Question about Sony Grand WEGA KDF-55XS955 55" Rear Projection HDTV

Kdf-e50-a10 optic block blue filter

I have a sony tv with a burn on the blue filter that is part of the optic block. Where can I find one.

5 Related Answers

Anonymous

105 Answers

the optical assy is a large amount of work i wouldnt recomend doing it yorslf at all. please leave that to the pros. you have to completely disassemble the tv from the back. i can do it myself in about 45 min.

Posted on Oct 13, 2007

Anonymous

SOURCE: Blue line problem with Sony Grand WEGA KDF-55WF655 Rear Projection TV.

We had the free repair from SONY for the blue dots and splotches. It works great now but you need to hurry and contact them as the offer expires I believe in December.

Posted on Sep 27, 2008

Anonymous

184 Answers

SOURCE: Blue dots in KDF-60WF655

Yes, your optical block ( light engine) is bad. Heat generated by the lamp circuit with its poorly designed ventilation system, cause the LCD panels inside the light engine to fail. They are the size of a postage stamp. There are 3 LCDs, for red, blue, and green. The heat causes them to warp and de-laminate.

Sony has systematically downed played the scope of this issue. It appears however that virtually every LCD projector they make can develop damage in the light engine which is extremely expensive to fix.

I suggest contacting Sony and your state's attorney general's office of consumer complaints asking for action on this.

michtech

Posted on Feb 20, 2009

Anonymous

2 Answers

SOURCE: KDF-60XS955 Optical Block is Bad.....

http://www.partstore.com/GetModel.aspx?MfgName=Sony&BrandName=Sony&ModelNumber=KDF60XS955&Page=1&SortBy=price&SortDirection=desc#PartsearchSKUList

Posted on May 09, 2009

Anonymous

301 Answers

SOURCE: what is the difference between a light engine and optical block?

Light engine and the optical block are I beleive the same thing. This is an expensive repair.
I also own a 60" Sony rear projection (2 years old and so far so good).

Best of luck to you.

Bob

Posted on Nov 09, 2009

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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.
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this is the information I received

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Blue blothes on LCD screen

Blue blotches spreading over the screen are failure of the optical block

contact Sony to see if you are eligable for a free repair.

Sony will cover the cost of the optical block repair (parts and labor) at no charge through December 31, 2008 for 2004 Model Year Grand WEGA™ Televisions with the blue spot problem.

Models: KDF-42WE655, KDF-50WE655, KDF-55WF655, KDF-60WF655, KDF-55XS955, KDF-60XS955, KF-42WE620, and KF-50WE620

http://esupport.sony.com/US/perl/news-item.pl?news_id=
Read more: Help from Sony for LCD rear projection with blue spots - Home Theater Forum - Home Theater Systems - HomeTheaterShack.com http://www.hometheatershack.com/forums/sony/5351-help-sony-lcd-rear-projection-blue-spots.html#ixzz0gm8a3718

Don't bedeterred by the dating of this announcement, it is a manufacturing fault and they have been pr5etty good to a lot of people with the same problem.

Please rate my help++++Thanks for using FIXYA

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Dot problem in Sony DLP TV caused by bad light engine (optical block)
Its costly part and needs qualified TV tech to fix it.

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you have a bad optical block

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OUr Sony Grand Wega KDF-60XS955 has a blue corner

I had the same problem with my 4 yr old Sony KDF60WF655 rear projection set, and I was fortunate to buy a 4 year extended warranty - because it was the $1300. (not incl labor), Optic Block that was replaced to fix the problem. That part contains all new LCDs, & Lens & some electronics. I had already got a new bulb (under warranty) a few weeks earlier, that I had not yet installed so the service guy did replace that as well. (This happened 3 weeks before my warranty ended)

He told me that he replaces hundreds of Sony Optic Blocks every year and that many Sony Rear Projection sets have FACTORY extended warranties because of some known problems with the blue LCD panels.

The tech checked my Service Codes & showed me the TV had been running for 10051 hours in about 4 years - on the Original bulb! He was quite surprised because he said the bulbs usually last about 5000 - 7000 hours. He also said it's good to replace them BEFORE they go bad, because they can sometimes burn out the amplifier that powers the bulb, (which is a seperate piece that attaches to the outside of the Optic Block). My TV is like new now.

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Please help-question about sony optical blocks

Talk to Sony about the blue blob issue, they may still replace the optical block for free.

If not, fix the blinking light TV.

Blink Codes
3X - Lamp cover not installed correctly, usually after lamp change, or cover detect switch is bad.
4X - Check fans (one or more failed to pass RPM test during power on diagnostics)
5X - Lamp ballast (power supply)
6X - Usually the thermal fuse - usually from inadequate air flow (fans dusty)

All other codes usually require a trained technician to diagnose and repair.

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http://esupport.sony.com/perl/news-item.pl?news_id=206&mdl=KDF42WE655
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http://splinke.googlepages.com/sonyrearprojectionlcdtv-opticalblock

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