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Projector TV Image Discoloration

I have a Mitsubishi Projector.
The image is beautiful, except for the yellow discoloration at the bottom of the picture. The yellow "band" can be seen coming out of the lens of the projector.

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  • natebry Apr 19, 2009

    the color in the tv is really yellow and blue, very bright

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Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=

Posted on Feb 12, 2008

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1 Answer

Discoloration


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)
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Feb 20, 2014 | Sanyo PLC-XP200L Projector

1 Answer

Display Issues


This is typical of projectors that need replacement or calibration of polarizing plates. This needs to be done by a professional, and my company can help: www.digitronelectronics.com. Feel free to send us a message about your issue.

Jan 23, 2014 | Epson EMP 500 Multimedia Projector

1 Answer

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

There are flickering, rainbow-like color bands running across the screen, especially in the component inputs, not so much using the HDMI input, but still there.


Hi,if your tv is and Lcd rear projection it will be the light engine that needs replacement.Because lcd technology uses 3 chips green,red and blue that create the image and colors.When they start to fail you will get what you are getting color discoloration and rainbows.If your tv is DLp it will be the dmd chips which basically its like the lcd chips but instead of 3 chips its only one that creates the image.Hope this works God bless you!

Oct 06, 2009 | Mitsubishi WD-62525 62" Rear Projection...

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...

1 Answer

Sony 60" LCD projection TV has yellow screen discoloration


I would suggest to try to get this TV fix while still under warranty. Normally the manufacturers give one year.
In regards to the discoloration, there is not much you do but to let the Sony authorized repair center knows about it so they can fix it. Ask them if their work is guarantee as well for how long.
Good Luck.

Feb 25, 2008 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Image Problem


either dust build up beyond lamp or discolouration due to condensation on inside of lens.take lamp out blow inside or use hairdryer ,replace lamp.

Feb 21, 2008 | Sony VPL PX31 Multimedia Projector

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