Question about RCA 20V500T 20" TV

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Screen Green Tint


Screen has a green tint that cannot be corrected with the color/tint adjustments.  Set is 3 yrs old; problem began 10 months ago.  Help!!

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  • Anonymous Apr 14, 2008

    I woke up Saturday morning to a green tinted Alan Shore! I fear that I have lost my blue gun, as everything appears in shades of red & green. My set isn't even a year old. What a bummer. . .

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My screen is lime green

Posted on Jan 04, 2009

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  • RCA Master
  • 1,779 Answers

Turn down your color and see if the screen has a normal black & white screen. If it doesn't then the CRT is bad (picture tube). If it is black & White then you have a either lost your red or blue.That problem will be in your video driver circuit of which a service center can handle.

Posted on Feb 18, 2008

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1 Answer

I own a Quasar SP-3235 32" TV. It has a slight green tint after 10 years of use. How can I adjust the color screens on this set? Is it a function of the remote like Sony TVs or do I need to remove


I would open it first and look, a lot of those had both the screen and drive controls on the PCB at the end of the picture tube, at least look there first.

You are dead on in looking for the screen controls, if you find one it should only be a tiny adjustment due to age and the Crt changing a bit.

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The color signal consists of Red, Green and Blue. Those three colors, at various degrees, make all the other colors on your screen.

If you have a BRIGHT green screen it's best you don't operate your set.
If it's just tinted green then there is a problem on the CRT (Cathode Ray Tube) drive board. Do check your "tint" setting and see if someone misadjusted it. If that isn't it then you need to have your set on an electronics bench and get an estimate for repair.

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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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Green tint I can't seem to fix


Hopefully someone on here has a manual and can tell you exactly where the tint controls are. Also need to try adjusting the color level, turn it clear down so you have a black and white picture.
Is the picture still green over the screen with the color control
set clear down to black and white? If it does, you might
have an issue with the green gun going out or problem in the
circuitry to it.


By the way, the best way to adjust the picture settings on a
tv are to first turn the color control clear down, then adjust
brightness and contrast for best black and white picture, then
bring up the color level to where it should be and adjust the
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I would check the green signal all the wat to the display screen to determine is this is a signal problem or a system short. I would recommend that you take this set to a qualified electronics technician

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1 Answer

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most atimes if i adjust the screen adjuster on the voltage multiplier i always observe that the screengoes green(lg 21" television),and if i readjust the screen,the greengoes off.Rubberhead,try adjusting the sceenknob on your voltage multiplier(line transformer).

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