Question about Sony Grand WEGA KDF-70XBR950 70" Rear Projection HDTV

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Sony KDF-70XBR950 Im getting a blue image on the bottom center of the screen. I cant see it when watching widescreen movies with the black bars. but full screen movies and broadcast programs its there.

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  • Biotox Apr 22, 2008

    I replaced the bulb in my Grand Wega and now I have a blue shadow on the left side of the screen which is on all video displays. It was fine and then the bulb went out. I replaced the bulb and now I have the shadow. Is the bulb in wrong or is there another problem?

  • tritonblue Nov 26, 2008

    same problem, 70" grand wega. i replaced the bulb and shortly after a blue fog appeared on the bottom of the screen. any solutions? triton.6691@yahoo.com thanks.

  • innercircus Jan 06, 2009

    I have the same issue with my 70 inch sony wega, I also just had my bulb replaced within the past month or so. and just my luck my 4 year extended warranty ended just before the wierdness started!

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6 Suggested Answers

techman
  • 3130 Answers

SOURCE: blue shadow

You have a bad light engine or in Sony TV sets, it is called an Optic Unit Block Assembly. This is a very expensive part and should not be attempted to be replaced by a novice. Call an authorized Sony repair place to have this repaired. Good Luck

Posted on Sep 14, 2007

tvtek
  • 1284 Answers

SOURCE: no full widescreen on HD broadcasts

Do you know what the aspect and resolutiuon settings of the cable box are? What brand of cable box is it?

Posted on Nov 28, 2007

  • 139 Answers

SOURCE: The blue line appeared at the lower border of the letterbox

easy fix. adjust the vertical position of the image using the on-screen menu.

Posted on Mar 06, 2009

  • 1 Answer

SOURCE: Sony Grand WEGA KDF-70XBR950 70 in

You need a new projection lamp.......(XL-2100 replacement DLP lamp)..... go to this web site to get the lamp you need for your TV model KDF-70XBR950 70inch----
http://www.sonystyle.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10551&storeId=10151&langId=-1&productId=11040980
------ This web site shows you how to install it yourself. ---- 
http://guides.fixyourdlp.com/sony/XL-2100U.php    --------- I strongly suggest that you get a SONY manufactured replacement lamp NOT a cheaper lamp from another manufacturer... it costs about $200.

Adelaide B.

Posted on Mar 07, 2009

  • 668 Answers

SOURCE: my Sony kdf-e55a20 Grand Wega 55inch TV that I

Unfortunately the Optical Engine will need to be replaced to fix the problem. It is a very costly repair. Most of these Optical Blocks run around 800.00 for the part it self and labor will vary between 180.00 and 270.00.
You could try to call Sony at 1800-222-SONY
and see if they could help out with the cost.
I hope this helps,
Skyassoc

Posted on Sep 12, 2009

  • 336 Answers

SOURCE: sony model kdf-70xbr950 ,

Hi,what you are experimenting it's a faulty light engine problem,this is a common failure on Sony tvs.What's happening Is that your tv carries 3 chips blue,green and red, those chips are in charge of creating the colors on your tv .When these chips start to melt you will get color discoloration.Repair cost will be very highly around $400-$600 The part you need it's called the light engine or optical block ,some people are getting sony to repair their tv at no cost,I suggest to contact them to see if you qualify.God bless you!

Posted on Sep 30, 2009

Testimonial: "verry good"

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The Optical Block is causing the problem. It has been a common problem and Sony may still have a recall on it. You can check it a 1800-222-sony. If it is not still covered, I would expect to spend 800.00 to 900.00 for the assembly plus 250.00 labor for a professional to replace it.
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If this is a KDSR50XBR1 or a KDSR60XBR1,
It is a bad Optical Block and you need to call Sony at 1-800-222-SONY asap to get a exstended warrenty repair. If it is not, and it is out of warrenty I would still call to see what they will do. In either case, it is a Optical Block causing the problem.
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Sony tech support (no charge) said it was definitely not the lamp.
Their suggestion- By unplugging the TV for a minute then turning back on, the blue color was substantially but not toally reduced.
Perhaps there is an electrical charge building up distoring the color by having the TV in the ready mode for too long and by unplugging, the charge dissipates?
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Most if not all DVD's are 16 by 9 even in 4.3 mode you are going to have those bars on this TV. Some television have a zoom feature to get rid of that but not this one.

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1 Answer

Blue shadow


You have a bad light engine or in Sony TV sets, it is called an Optic Unit Block Assembly. This is a very expensive part and should not be attempted to be replaced by a novice. Call an authorized Sony repair place to have this repaired. Good Luck

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