Question about Toshiba 43HX71 43" Rear Projection Television

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Ghosting, double images on my Toshiba rear projection TV

I have a Toshiba model 42H81. Now it has developed a ghosting problem. When I push the Touch Focus button, it cycles through then says touch focus error. Is it time for a new TV or is this an easy fix? Thx in advance for your help.

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  • mjouaneh Jun 27, 2009

    Thanks for your quick reply. I don't understand what you mean though. Can you exlain? Thanks again.

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Conv.out.ic(2).resistors:low imp.

Posted on Jun 27, 2009

  • Nick Novikov
    Nick Novikov Jun 30, 2009

    q751,q752-stk392-110.replaced with:stk392-150.check resistors:r7710,7715,7720,7725,7730,7735-2.2ohm.,r7711,7716,7721,7726,7731,7736-1.8ohm.

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1 Answer

The picture is "ghosting" or doubled


The tv have a problems known as a convergence problems,it dead.The tv have colors lines R,G,B mis alignment,have colors shadows pictures or 3D pictures look alike.The tv convergence board have dead 2 STK convergence ICS and some or all it resistors too.These parts on the tv convergence board,must be replaced to solved the tv picture convergence problems.The shop,will cost like $300-350 for parts and labors.

Nov 12, 2010 | Toshiba 42H81 42" Rear Projection...

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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.

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This may be a convergence issue but it is difficult to determine with that description. Watch this video and see if it will help you determine if you have a convergence problem or possible something else.

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you might have a convergence problem. it can be fixed.

Jul 10, 2008 | Toshiba 42H81 42" Rear Projection...

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Where can i get a Screen for toshiba 42pw33p model ??


Hi,

The model number 42pw33p is not a valid Toshiba model number. However, 42H81 is a valid number. The listing below is for model 42H81 ONLY! Double check you number before purchasing.

There are 3 screens that make up the screen assembly The inner screen is the Fresnal Screen. The middle screen is the Lenticular Screen and the outer screen is the Protective Screen. Please click on the links below to purchase these items.

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1 Answer

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Sounds like your describing convergence ICs. They cost about 10.00 each and you will need to replace both of them. And possibly the resistors that power them total cost under 30 dollars if you do he soldering yourself. Hope this helps.

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Your convergence amplifiers have failed. There are lots of posts on this site for this problem. Take a look at this link:

http://www.fixya.com/support/t261950-43h71

There are a couple of links on this post that you will find helpful if you want to repair this yourself.

If you have more questions just ask.

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1 Answer

Wavy, jumpy picture, ghosts, occasional color loss/change---you name it!


Convergence amp ic bad

http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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Bad hyper module = no longer available = have qualified tech
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1 Answer

Toshiba Model # 42H81 Picture Problem


Can you describe the issue a little more? It may be a convergence issue which is quite common on big screens. But there are quite a few issues that can cause a bad picture.

If it's convergence, you'll be able to tell by going to a news channel and looking at the text. If the convergence is bad you'll see a ghosting like image of 2 or 3 letters for each one that should be there.

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