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

Posted on Aug 20, 2009

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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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1 Answer

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
  • 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

Feb 19, 2010 | Akai PT5598HD 55" Rear Projection...

1 Answer

Ghost / Overlapping Image


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

 

Oct 12, 2007 | Samsung HCN4226W 42" Rear Projection...

1 Answer

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

Jan 10, 2010 | Samsung HCM4216W 42" Rear Projection...

1 Answer

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

Sep 27, 2009 | Toshiba 65H82 65" Rear Projection...

1 Answer

Double images


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

Feb 16, 2009 | Samsung HCM4215W 42" Rear Projection...

2 Answers

Funny colores and shades on my Toshiba projection TV


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

Jan 30, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

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

Dec 06, 2008 | Toshiba Televison & Video

1 Answer

Projection lights


You need to take the Toshiba remote that came with the machine and go into a menu area that deals with convergence. Here's what the manual says:

This TV used 3 separate TV tubes, red, green, and blue. The R, G, and B images are pojected onto the screen wheree they converge to form a full-color picture. You can see a clear picture only when the three images converge correctly. Corvergence my drift over time, or if yo move the TV. I you can see clear images on your TV screen skip this procedure.

Make this adjustment only after the TV as been on for at least 30 minutes.

Press the TOUCH FOCUS (auto convergence) button on the front of the TV at the bottom.
The TV will enter into the convergence mode and adjust the converge automatically (that's what it says.)

TO ADJUST IT MANUALLY:

Press MENU, and the press < or > until the PICTURE menu appears.
Then press UP or DOWN to highlight CONVERGENCE.
Press < or > to display the Center Convergence menu

There's a lot more the book says, but, I can say from experience that you just go through the different sub areas of this menu and converge each color separately, and bingo, it's fixed.

Good luck.

Sep 06, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

3 images in the primary colors


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

Feb 16, 2008 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

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

Nov 21, 2007 | Toshiba 42H83 42" Rear Projection...

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