Question about LG RU-52SZ51D 52" Rear Projection HDTV-Ready Television

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Lcd rear projection fixed pink and yellow shadows on the screen

I have a 60inch Sony LCD Rear Projection. It has a yellow and two pink stationary shadows on the screen. What can I do to fix this?

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  • Anonymous Aug 27, 2008

    Yes, there are LCD Rear Projection TV's. I have two of them. One of them has spot like someone else mentioned. The warranty company opted to pay me off (not enough though) instead of repairing. I'm told that the light engine is going out and it is at least $1000.00 to fix. The repair staion said that eventually the screen will get very dim and possibly just go blank.

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5 Answers

I have the same problem with "spots" on the screen. Fortunately it is under warranty, but unfortunately the warranty company opted to buy me out instead for not enough money to replace. I spoke with a repair company and they say that the light engine is going out and it is not worth fixing. They said it is at least $1000.00 to fix. Eventually more spots will appear and the screen will get very dim or go blank completely.

Posted on Aug 27, 2008

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I do not have this TV but I have a LG rear projection LCD - RT52SZ30RB and it has blue patches across the screen.
I have had it for 3-4 years but the blue patches have been there for 1-2 years.
It seems to be common with this model but no solution posted yet.
Could it be lens alignment or dust on the lens?
Any help would be great

Posted on Aug 05, 2008

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My RU-52SZ30 is an "LCD Projection TV," and it sure ain't projecting from the front.

The optical engine was the only suggestion the repair person had after $250 worth of fruitless cleaning and adjusting. What exactly is an "optical engine," and does anyone have a idea what one costs? Can an amateur hope to replace one successfully?

Posted on Nov 16, 2007

IT MIGHT BE THE OPTICAL ENGINE THAT IS FAULTY

Posted on Oct 25, 2007

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You can't do anything about this TV. Theres no such thing as a LCD rear projection television.

Posted on Aug 28, 2007

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1 Answer

Pink blotches


if the blotches appear as a cloud, i would say yes its the optical block the heart of the LCD, we had ours replaced twice (defective) under warranty.

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Half the screen is blue and the other is yellow what can I do to fix this problem on a Sony 60inch wega lcd projection


hdtv? did you change any of the connections on the tv

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/laura_08254539050d64db

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TV issue


There are many causes for spots on top of an LCD rear projection tv, you are probably in the first two cases, both require part replacements and repair job.

If the spots are faint blue, green or pink shadows, then it can be a problem with the anti polarization panel placed on top of the LCD.

Similar spots (colored shadows) may be caused by a problem with the light engine, in that case the fix will be expensive.

If the spots are bright lights, like an aura, that is a problem with the color wheel.

Problems on the light tunnel can cause static gray shadows.

If the spots are static dark stains than that is lcd liquid, the LCD panel must be replaced.


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1 Answer

Rear projection LCD Image Burn


Copy and paste the following link in your browser:
http://ciscdb.sel.sony.com/perl/news-item.pl?news_id=206&mdl=KDF50WE655

You have a problem with your optical block and Sony is covering the repairs. You MUST HURRY as the warranty extension only runs through the end of December. Be sure to rate this answer. Thanks!

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Sony guarantee the consumer to replace the optical block assembly for thousands of dollars in parts and labor every four years or when the pink and blue spots appear every time. Then replace the optical block assembly again and again every time the spots appear.

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The dust is on the lcd located inside the optical block. It requires quite an extensive tear down and if you're not at the minimum a CET don't attempt this one yourself... Most shops won't even do this cleaning in the home and any repuatble shop that does it has a clean room they will put it in to do the work..
A single speck of dust no larger than 25 microns on the lcd can shadow in the picture. To give you some idea how small that is a blood cell is 7 microns wide...
Bill

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Bad picture


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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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Sony wega KDF-42WE6 55


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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