Question about Projection Televisions

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Fault I have a picture distortion problem with my Thomson TV 28wn22u. Both side the picture is concaving. I was told the problem can be solved using the remote. But how?

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  • camel42 Apr 06, 2008

    but how do I adjust that?

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You probably need to adjust the setting for " pincushion "

Posted on Apr 03, 2008

  • 1 more comment 
  • mark merle
    mark merle Apr 03, 2008

    you will find this in the settings menu

  • mark merle
    mark merle Apr 07, 2008

    because of the rating you offered i won't help you!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  • mark merle
    mark merle Apr 07, 2008

    good luck to you!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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1 Answer

I was given a P52960 ,2002 rca 52 projection tv and the sides of the piture are concaved in.Can this be fixed easy enough,i am good with electronics/wireing..iI was told by the old owner that the solu


concave or bloated pictures on crt projection tv's are corrected with what's called a 'pincushion' adjustment. Look for it in the menu under video controls.

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The picture on our Sony TV Model KP-43HT20 recently became distorted, concaving at top and bottom. If I use reset the Flash Focus, the picture will return to full screen side for awhile but the colors do...


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

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The image on the TV jitters from side to side rapidly, distorting the entire image on every input. I was told perhaps this is a voltage ripple problem; I replaced a bad capacitor already and it helped...


Hi,
Replace all capacitors in Hyper Module mounted on main board of tv to solve this issue. These are maybe 10 capacitors, replace them all, this will solve your tv picture problem.
Thanks.

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1 Answer

The picture projects the image with concave lines on the edges. I'll explain further: somehow the picture is distorted in a way that bends the four edges of the picture in a curved-concave manner so that...


Projection sets have two very common problems.

The first common problem is 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

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

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3 Answers

Rca d52w23 has distorted picture. it is shaped


Go to menu then setup look for convergence if not on menu you have a blowed fuse FL231 will be next to FBT flyback transfomer on right side there is 3 in a roll small brown looking caps but they are fuses it will be the one in the middle.You can take a pair of plyers to pull off top they are all removeable and just snap back on.

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1 Answer

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Sounds like convergence problems. This TV may not have the standard "STK.." modules. These sets are bad to lose voltage feeding the convergence amplifiers.

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Picture Problem


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thats usually a convergence IC failure, Are you able to move the red and blue colors in the convergence adjustment menu?

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that happened to me and i just gently hit it on the top and it fixed itself

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