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Blue light on left of screen - Projection Televisions

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  • dandydono May 18, 2008

    started as a blue band about inch high, moved left and turned into a cloud. also have the blue dots in middle of sceen.

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  • 319 Answers

Do you have set next to a speaker or appliance that produces high magnetic field? If so move set to new location in room

Posted on Apr 25, 2008

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Model# KDF-42WE655 Sony TV- front screen has hundreds of tiny blue lights with solid blue running up the left side and now in center of screen it appears yellow light when turned on size almost the full...


bad light engine. light engine replacement is very expensive. I suggest to look for an expert Electronic Technician who can repair light engine. LCD replacement is quiet cheaper...

Nov 29, 2010 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Blue smears and dots on the screen and a orange yellow picture


Bad Light Engine/optical ASSY Encompass Parts Distribution 1-800-638-3328

Jun 01, 2010 | Sony Grand WEGA KDF-42WE655 42" Rear...

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Little blue dots on screen and large blue haze in upper left corn


Sounds like the light engine is going bad...that's why they stopped making these rear projection sets using LCD's. Costs almost as much as a new set! But get a second opinion before trashing it.

Apr 15, 2010 | Sony Grand WEGA KF50WE610 50" Rear...

3 Answers

Screen turns blue


You may have a bad blue picture tube but there is a way to deal with this first---This is a 2001 model and does not have a light engine---I did one of these with the same problem a week ago---the set has a black plastic block with six controls---three are Focus(red,green,blue) the other 3 controls are Screen controls(red, green, blue) Someone has to remove the entire piece on the front of the set below the screen(usually a plastic part) most of the time it is secured with 3 screws on either side of the set in the back; once you remove the screws the entire piece should pull out(pull from right to left(it will not fall off or come out easy--it is held in with several large plastic pegs) With it removed there is an inspection plate with 4 screws-----the screen/focus block is behind it.

You need to look very closely at the block to identify the focus versus screen controls----one row left to right will be marked Focus and the other row left to right will be marked screen------YOU need to locate the Blue Screen control(they are black like the block) With the set on(be careful) go to a video input with nothing connected---if you see a blue screen as well as the input number turn the BLUE SCREEN CONTROL SLOWLY TO THE LEFT UNTIL THE BLUE is gone.

If this cures the problem you may only be buying yourself some time----if the blue picture tube is bad sooner or later this trouble may return----I have seen sets where this was adjusted and the set worked for a year or more with no repeat of the trouble----replacing the blue tube would likely cost you 400 - 500 parts and labor.

I do this here for free so if this has helped you take a moment and give me a vote here.

SD TECH

Sep 03, 2009 | Sony Grand WEGA KDP-57XBR2 57" Rear...

1 Answer

There are blue dots all over the screen and a blue tint on the left side of the screen


It is problem of light engine (optics block assembly) in TV and complete light engine will be replaced. It is costly part, check with local TV repair shop for cheap fix if they can.

Jul 28, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Blue tint left side of tv


sounds like you need a new light engine. Sony can probably get you one at no cost if make enough noise, they are aware of problems with their light engines. good luck

Apr 25, 2009 | Sony KDF-50E2000 50" HDTV

1 Answer

Fixed Blue dots in central screen, blue fringe in lower left


You have a Bad Light Engine This is a high dollar part Call UED they may have a rebuilt one in stock 1-800-648-6657.

Feb 07, 2009 | Sony Grand WEGA KDF-60WF655 60" Rear...

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.

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