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While watching tv a moment ago the screen began to fade and now the picture has a blue green tint to all the colors. I have a Samsung DLP tv

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Hi,do you hear buzzing,whirling or high pitch sounds? if you do it could be an issue with the color wheel If the TV have the infamous blinking lights problem and you're replaced your lamp without success, it's most likely a problem with your color wheel. The Samsung color wheels spin anywhere from 6,000 to 15,000 revolutions per minute (RPM’s)--It is one of the few consumable parts in your Samsung TV. The average life expectancy from our data logging shows the Samsung color wheels are fairly reliable with a MEAN average of 5-8 years .It could also be the DMD board this is how it works:http://electronics.howstuffworks.com/dlp1.htm One simple way to test if it is the DMD board it's to display thew menu,if menu is also affected that for sure what it is.God bless you!

Posted on Sep 30, 2009

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Posted on Jan 02, 2017

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1 Answer

What causes a blue/green screen on samsung dlp TV?


The color wheel is acting up. It may need cleaning. Use extreme caution when cleaning the wheel. Never use paper like a kleenex or paper towel. This will ruin the surface of the wheel. It's best left to a pro.

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In those sets there is what they call color wheel and it could be on its way out it sounds like its stuck.or not working prop in any case you need to bring it in for service place

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1 Answer

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Hello Jdillon917,

I understand what you are saying, however the devil is in the details in reference to your problem. Let me explain, DLP Televisions use what is called "Color Wheel Technology". A wheel made up of primary and secondary colors spin at a synchronized rate with the Luminance Video signal and this along with the changing of the mirrors of the DLP processor creates the color that you see on the screen (This is a high level description, but it covers what is happening). Now what you are experiencing can happen if the sync between the signal to the color wheel and the DLP processor is off center, if the color wheel is out of alignment, or if the signal to the DLP is drifting. The bulb "light" is working but something happened to interfere with the sync between the color wheel and the DLP processor. I would suggest getting this looked at by a DLP qualified TV technician, because of the nature of this problem. In addition I would request that you have the technician do a certified alignment after the problem is taken care of.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

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1 Answer

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I encountered the same problem with a color computer monitor several years ago. Everything went green. The repair techies told me that's a sign that the power supply is going bad. You will not be able to adjust the color. You will have to either fix it or replace it. Hope this isn't a common problem with this model Samsung TV.

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Samsung color wheel fix
http://www.jangro.com/a/2006/07/24/samsung-dlp-replace-color-wheel/

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