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Sony model kdf-70xbr950 , screen has blue streaks and blue dots. app. repair cost ,tv is 7 years old

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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

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My sony television is developing an increasing number of blue dots across the screen. It is a Sony LCD model # KDF-42WE665 I have already reaplaced a bulb to the tune of $350.00 about 2 years ago and now...


This blue dots problem is due to defective blue lcd and related uv filters/ polarizers in optic block (light engine) and optic block will be replace to fis that issue.
It would be costly fix and an experienced tech is needed to do the job. You can expect $1000 repair cost.
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Open a support case with Sony. If they determine (or are willing to admit) that this is an optical block issue, they should replace or repair it free of charge.

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I have a sony lcd 55" flat screen. We have blue dots in the center of the screen multiplying every day. What causes this exactly. Is it cost effective to repair ? Could I repair it my self ? I have basic...


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1 Answer

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1 Answer

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Blue streaks might have been just your video connection and problem with signaling. But, blue dots is faulty light engine, aka "optical block". The engine in this could be a defective LCD array. Very expensive, a optical block is about $850. Hope it's still under warranty. You could get a rebuilt one, possibly. Need service adjustment too. Bad problem that Sony has with these kinds of sets.


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1 Answer

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The Optical Block is the problem. Call Sony at 1800-222-SONY and see if they could help with the repairs due to the cost of the repair. I estimate it would cost 1,200.00 to 1,500.00 to get the job done.
Hope this helps,
Skyassoc

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1 Answer

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http://esupport.sony.com/perl/news-item.pl?news_id=206&mdl=KDF42WE655
Models: KDF-42WE655, KDF-50WE655, KDF-55WF655, KDF-60WF655, KDF-55XS955, KDF-60XS955, KF-42WE620, and KF-50WE620
Sony LCD Rear Projection TV - Optical Block Problems
http://splinke.googlepages.com/sonyrearprojectionlcdtv-opticalblock

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1 Answer

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Is you model listed below?

Sony wega blue dot or star pattern on screen
http://esupport.sony.com/perl/news-item.pl?news_id=206&mdl=KDF42WE655
Models: KDF-42WE655, KDF-50WE655, KDF-55WF655, KDF-60WF655, KDF-55XS955, KDF-60XS955, KF-42WE620, and KF-50WE620

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Hi Guys

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Sorry to have been the bearer of bad news. Good luck : )

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