Question about Toshiba 42H81 42" Rear Projection Television

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Toshiba 42h81 When I try to do the convergence a few of the green "X"s are not where they should be and I can not match them. When I called a repair shop they said it was something that comminly goes out that costs like $400.00. I am just hoping to find a cheaper way to fix it.

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  • geetwist Dec 09, 2007

    ive tried to line the x up but the ones down the middle will not line up i cannot get just the blue ones to move

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Replace convergence IC's = requires chassis removal =
Usually about a 400.00 job.................T.

Posted on Nov 23, 2007

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My picture is wavy and out of focus. when i touch the auto focus it goes through the function but ends with failure. it is a toshiba 42h81.


The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 14, 2010 | Toshiba 42H81 42" Rear Projection...

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Toshiba 42h81


Heckler, your tv has blown parts in the convergence circuit so you need to stop pulling plugs or you will do more damage to the set. The convergence IC`s will need to be replaced and probably 1 or 2 support resistors, Then the set will have to be re-converged, the shop you talked to is correct that it`s a common problem, mine failed 8 months ago in my 53" Hitachi. $400 to do that repair is pretty pricey BUT it really depends on where you live, Major sized city`s charge big rent, taxes are higher etc. etc. so tv shops overhead is higher, I would get out the phone book and start calling all the shops in your area for price quotes. Any questions??? email me back, hope this helped, Happy Holidays BMW Rider

Dec 01, 2007 | Toshiba 42H81 42" Rear Projection...

1 Answer

Toshiba model 42H81 projection tv receiving blue and yellow shadows on screen.


Convergence is dead.Know how to solders?Must replaced the 2 convergence ICS and all it resistors.Tv Repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300 for parts and labors.

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

1 Answer

Lines on both sides of screen blurry images. Sometimes when I turn it on It has very bad lines, but it clears up in a few minutes.


Ur convergence is dying,well be dead,know how to solders?Must replaced convergence ICs and all it resistors.Tries websites Tv repair world.com,Tvrepairkits.com for the convergence kit.

Jan 21, 2010 | Toshiba 42H81 42" Rear Projection...

1 Answer

Convergence problems


you need to replace both of your convergence ICs they are STK392-110 you can get new replacements at the following link and they provide free instalation instructions with pictures. Heres the link
http://servicemanuals.vstore.ca/

May 29, 2008 | Toshiba 42H81 42" Rear Projection...

1 Answer

TOSHIBA REAR PROJECTION TV 42H81


you have a convergence problem that will require the replacement of the convergence amp ics.

Nov 29, 2007 | Toshiba 51H83 51" Rear Projection...

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.

Nov 25, 2007 | Toshiba 42H81 42" Rear Projection...

1 Answer

Toshiba 42H81 42 in. Rear...


If you are referring to the convergence alignment of red,green and blue........will require technical and mechanical skills.....
1) Pull chassis
2) Replace both STK392-110 convergence IC's
3) Reset alignment as needed........................................T.

Nov 23, 2007 | Toshiba 42H81 42" Rear Projection...

1 Answer

Toshiba 42h81 picture shifted


Are you still working on your set? I can help......T.

Jul 31, 2007 | Toshiba 42H81 42" Rear Projection...

1 Answer

TOSHIBA REAR PROJECTION TV 42H81


FIRST DO MANUALY (THE ALIGNMENT OF CRT'S)

May 12, 2007 | Toshiba 42H81 42" Rear Projection...

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