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

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Convergence i have sony kp-46wt500 ,which i get all three color & curve pictures ,i read that ihave to change stk392-560,4.7 ohm1/2watt resistor and pico 3.5 amp .could some one tell me how many of these unit i have buy and replace to fix the problem thank you .

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  • mcody613 May 11, 2010

    what if you replace everything and it still does not work

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I have a Sony KP-46WT500 also; I'm currently having the same problem. This is the second time in 5 years I had to replace this part. You will need two STK392-560 you can find them on E-bay for about $28 with shipping & handling.

It shouldn't cost no more than $175-$200 to fix your unit.


Good Luck.

(PS) I will NEVER buy sony again!

Posted on Oct 22, 2008

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Hi

The stk392-560 is convergence correction amplifier, the 4.7ohms 1/2watt resistor is the attach in convergence board! but before you replace this parts you need to check if good or bad parts!

Thanks!

Posted on Oct 09, 2008

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My Sony KP-46WT500 has a yellow arc of color on the upper left side that never goes away even with plug in devices like Wii. It started about 6 months ago and has gotten worse over time. What can I do?...


Very common problems,through out the DLP tv life cycles could happen again again until end of the tv life itself.The tv have a problems known as a convergence picture problems,it is dead.Tv have any colors lines like R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?Yes?Than the tv convergence board it is dead.The tv convergence board must have it components parts replaced like 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The Shop will cost u like $300-350 for parts and labors.

Aug 03, 2011 | Sony KP-46WT500 46" Rear Projection...

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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

Curved horizontal green lines bout 2 inches apart from bottom to top of screen.kp-46wt500 model


Your TV most likely has one of two possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • 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.
701cb04.jpg
77ea520.jpg
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Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

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

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


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.

578ba6c.jpg
TV set after fluid change

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2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc

Dec 14, 2010 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Image is showing in all three colors


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

Nov 07, 2010 | Sony KP-46WT500 46" Rear Projection...

1 Answer

I have a Sony TV that needs help...model# KP-46WT500. Issue is, turned it on this morning and Red Green and Blue are no longer lined up. You can see three images in every color. it's looks better in the...


Convergence is dead.Must replaced 2 convergence ICS,and some or all it resistors.Can u do soldering electronics parts?Buy a convergence kit at websites Tv repair World.com,Tvrepairkits.com to repair it ur self.The shop will cost u $300 for parts and labors.

Feb 25, 2010 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Sony KP-46WT500 Red, green and blue lines appearing on screen


your convergence IC;s are out, they cost about $40, if you know how to solder, you can do it your self, if not , I would try to find somone that can, service centers charge about 4 or 5 hundred, after you get the new ones, there easy to find on the board in the back of the tv

Nov 26, 2008 | Sony KP-46WT500 46" 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.
http://servicemanuals.vstore.ca/

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

3 Answers

Convergence issues


di you check the resistors right next to the s these usually go out with the ICS

Feb 02, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Picture curved and three pictures - one per color


convergance amp ic are bad.
http://www.techlore.com/forum/thread/18970/Sony-KP-46WT500-Convergence-Repair/
can you confirm the make and model.

Nov 24, 2007 | Sony KP-46WT500 46" Rear Projection...

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