Question about Toshiba 50H82 50" Rear Projection Television

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Toshiba 50H82 Wavy Lines - Jittery Picture.

Saw the post requesting a soft-copy or link to service manual for 57H82. I'm having the wavy line problem on my 50H82 and thinking about attempting the fix myself. I was wondering if you could send me a soft-copy or link to the service manual for that model, or point me to a site where I could find one? Jim C.

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  • Anonymous Nov 18, 2008

    I am having the same problem with the wavy lines. It first started only for 2-3 mins. and now it is all the time.

  • Anonymous Jan 27, 2009

    I have jittery picture on all video inputs yet, the audio and menu screen is clear and stable.

  • SUPERDAD456_ Feb 16, 2009

    I HAVE WAVY LINES ON THE MAIN CHANNEL BUT NOT IN POP WHAT CAN I DO

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Dont have the manual - sorry - but this is the most likely cause.

Projection TV sets have two very common problems listed below.

Problem #1) Convergence


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 more information and a DIY convergenece repair kit with instructions from the link below.

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

*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

Toshiba 50H82 Wavy Lines - Jittery Picture. - bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on May 07, 2010

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50H82 red wavy convergence (stks didn't fix)


If the tin can module you are referring to is the hyper module, it is common to replace all 11 caps because the factory caps ****. Check for bridged solder connections at STK's search the forum at electromaniacs for 50h81 :)

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http://myworld.ebay.com/kcarrigan/
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Service Manual


Jimmy,
Will send it out post haste... But be VERY careful inside the hyper module you can easily lift the traces when trying to remove the smd caps and ruin the module beyond repair...
Just send me a private mail and I'll return with the service manual.
Bill

Premium Technologies
premtech@willapabay.org

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Toshiba 50H82 hyperboard caps


Service manual won't help much in the hyper board and that's likely the problem.. Simply remove the hyper board and open the can. Inside you'll see a number of smd caps. There are 11 10mf/16v that need to be replaced...
Bill

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this is a typical hyper module replacement job let a tech do it.
not for the do-it-yourself type.

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Hire a skilled,senior tech willing to rebuild your board....
replace all bad caps.......good as new.................T.

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make sure you replace all the 10uf caps and that the connections are good....

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