Question about Sony Grand WEGA KDF-42WE655 42" Rear Projection HDTV

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Blue hue on left side of screen - Sony Grand WEGA KDF-42WE655 42" Rear Projection HDTV

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cheryl1999

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If it looks like a cloud, then its probably the optical block. The heart of the LCD. We had ours replaced twice (defective) under warranty.

Posted on May 13, 2010

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2 Answers

Blue hue on left side and tiny blue dots on most of screen. The dots seem to dissapear and reappear if you look closely. I changed bulb about two months ago and it seemed to just get worse since then.


The blue hue on the side and dots are most likely a damaged (burnt light or optical light engine).

This is very common and you may want to contact Sony as there were programs for some models even if OUT OF WARRANTY.


The lamp in the set shines into a a L shaped engine with baffles and lens (red, green, and blue segments) and Blue is closest to the heat from the lamp and usually is the first place to get this type of damage.

I do not enjoy giving bad news but this is what I am sure is your problem.


If this information and a honest answer told you something you did not know rate this solution as very helpful as I do this here for free.


REGARDS, SD TECH

Aug 11, 2010 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Problem with sony 60" rear projection TV


Hi,
I'm afraid, it is problem of optical block unit (light engine) that produce picture by 3 lcds inbuilt, the blue lcd and its related uv filters become defective and causing this kind of blue hue on screen.
Complete optical unit block (light engine) will be replaced by qualified tech to get tv fixed, light engine is costly part so ask an estimate before sending tv in.
Thanks.

May 21, 2010 | Sony Grand WEGA KDF-60XS955 60" Rear...

1 Answer

Blue hue on right side screen


Try changing your vga/dvi cable,or it could be colour decay.

May 07, 2010 | Panasonic PT-AE700U Multimedia Projector

1 Answer

I have a Panasonic PT-AE500U projector i am on my 4th bulb now and i have a blue hue on the left side. It was on both sides, i had it sent in and cleaned and now theres only a hue on the left side. I have...


Optical block is the culprit! replacement is not too difficult. About the only special tool required is a long phillips screwdriver to reach the screws securing the block to the front panel of the set. Then, there are three connectors on the C board which is part of the block, one connector on the left side of the C board, one fan connector on the left side and then two connectors on the lamp driver board which is on the back of the optical block. Two recessed screws hold the block to the front panel and sometimes there is a third recessed screw to the left of where the lamp is located. Then the block slides out. Reverse the procedure to install the block.
Thanks for using FIXYA

Nov 27, 2009 | Panasonic PT-AE500U Multimedia Projector

2 Answers

Blue dots and blue screen on Hitatchi 50"


Bad Light Engine Call UED for rebulit one 1-800-648-6657 They are not cheap.

Dec 26, 2008 | LG RU-44SZ51D 44" Rear Projection...

10 Answers

Blue hue on bottom of screen We have the same problem. A blue hue extending the bottom of the screen and now is working its way up the middle .


call SONY at 800 222 SONY and explain it to them and be prepared to have your TV fixed for free !!! the projection block is faulty do to outsourcing on that part for a limited number of tv's an mine was 1 of them , SOny took care of everything !!! good luck

Feb 15, 2008 | Sony Grand WEGA KDF-55WF655 36" Rear...

3 Answers

Kf-42610 blue hue and blue dots on screen


Hi Guys

The Blue dots or discolouration you are seeing is due too the Blue LCD screen having cracked from excessive heat. This normally happens when you have a power failure while the Television was on. This obviously because the Blue LCD sits next to the lamp - the main cause of heat. The correct part number on the 60" is A-1086-952-A. It is very, very ,expensive.

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

Aug 29, 2007 | Sony XL-2100U Projector Lamp for...

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