Question about Toshiba 42H81 42" Rear Projection Television

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No image on my TV

I have a toshiba 42H81, the sound is perfect but it has a distortional image. You can hardly see some shapes.
How can I fix this problem?

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  • Anonymous Dec 09, 2007

    WHEN THE UNIT IS TURNED OFF IT TAKES ABOUT AN HOUR TO WARM UP AND THE PIK. TO STOP SHAKING AND WHEN IT DOES THE SO-SO PIK. IS STILL SHAKING ON THE SIDES AND I CAN NOT MAKE UP SOME SHAPES OR NUMBERS

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Bad hyper module = no longer available = have qualified tech
rebuild yours = replace bad caps on board...............T.

Posted on Dec 18, 2007

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1 Answer

It distorts at tedge of picture anoying


The lenses from the optic engine of this tv are made out of plastic - in time, due to the heat generated by the lamp, they warp, producing distortions in the image. This is a very expensive repair, over $500 for a complete new optical engine, way too much in my opinion for such an old machine. 
Keep using it as is while you save money for a new one then junk it.

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

1 Answer

Toshiba rear projection tv has red and blue on the tv


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

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

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 24, 2010 | Toshiba 42H81 42" Rear Projection...

2 Answers

Distorted sound


Poor signal or poor connection to the cable probably. Could also be a speaker issue or the audio board on the tv is failing.

Most likely just poor signal or poor connection on the cable.

Oct 13, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

Toshiba TV Model 42H81 will not focus


Ur convergence it dead.Buy the kit and replace the ICS an the resister.Focus don't go that far.

Aug 11, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

Bottom left corner of my toshiba 65h83 is blurred with color distortion mainly magenta and green. Distortion Is a half moon shape with the open end facing the edge of the set. Total distortion takes up...


Have you tried the "Magic Focus" Button/Option in the Menu Setup Screen? If you have and it still is there, You Have a Burned out Color Tube. It is Cheaper to Throw it away and Buy a New one.
Good Luck..

May 12, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

Picture distortion


This is a convergence problem which will require soldering of convergence amps. Occasionally, you can get away with just resoldering the pins of the convergence i.c.s, and other times you must not only change the chips, but also replace burnt resistors in that circuit. In most cases you can get a reputable shop to do this repair for 200-300. Good luck, Russmann.

May 05, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

Toshiba 42in 42H81: Tv needs to warm up?


You have a common problem with this set. The cuicit known as the hypermodule is failing or more specific 11 micro capacitors on this board is failing. it would be best to replace that board but,,,, that board is hard to find. we at the shop or most shops can repair that board. average cost at my shop run you 220. I cannot recoment this repair for a novice. The soldering requires a magnifer twezzers and experience, I have damaged a couple hypermodules before i finally was able to fix one, very delicate and like i said unavailble. Like i said this is fixable. you can contiune to watch but the "warm up time" will get longer

Nov 17, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

Toshiba 42h81


have you try to switch it on using the contol on the tv..?

Jul 20, 2008 | Televison & Video

1 Answer

Toshiba 42H81 - Constant jumping picture on scren


it needs the hyper module replaced might as well have em do the stk packs too its too old to be a lemon the part that was replaced was not new it was in someone elses tv and had problems there too the trick is to find someone that will fix it so it lasts

Dec 05, 2006 | Toshiba 42H81 42" Rear Projection...

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