Question about Sony Grand WEGA KDF-42WE655 42" Rear Projection HDTV

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The colors red, green and blue went out of focus after unplugging my TV. The text on the screen also is curved and out of focus. The TV was working fine before I unplugged it and it set for a couple of weeks. Its' a 42 Sony projection type.

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Please check convergence out chips on D board of TV that seems defective and causing problem.
Let me know exact model number of TV to provide you more info.

Posted on Oct 15, 2009

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Posted on Jan 02, 2017

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2 Answers

Projection HDTV Pansonic 47" Curving blue and green colors on top and bottom of screen.


You will need to replace your two convergence I.C.s.They are two large IC mounted on a large aluminum heat sink.Replace both,look for any burned resistors near them,replace those if needed,and readjust your convergence. Good Luck

Let me know if you need any further help

Mar 29, 2008 | Panasonic PT-47WX42 47" Rear Projection...

1 Answer

The picture looks 3D


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

7859b01.jpg

e87380c.jpg
Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You 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

Oct 03, 2009 | RCA HD52W56 52" Rear Projection HDTV

1 Answer

Curved red image on 46" Akai rear projection TV


Yes! an idea that the flyback transformer is shot!


Please rate our help to keep the free service online

Aug 29, 2009 | Akai PT4298HD Rear Projection Television

1 Answer

Top of picture has distorted curve


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV 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, Zenith, and others. You can get a convergenece repair kit from the link below.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on - TV may also make a chirping noise.
Here are some photos of convergence problems.

49abec3.jpg
f0add3d.jpg


Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a solution

93a1209.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you know what you are doing. If you have never done this before we would advise calling a shop or if you want to do it yourself get a complete kit with instructions and support from www.TvRepairKits.com

Aug 15, 2009 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

RCA Projection TV Model HD61W66


convergence power supply not working , there is a mini fuse close to the flyback thansformer , 400miliamp at 250 v resolder the flyback and replace this fuse , there is 3 fuses it look like small squer brown color is the one on the middle , normal repair $200 - 300

May 07, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Pcture problem


Replace both STK392-110 convergence IC's with Toshiba or
Sanyo brand...............no cheap junk !!.............T.

Aug 04, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

Hitachi 57SWX20B 3D Effect due to green light convergence problem


I'm trying to fix the issue on my 43FDX20B. So far, I'm able to move the lines up and down, but can't get the left/right motion to fix it. The attached link has the dynamic mode instructions, so you can correct this issue yourself.

http://home.comcast.net/~leebailey00/Hitachi_DCAM_Manual.pdf

The only thing I didn't have was the screen overlay jig the manual talks about. I decided to create one myself and use the screen as a beginning template. I went to our local hardware store and picked up some home window weather covering. The roll cost about $15, is a clear strong plastic and the template was very easy to create. I used a straight edge after I put dots on the plastic and measured the lines for being square and equal after I took it off my tv. Good thing is that if you don't like what you make the first time, you have a 25' roll to use to try again (ha).

Mar 01, 2008 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

Philips 50P8341 50 in. Rear Projection Television most of the color is red


Usually if you remove the speaker grill in front there is a convergence panel that can be carefully removed. If you look inside you should see a small rectangular block with six controls. They are labelled focus and screen, and red, blue and green. Adjust only the screen controls very carefully and slowly. I would recommend reducing the red slightly brfore raising the green and then blue until the picture looks acceptable. Be sure to center the on screen controls before starting.

Nov 18, 2007 | Philips 50P8341 50" Rear Projection...

1 Answer

Toshiba 43H70 HD Projection TV


this is a convergence failure, there are hundreds of posts about it on this website you should be able to find everything you need

May 23, 2007 | Toshiba 43H70 43" Rear Projection...

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