Question about Sony KP-51WS520 51" Rear Projection HDTV-Ready Television

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Turns blue and has shadows

Its fine when you first put on after a few minutes,top left corner gets bluer and lines start to shake and you can see shadows of the picture...

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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.
turns blue and has shadows - 701cb04.jpg
77ea520.jpg

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 comturns blue and has shadows - 2c07611.png.

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

TV set after fluid change

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.

Posted on Feb 22, 2009

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You guys are awesome! I picked up one of your kits and fixed my TV in less than 1 hour. You guys saved me 250.00 bucks. I'll be recommending you to everyone I know!

Posted on Aug 19, 2009

  • James120 Mar 12, 2010

    Just checking to see if the solution above worked!

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Posted on Jan 02, 2017

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