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

2 Answers

Sony LCD tv

My tv has a blue cloudy color around the edges of the screen mainly on the right side and somewhat on the top and bottom. thhe size and shape seem to change day to day. is it something that can be fixed at a low cost or is it junk. the tv is about three year old.

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  • CalvinBrent Nov 11, 2007

    Blue shadow band about 2-5 inches deep across bottom of screen, can be seen best when the picture is in dark or black screen.

  • Anonymous Nov 19, 2007

    Same model tv- There is a blue cloudy part in the lower right corner of the screen, which is always visible, but more prominent when the picture is dark. We've only had the TV 2 1/2 - 3 years. I dont want to pay that much money to fix it- what if it happens again?

  • jcard Feb 17, 2008

    I've got the same problem. Blue at bottom and lower right corner.

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You are going to need an optical assy (A-1084-658-A) and it runs about $1257.50

Posted on Oct 13, 2007

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2004 Model Year Grand WEGA™ Televisions

Models: KDF-42WE655, KDF-50WE655, KDF-55WF655, KDF-60WF655, KDF-55XS955, KDF-60XS955, KF-42WE620, and KF-50WE620

As technology evolves, Sony continually looks to stand behind the reliability of its televisions. It has come to our attention that a limited number of Grand WEGA rear projection televisions (models listed above), after a period of time, exhibit blue dot or star pattern on the screen.

As part of our commitment to quality, Sony is announcing that for any owner of these model televisions who paid out-of pocket expenses on or before August 31, 2007 for an estimate or repair service to replace the optical block for this specific issue, Sony will reimburse the customer by mail for his/her parts and labor expenses. To receive reimbursement, please follow completely the directions on the claim form for reimbursement; all claims must be postmarked by January 31, 2008. See claim form for complete terms and conditions.

In addition, for any customer who later experiences this issue on one of the affected models, Sony will cover the cost of the optical block repair (parts and labor) at no charge through December 31, 2008. All other terms of the Sony limited warranty continue to apply. Sony utilizes a network of hundreds of qualified independent third-party servicers to perform in-home television warranty service. Sony, through its authorized servicer network, will endeavor to repair your set within 30 days of your first contact. For diagnosis, warranty service, or if you are not provided a repair within 30 days, please contact Sony at (888) 649-7669.

Posted on Nov 22, 2007

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Posted on Jan 02, 2017

ameesh
  • 22 Answers

SOURCE: sony LCD tv

i guess its the old magnet problem maybe in fluke u or someone in your house had taken a magnet around your tv try fixing it with a magnet by moving the magnet again around the screen and using the same old technique by moving the magnet slowly on the defected area and then quickly taking it off

Posted on Nov 05, 2007

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This is a very common failure on Projection TV sets. Its called a convergence failure. Here are some common symptoms.
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Your TV most likely has one or more possible problems.

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Here are some of the most common symptoms and example photos of a convergence problem
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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.

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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.

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Hi,
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Sony will repair it with very little money or even free up to Dec 31, 2008

Click Sony Support for details...hurry up as time is running.

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i guess its the old magnet problem maybe in fluke u or someone in your house had taken a magnet around your tv try fixing it with a magnet by moving the magnet again around the screen and using the same old technique by moving the magnet slowly on the defected area and then quickly taking it off

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I have the exact same problem with my 42" LCD HDTV. When I called Sony "customer support" they told me NOTHING. However, I began researching this issue and found out that Sony knows all about this problem. It's a part called the "Optical Block" and THEY are supposed to reimburse you for the repair! The claim form is on the Sony Website. Here's the link: http://esupport.sony.com/US/perl/model-home.pl?mdl=KF42WE610&LOC=3 Look inside the yellow box on the right and click on: Additional service coverage information for your TV (scribble / line pattern on screen) Hope this helps you!!

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