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I have a sony grand wega that i have had for 3 years and it is starting to so a discoloration bar across the top of the scr een what could be the problem

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6ya6ya
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Posted on Jan 02, 2017

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  • 3 Answers

SOURCE: Sony grand wega 42 with red area on top and blue area on bottom

Sony USA are aware of this problem and have extended all warrantees on this model till 2010!
http://esupport.sony.com/US/perl/news-item.pl?mdl=KDF50E2000&news_id=293

Posted on Jun 22, 2009

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phil_frye
  • 295 Answers

SOURCE: I have a 50' Sony Grand Wega red bar on top of screen

Well this is an LCD projection TV and it sounds like one of the polarizer filter has gotten out of place so you are seeing at the top of your screen the unfiltered image of the LCD panel.
Will need to go into a shop to get repaired. Call and get an estimate of repair. Actually shouldn't be too bad of a repair cost.
Blessings,
A/V Media Tech Guy

Posted on Dec 20, 2009

Raditronic
  • 196 Answers

SOURCE: Sony grand wega 42 with red area on top and blue area on bottom

bad optic unit block

Posted on Apr 21, 2010

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Sony wega kdf42we655 has green vertical bars across entire screen all of the time


Sounds like you have a problem with the control board. About $190 to fix. Let me know how you make out.

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I have a 50' Sony Grand Wega red bar on top of screen


Well this is an LCD projection TV and it sounds like one of the polarizer filter has gotten out of place so you are seeing at the top of your screen the unfiltered image of the LCD panel.
Will need to go into a shop to get repaired. Call and get an estimate of repair. Actually shouldn't be too bad of a repair cost.
Blessings,
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1 Answer

My 42" WEGA has a brown band about 3" wide along the top of the screen. Why, what is going on? HELP!


I sympathize with you. I have also discoloration on my Sony KF-E42A10, blue blobs on the bottom of the screen. Check out their website and there is a posting their bulletin regarding their extended warranties on some rear projection TV's. I also came across this website which might give you more information
http://sites.google.com/site/sonylcdrptvproblems/sonyrearprojectionlcdtv-opticalblock#TOC-Summary-of-Sony-warranty-extensions

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For sony sets with color discoloration: Hi,it seems you are experimenting a light engine problem.This is how your tv works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo So basically the 3 Lcd chips that create the colors and image is going bad and thats why you get that color discoloration.Contact Sony or look for your light engine online.God bless you and your house!

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Sounds like hum bars if there white bars.Try disconnecting the ground outside at your cable hookups or sat etc.

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