Question about Sony KP-46WT500 46" Rear Projection HDTV-Ready Television

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Sony kp-46wt500 the picture on my tv looks blurry and the three colors look seperated on the picture. And also it will not focus when you press flash focus.

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  • Anonymous May 27, 2008

    I suspect convergence needing a multipoint convergence adjustment however the symptom is a slightly blurry picture.
    Not blurry to the point of distraction but far less sharp than it's ever been.



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You have convergence issues

See this link

and this one

Posted on Dec 29, 2007


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1 Answer

Problem with picture disorder Kp-46 WT 500

What you're describing, the closest thing I could think of is a Convergence issue. The three colors look all off like a 3d image. This is a bad convergence circuit. General T.V. repair cost is 350 dollars.

Jun 20, 2011 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Colors seperate

Yes, this problem is fixable.
Replace convergence out chips on D board of tv to fix the color separation issue.

Jun 05, 2010 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Red and blue color on TV is aligned but blurred, green is ok

U have a CRT Tube coolant problems.Tries Websites,Tv reapair to buy CRT tube coolant to recharge ur CRT.

Feb 26, 2010 | Sony KP-46WT500 46" Rear Projection...

1 Answer

The tv all of a sudden went out of focus and the Flash Focus will not re-set it any idea on how i can focus without expensive service call?

It looks like you have a convergence or vertical problem. if the picture is showing kind of 3 d or warped, its convergence.

Feb 22, 2010 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Flash Focus does not focus the TV colors are seperated

if that doesn't work it will need new convergence IC's put in as well as a resistor or two


Oct 29, 2008 | Sony KP-43T90 43" Rear Projection...

1 Answer

Convergence issue

You need to replace both STK392-560 convergence ICs and some of the 4.7 ohm 1/2watt resistors. You can get replacement ICs and resistors at the following link with free instalation instructions.

Jul 23, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Power surge may have blown tv- Sony KP-46WT500- worth fixing?

Take a look at my post on Convergence IC replacement..Thank you GURU JAY

Feb 18, 2008 | Sony KP-46WT500 46" Rear Projection...

2 Answers

Sony big screen tv, no color

focus block or neck boards on thr picture tubes

Nov 11, 2007 | Sony KP-46WT500 46" Rear Projection...

2 Answers

Sony TV KP-46WT500

Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Below are more details for both items. Also, complete repair kits with instructions and repair support are avail from site such as

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. The power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


69189a5.pngSOLUTION #1

What you will need to do is convergence. You can get a repair kit from . It includes replacement parts,step by step instructions, support, etc.

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.

TV set after fluid change



What you will need to do is replace the coolant and clean the crt. You can get a repair kit from . It includes replacement coolant,step by step instructions, support, etc.

Jan 14, 2007 | Sony KP-46WT500 46" Rear Projection...

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