rest of the picture. Is this an easy fix?

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Re: Toshiba 42H83

Most projects in life are "easy",if you know how.Chassis will have to be pulled,convergence IC's replaced w/top quality parts to prevent recall.Some excellant soldering will be needed for prevent maintenance,for instance,the steel jumper wires feedig b+ to convergence IC's. RE-align in servicer mode==final step.

Posted on Sep 29, 2007

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My tv image is showing shadows in red, blue and green. I tried to align my image and it said there was an error. Do I need new bulbs or is it a more serious problem.


Your convergence circuit is bad. I have a tip at

which explains the problem, how to repair it and where to get the parts at the best price.

Thanks for using FixYa and for the great rating.


Feb 28, 2011 | Toshiba 42H81 42" Rear Projection...

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Yellow circle in the middle of the screen. It has

Not sure if this will help...

Projection TV sets have several common problems listed below.

Problem #1) Convergence


  • Screen Looks 3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - TV makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms

  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...


Mar 06, 2010 | Toshiba 42H83 42" Rear Projection...

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Since this morning my Toshiba 42H83 TV's picture is blurry and has red and green shadows. We have checked all connections and unplugged all devices.

Go into the customer menu for the TV. Select convergence and if you find the colors are skewed or will not align you have a convergence problem.

I am going to post a few photos here of what this looks like--not all will look the same but you will know if it is your problem.

If it is your problem I can tell you what is needed to fix it--for many it can be a do it yourself repair.

If this information helps you rate this solution as I do this here for free.



Dec 23, 2009 | Toshiba 42H83 42" Rear Projection...

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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...

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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...

1 Answer

Toshiba 42H82 convergence problem

Replace STK convergence IC's w/OEM or better parts.Senior tech soldering ability needed. Ex==Steel jumper wires feeding b+ to conv. IC's need resolder to prevent call-back.Also, best re-alignment done in service mode==consult service literature.

Sep 19, 2007 | Toshiba 42H83 42" Rear Projection...

2 Answers

Toshiba 57h82

your convergence amp ic's./if you want to cheat/align the other two colors and manualy move the green yoke rings on the green picture tube neck so the green cross aligns with the red and blue.,they shuold form white when all three are aligned,on top of each other.

Sep 13, 2007 | Toshiba 57H82 57" Rear Projection...

1 Answer

42 inch Toshiba 42H82 rear-projection TV

Very rare to have a "tube" problem--is the real issue red/green/blue mis-alignment?? If so,please read solutions written by me for same or similar problem,includes many different Tosh models.

Aug 29, 2007 | Toshiba 42H83 42" Rear Projection...

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