Question about Sony WEGA KLV-23M1 23 in. HD-Ready LCD Television

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Very very light brownish tint area of discoloration

There are 3 areas of very light screen discoloration. One area is closer to the top of the screen and another area is directly below it nearer to the bottom. The third area is between the 2 but offset to the right. These areas are only noticeable when a very light background is on the screen such as the light gray you would see in a black and white movie. These areas are always the same no matter what input source. So far it does not seem to be getting any worse. Thanks for any advice on what this might be caused by.

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  • Anonymous Apr 20, 2009

    I have the same problem in the bottom right hand corner.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 11 Answers

SOURCE: screen discoloratiom area

It's definitely your VCR that is causing the problem. Move your VCR, if you don't get any results you need to send it to repair.

Posted on Jul 10, 2007

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jerryg50
  • 1667 Answers

SOURCE: pulsing/strobing on black screens or dark backgrounds

It is very likely that there are electrolytic capacitors going high in ESR on the processor and driver boards, and also in the power supply areas. The tech should be able to see this by monitoring supply distributions with a scope.

Depending on the complexity of changing the caps on the boards (if it is actualy a cap problem), the best choice may be board replacements.

In almost all the cases where I had this type of fault, it was a number of capacitors that had to be replaced.

Jerry G.


Posted on Apr 14, 2008

  • 2318 Answers

SOURCE: Sony KV-32FV27 Picture Discoloration

It appears that the greenish discolored area could be cause by the Yoke or it could also be some magnetization on the screen as well.
If it's the yoke that moved slightly out of position, it can be adjusted, but i would suggest to let a repair tech do it due a high voltage around the area.
Try unplugging the TV for some time and plug it back in and hopefully the demagnetizer circuitry might be able to clear the greenish spot.
Let me know if you need further assistance.

Posted on Jul 01, 2008

  • 2 Answers

SOURCE: yellow tint on screen, little bright spots on the dark blue.

http://repairs.sunnyoasis.com/sonylcdtv/ this is a link on what to do i had same problem picture is like brand new now good luck this takes about 3 to 4 hrs

Posted on Jan 04, 2009

  • 4 Answers

SOURCE: screen appears blue

It's the Light Engine (also called an Optical block) -very expensive.

Posted on Jan 08, 2009

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