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

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Toshiba 42 inch rear projection T.V.

The colors have separated, several images on screen. No matter how long the T.V. stays on, the image does not clear up. Sound is normal.

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  • Mayme Tindall Mar 14, 2009

    after 45 minutes the picture turns green

  • Mayme Tindall Mar 14, 2009

    the picture turns green after being on 45 minutes

  • kujayhawk Mar 28, 2009

    tv just turned off while we were watching it. the red light by the on/off button is flashing. when you push the button to turn it on again, it makes a sound like it's going to come on, but doesn't. then the red light starts flashing again

  • alpana00 Apr 02, 2009

    I have the same problem. This is the second time this has happened however the first time it was covered under warrenty and now it is not. I got a quote to fix it and it is approx $350-$400.

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Toshiba Model # 42H83 I got a Touch Focus Error

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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

Posted on May 12, 2008

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GREEN IMAGE AND RED IMAGE DO NOT LINE UP ON SCREEN. SEPARATED BY SEVERAL INCHES.TRIED


This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
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You can see some examples and find a fix here...

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

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ok you have defective convergence crrection circuit! or maybe the RF Box is defective! can you describe the color of the ghost?

 

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This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
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...

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

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When we turned on our set, the image has a shadow,


This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted

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

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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Green wavy images on the screen? Convergence is fine but there is a warped green image of everything on the screen.


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

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Double images


you will need to have the tv re converged to make the picture right call a repairman

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the convergence tube is the faulty part in this case a new convergence tubes replacing is required.

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48 inch toshiba with color alingment problem


Hello:

Thanks for this forum.

I have a Toshiba 48" rear projection TV which started to show red and green lines on the left side of the screen and have also started affecting the left-hand focus of the image shown on the screen. I have had this TV for 14 years and had a projection adjustment done once before.

Thank you in advance for your assistance.

Ed Alexander

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1 Answer

3 images in the primary colors


Your convergence amp ICs are bad they need to be replaced.

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Double image - not covergence


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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