Question about Sony Grand WEGA KDF-50WE655 50" Rear Projection HDTV

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Sony LCD Projection M#KDFE55A20 Over the past couple of weeks the color on our TV went from "normal" to what seems to be green and yellow tinged. Red colors appear brown or black. The color went back to "normal" for a day and now it's back to greenish. It also appears the picture is a little darker. We had Best Buy come out and replace the lamp 1 1/2 years ago. What could be the problem?

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Sounds like light engine call Sony and see if you can get some help on cost.

Posted on Sep 11, 2009

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For the past couple days the color on our projection tv has been distorted. The yellow and blue are consistent, but the red and green seem to be lacking. We have tried adjusting the tint, but that does...


Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both. Repair kits with instructions are also avail from www.TvRepairKits.com

Common Problem #1) Convergence has gone out

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 pics of convergence problems.


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69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

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

Apr 11, 2011 | Hitachi Televison & Video

2 Answers

PT50LC14 Color problem with color too much yellow and green no white or blues can not correct is this the lamp again im on why does it seem that I end up replacing the lamp every year (on number 3 now)....


ok,,your problem is not on the lamp itself.,the problem is on your screen controller.the controller is connected on the plyback you can adjust the screen intensity of the red,green,blue cathode..on your screen adjustment.

May 17, 2010 | Panasonic PT-50LC14 50" Rear Projection...

1 Answer

Hitachi Projection Color TV 43FWX20B - COLOR OFF


Check all cables,replaced all cables if more than couple years old.After that the same,ur tv have one dead color gun,require service.

Jan 01, 2010 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

Video is taking on a red tint which is getting worse over time


check the cable connections. look at different inputs. VGA and Component cables have the colors split, so if it's turning red, green, or blue; it's likely a cable or connector.

Dec 29, 2009 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

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...


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.

Oct 15, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Kdfe50a10 Sony lcd projection TV. No red color


Make sure you get colors by bringing the TV menu and see if looks normal, if it does
maybe the problem us the signal source

Apr 03, 2009 | Sony KDF-E50A10 50 in. LCD HDTV

1 Answer

Image


Samsung parts for convergance problem
http://www.partstore.com/Part/Samsung/Samsung/BP9500142E/New.aspx

Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

Jan 29, 2008 | Samsung HCM5525W 55" Rear Projection...

1 Answer

LCD screen stopped working


sounds like the LCD screen viewfinder may have been twisted or accidentally catched or got hooked or snagged on on something at one stage and pulled something, if the screen went yellow it means the three wires going to it are possibly broken or the small white clip was slowly coming undone inside the Viewfinder for the red and green to no longer work to complete the image also indicates why the buttons on the viewfinder are not responding, try twisting the viewfinder very lightly whilst on, but most likely the small white clip holding the wires has come off at the elbow inside the camera

Apr 22, 2017 | Sony Handycam DCR-HC21 Mini DV Digital...

1 Answer

Sony KDF-55WF655 55" LCD Projection TV


I have the same TV and the same problem, I take out the block of colours red, green and blue (the blue colour is broken) and I went to the electronic supplies for ask the price  and they don't sell just the little blue mirror (blue pixel), they sell all block for $2,050.00 dollars. It's the price for a new one

Oct 09, 2007 | Sony Grand WEGA KDF-55WF655 36" Rear...

2 Answers

Sony KF-50WE610


the color drive is going bad check with the sony service center it might be cover and repaired free.  my set went blue and the service tech is checking if it is covered.  good luck.

Sep 30, 2007 | Sony Grand WEGA KF50WE610 50" Rear...

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