Question about Toshiba 57H82 57" Rear Projection Television

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Convergence I think...

Greetings from Sacramento. I just got a FREE 57h82. There are 3 distinct colors that overlap by a few inches. This tells me all tubes are working. The set was moved approx 40 miles and I have heard this may be a simple issue involving a lens and caused by tilting the set whilst moving. I have also heard the Convergence Modules may need replacing. I would like to attempt this myself to save $$. Can you advise some trouble shooting ideas so I can start looking in the right direction?

Thanks for any sage advice!

blue skies
donovan
greenfeetpilot@gmail.com

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If you are not able to adjust the alignment back into position with the convergence adjustment menu, you will then need to replace both stk392-110 convergence ICs. You can get replacement ICs at the following link with free instructions.
http://servicemanuals.vstore.ca/

Posted on Sep 26, 2008

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1 Answer

Hitachi 60 inch projection has a blue ring overlapping the screen and colors are off on it any idea how to fix?


Have you checked the convergence? Typically when this happens, the TV has been moved, or bumped hard, and things have gotten out of alignment. Occasionally, it'll happen because of a power outage or flicker.

Convergence should be found in the setup or video menu.

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Words are duplicated about 3 times in 3 different colors as if the colors are not overlapping each other correctly. Was working perfect, moved the TV and now weird picture.


This model uses two of the STK-392-560 CHIPS FOR CONVERGENCE. See attached photos.

Total parts cost for do it yourself on Ebay is under 25 dollars.

I can tell you how and what to do.

If the pictures which show convergence problems or what I have told you help, rate this solution as very helpful as I do this here for free.

SD TECH



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1 Answer

Colors seperate


Yes, this problem is fixable.
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My TV PT-56, I'm not sure if it is the colorwheel or the convergence. The color green overlaps with purple and someone mention color wheel what do you think?


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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  • 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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http://www.tvrepairworld.com/

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The colors are overlapping each other in pink and blue on my tv. i was hoping you could tell me what part i needed.


It just sounds like your convergence is off. You should have a convergence feature on the menu.

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WT 46809


If you can solder or know anyone who can you can repair this set easily for less than 20.00 All you need are 2 convergence ICs that take less than an hour to remove the old and replace the new ones. If you would like to have a service manual emailed to you for your model. You can buy one at the following link for 10.00 or 12.00 dollars and they will also provide you with free unlimited support to help you with your repair. here is the link.
http://servicemanuals.vstore.ca/

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