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I have a Mitsubishi Projector. The image is beautiful, except for the yellow discoloration at the bottom of the picture.

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Is it a DLP or LCD ?

Posted on Feb 12, 2008


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SOURCE: Projector TV Image Discoloration

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Posted on Feb 12, 2008

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My TV Sony Wega KDF-50E2000 had a message showing on the left side of it to replace the projector lamp. It has a blue semi-circle line and yellow color display. I have replaced the lamp however discoloring...

The yellow blotching is your blue filter going out in the light engine. You will need to replace the engine, but the cost is so high you would be better off replacing your TV.

Oct 05, 2017 | Televison & Video

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the Lcd panels are defective, you need replace the Lcd panels (3 pieces, red, blue,green)
the model of the panel is LCX085A, (unit price is USD300)
We supply original projector lamp,bulb,parts,Lcd panel,Lens,DMD chip,motherboard ,powersupply,ballast... with high quality and competitive price.
Hope to cooperate with you.
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Feb 20, 2014 | Sanyo PLC-XP200L Projector

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When the projector is switched on with the visualiser the light on the wall screen from the projector is yellowy/green instead of the usual white light on the screen, this can alternate several times...

Generally speaking, if you have discoloration that changes during use, you will find that it's due to one or more of your cables either not being connected properly or being damaged.

The first thing I need to ask is whether or not you have this same discoloration when the projector is not connected to anything. If so, the problem is internal and I can't really help there except to tell you to contact a technician.

However, if the image color is fine when the projector is not connected to anything, the problem is definitely a cable or connection issue. That being said, try the following steps:

1) Check all your connections and make sure everything is firmly connected. Discoloration can occur from your cables only making partial contact. Also, while you do this, observe the ends of the cables themselves to make sure they are undamaged.

2) Flex your cables, starting at one end and moving slowly to the other. If you have a damaged wire, the image should change color/flicker/or even disappear entirely when you reach the damaged portion.

3) If that did not work, replace your cabling with a spare. If that solves your problem, then the old cable is damaged/defective and should be disposed of.

4) Normally, I would tell you to also check the settings in the menu as well, but if the image changes color during use, it's not a settings issue.

I hope that helps.

Jan 20, 2011 | Hitachi CP-X401 Projector

1 Answer

Projector says lamp failure and picture has turned Yellow

replace the unit,it sounds like its old,has been used a lot,and needs a complete replacement.

May 06, 2010 | Hitachi EDX-3280 LCD Projector

1 Answer

Yellow, blue and green ghosting of picture. Convergence mode will not allow realignment of the red and blue lines

Hi,it sounds like a light engine problem.Lcd Technology uses 3 chips blue,green and red that create the image ,when they start to fail color discoloration will occur.If it's an Dlp pay attention to sounds of buzzing,whirling and high pitch sounds because it could be your colro wheel.

Oct 05, 2009 | Mitsubishi WS-55511 55" Rear Projection...

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I have an Mitsubishi X490U Multimedia Projector - it hangs inverted in our church auditorium. The image on the screen looks okay with bright images projected, but dark images appear to look green...

This unit needs a new Optical block, most likely more than a new projector

check out for a replacement

by the way, your $10,000 projector only has 2600 lumens, a new/refurbished unit will have 4000 lumens for less than 25% of the cost of your unit

Jul 11, 2009 | Mitsubishi X490U Multimedia Projector

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Mitsubishi WT-46805

Most probable cause is a cracked or bad solder joint on th blue CRT drive board which is the small board attached to the bottom of the blue CRT

Oct 17, 2008 | Mitsubishi WT-46805 46" Rear Projection...

1 Answer

Mitsubishi hc 3000 projector
if you go to manual above page 26 you will find it normal thing.

Feb 17, 2008 | Mitsubishi HC3000U Multimedia Projector

1 Answer

Projector TV Image Discoloration

Convergence amp ic bad
Or send to

Feb 12, 2008 | Televison & Video

1 Answer

Yellow area in the projected image

Hello Media Man,

Looks like your projector has done it. Thats acommon trouble to ageing polirising lens, usually the blue. less blue, the green and red make up the yellowish image on the screen. The blue is bombarded with tremendous heat from the lamp and it fade and wash out. If its free, its worth replacing. Get quote for the poliriser; 2 pieces each color.
Good Luck.

Sep 28, 2007 | Mitsubishi ColorView XL30U Multimedia...

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