Question about Sony Grand WEGA KDF-55WF655 36" Rear Projection HDTV

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Sony WEGA KDF-55WF655

Screen has gradually become darker during the past month. Adjustments to make it brighter no longer worked. Finally tonight, i heard a pop and the screen went totally dark and no sound. In reading several blogs, users have mentioned a blown lamp bulb as the possible cause. Would like to know if this is the cause of the problem. If so, can someone advise me of the steps to replacing the lamp bulb.

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  • Anonymous Mar 11, 2008

    replaced bulb, still is darker than when new

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What you need is the owners manual my friend. In here it will show you where to get to the lamp and how to change the lamp. Go to http://esupport.sony.com/US/perl/model-documents.pl?mdl=KDF55WF655&LOC=3
to get a free copy of the OWNERS manual. Page 16 tells you how to do this. Good Luck

Posted on Jan 14, 2008

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Turn it on, takes long time to show thin color vertical lines, full of screen. please help

Posted on Feb 28, 2008

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SYMPTOMS
Picture very red and not very bright only .
Checked tuner video, takes a while for picture to come up.


RESOLUTION
Replaced lamp fixed dark picture.

The full service manual will show you how to replace the bulb, however please follow all safety guidelines.

If you need the full service manual contact me at billyjones@fletchersite.com

Billy

Posted on Jan 14, 2008

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Where is light bulb on wega kdf50we655

Posted on Jun 01, 2010

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It is definitely a blown lamp.
Unplug your TV, and thenm you can replace your lamp.
The service manual will show you how, and you can call Sony, and they should also help you.
This is a common problem to hear a pop, and then everything goes dark.
When you notice your picture going dark, is the time to buy a new bulb. It would probably be in before the old one goes, but no guarantee. Good luck

Posted on Jan 14, 2008

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Posted on Jan 02, 2017

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1 Answer

Sony kdf46e2000


If the "bar" is black or darker than the rest of the screen it is a damaged optical light engine--caused by the intense heat from the lamp that shines into the engine.

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I noticed that my TV Sony Wega LCD Projection TV picture is darker than before. I tried to set brightness to very high, but still seems to be darker


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.i have kdf-55wf655 my screen is get darker and


Well it could either be that your lamp is going out or that you have a weak ballast. This depends of certain things. If you haven't replaced the lamp, I recommend you do. If you already replaced the lampo and the image is still like this, it might be that your ballast is sending irregular voltgage, and that's why you get a dark image. discountdashmerchantdotcom

Jul 27, 2009 | Sony Grand WEGA KDF-55WF655 36" Rear...

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Tinny blue points on the screen on my sony wega kdf-55wf655


sorry, a bad optical block
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Jun 13, 2009 | Sony Grand WEGA KDF-55WF655 36" Rear...

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Changing the lamp in a Sony Wega KDF46E2000


Click Sony Support to download instruction manual of KDF-46E2000that has lamp replacement info in detail.

Click Sony Support to download instruction manual of KDF-55WF655
that has detailed procedure of lamp replacement.

lamp replacement is very easy and mentioned in related instruction manual of TV. Please buy original Sony lamp from Sony Accessories Store and avoid aftermarket / cheap lamp.

May 02, 2009 | Sony Grand WEGA KDF-55WF655 36" Rear...

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Picture getting darker


The tv has a room light sensor,
shine a bright light at it , does picture get brighter?
other wise when it is cool open the bulb door , is it coated or blackened, Don't touch bulb at all.

and a heavy covering of dust on internal mirrors will cause the same effect.
you will need help to clean it.

Jan 26, 2008 | Sony Grand WEGA KDF-55WF655 36" Rear...

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Picture screen is darker than normal


http://esupport.sony.com/US/perl/news-item.pl?news_id=206
with SONY extended warranty and thought I would let you all know of the recall.

For models:
Models: KF-42WE610, KF-50WE610, KF-60WE610, KDF-70XBR950, KDF-60XBR950, KDF-42WE655, KDF-50WE655, KDF-55WF655, KDF-60WF655, KDF-55XS955, KDF-60XS955, KF-42WE620, and KF-50WE620.



/This is a free repair on the optical block/engine. For specifically a road mapping issue. (Where there is sparactic grouped lines on the screen of the TV)

Otherwise there is a full recall on all 50XBR1's and 60XBR1's for ANY video issue.
But the bullentin I do have on that is Confidential due to the amount of claims SONY could recieve. But here is a sample of the bulletin.

Models: KDSR50XBR1, KDSR60XBR1

Subject: Optical Block: Warranty Policy and Part matrix by serial number.

Resolution: As part of Sony’s commitment to quality, Sony is announcing that it is extending the limited warranty (parts and labor) for optical block replacements on the models listed above until October 31, 2008, regardless of purchase date. Authorized servicers should follow the normal process for warranty claims for this issue.

http://www.sonysxrdtvclassaction.com/main/home.sfx

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