Question about Mitsubishi WS-65819 TV

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Bowlike effect convergence all screwwed up

Hello, I have a 65" widescreen tv made by Mitsubishi. It has worked fine until recently. When I am watching the tv it periodically "messes up". The picture will become distorted on the top and bottom creating a bow like picture. The picture on the top and bottom middle is out of whack bent towards the center and creates a distorted picture. The t.v. used to fix itself but now it is permanately like this . Does anyone have ideas on what could be causing this? Thanks.

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  • Joe Talarico
    Joe Talarico Dec 30, 2007

    my 65" Mitsubishi Widescreen Tv does the concave effect at top and bottom of screen when I turn it on. Sometimes it fixes itself in about 5 minutes and otehr times, it goes all night screwed up. Can I fix myself by replacing a board or should I call someone in to fix for me? If so, where do I get it?

  • Anonymous Sep 05, 2008

    My 2002 Mits WS-65819 has the same problem. The picture bows down from the top of the screen, and bows up from the bottom. All three guns are doing this. It turns on fine, and runs nicely for five minutes, then just snaps into this messed up configuration. Is this the convergence IC solder problem others have mentioned or a general power supply problem? How can I get a service manual to help me identify the circuit? Anybody know who publishes this on line? Preferably free?



    CB

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I have the bowlike effect on my picture. I have an RCA 52 in projection tv. Also has double picture. any help would be great. HELP

Posted on Nov 01, 2008

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I have a mitsubishi 65" and the convergence is really bad on the left and right side of the screen and it will not adjust out.

Posted on Sep 19, 2008

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Henlopen's suggestion worked for my TV. I had the convergence IC's soldered and my TV works like new.

Posted on May 31, 2007

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I suspect you originally had an intermittent solder connection on the convergence circuit board. This may have damaged the convergence IC's on that board by now if repairing those connections doesn't fix the set.

Posted on Mar 18, 2007

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Your tv yoke needs to be changed your horizontal winding is open.take it to tech and have them change it or you you can do it your self kindly visit the website of www.dalbani.com abd see how you can purchase one on line.

Posted on Mar 19, 2007

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1 Answer

I'm having a 3D effect convergence problem on my 65" Mitsubishi Rear Projection TV Standard Definiton.


if the problem is intermittent it could be bad solder connections on the convergence output ic's but being a noob I don't think I would recommend trying it yourself, Just getting to those connections can be a challenge.

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if the reds and blues look 3d etc it is a convergence problem. see attached photos of a typical convergence problem.


4_29_2012_12_54_43_pm.jpg

4_29_2012_12_55_14_pm.jpg

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The red field on the screen, bends within the image, creating a 3D like effect.


The tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alingnment,have colors shadows pictures or 3D pictures.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts on the convergence board,require replacing to fix the tv picture convergence problems.The shop,will cost $300-350 for parts and labors.

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This tv have a problems known as a convergence.This problems the tv convergence board,must have the 2 STK convergence ICS some or all it resistors be replaced to solved the convergence problems.These problems are 3D pictures,colors out alignments,colors have shadows,pictures of colors mesh it all together.The shop will cost u $300-350 for parts and labors.

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Try adjusting the convergence. If it won't move see below- (or hitting Magic Focus for some Hitachi’s)

This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

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1 Answer

Mitsubishi WS-65869 65" blue color problem


Yes, you need to replace the convergence output amplifier IC's. They can be ordered on line. After removing the back you must remove the circuit board which houses the amps. Then desolder them and install the replacemnts. If you are extremely lucky there won't be any re-alignment issues with the new amps. Then you should be good to go.

May 03, 2009 | Mitsubishi WS-65869 65" Rear Projection...

1 Answer

Color distorted when viewing non-hdtv


convergence ic going. you may also want to check some caps;
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

caps
http://www.chrisandnat.com/Projects/BlinkingTV/blink.htm
http://www.jeremyburns.com/Mitsubishi-Green-Blinking-Light-Fix.pdf
http://www.fixya.com/howto/h159332-mitsubishi_dm_board_repair
http://hdtvoice.com/voice/showthread.php?t=32186
replace DM

Dec 17, 2007 | Mitsubishi WS-65807 65" Rear Projection...

1 Answer

CONVERGENCE


Replace STK392-570 convergence amp IC's = common repair for a qualified Mits tech.......................T.

Nov 05, 2007 | Mitsubishi WS-65903 65" Rear Projection...

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