Question about Standard (CRT) Televisions

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Green tint on left & right edges of screen

(Flat screen analog)
Suddenly, the left & right edges of my screen have a green tint. No settings were changed, and I did check. What component just went bad?  Thanks!!!  -Bill

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Re: Green tint on left & right edges of screen

Purity problem?? Try manual de-gaussing.....T

Posted on Oct 25, 2007

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The color on my Toshiba 27A41 is not uniform and varies from the left (purple tint) to the right (green tint) with red tint in the center. Otherwise the picture is very good. How do I adjust the color so...

It may be that the degaussing circuit isn't working. This simple device should demagnetize the CRT each time the set is turned on. The circuit consists of a Varistor and the coil surrounding the front edge of the picture tube. The Varistor allows a surge of quickly declining current to flow through the coil to remove any buildup of magnetism that can cause the color problem you currently have. Varistors can fail since they have very low resistance cold and very high once warmed so the momentary power that they dissipate is fairly high and may cause them to fail over time.
You can roughly check the operation of the degausser by using a weak magnet near the TV screen to see the effect it has then turn the set off for 1/2- 1 hour, turn it back on to see if the error you caused with the magnet is removed. Don't use a strong magnet as that influence can take months to remove.

Nov 24, 2010 | Toshiba Standard (CRT) Televisions

1 Answer

The picture has a green tint to it on all channels

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.

Apr 17, 2010 | Sony FD Trinitron WEGA KV-27FS100 27" TV

1 Answer

Corner tints and white lines

it can be a picture tube problem. moreover, check if your tv is dusty inside it . clear it with blower and try again.


Jul 31, 2008 | JVC AV-32120 32" TV

1 Answer

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
tint for best red/green ratio.

May 20, 2008 | Mitsubishi CS-27205 TV

2 Answers

Screen Green Tint

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.

Feb 18, 2008 | RCA 20V500T 20" TV

1 Answer

HDTV tube television - with green tint on right half of screen

i had the same prob on my 28 inch hd sanyo crt , i took it apart and reconnected a few plugs and havent had any trouble yet { be sure to unplug it and b quite careful even then} saved me a couple hundred $ !!!

Nov 19, 2007 | Standard (CRT) Televisions

1 Answer

Green tint on a SRT2232S

  • green tint & also very prominent when there is a black screen.
  • this problem is due to degaussing effct or magnetic effct in tv.
  • please remove magenatic material near tv like speaker or headphone.
  • if you have turned the direction of tv please bring to normal put the tv on & put it off for 30 minutes & now put it on it will be ok.
  •  do not turn tv when it is on
  • hope this will help.


Oct 22, 2007 | Sylvania SRT2232S 32" TV

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Picture tinted green

green tint & screen dark means that there is a problem in green video circuit. 1 check green video supply . 2 components in green video ckt. 3 adjustment in green video section. 4 check for signal to green video.

Sep 16, 2007 | Toshiba 36AF42 36" TV

2 Answers

Sanyo Tv color problem

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

Sep 10, 2007 | Sanyo DS27910 27" TV

1 Answer

Toshiba 32AF41 Power up Problem and Green Screen

My first inclination would be to check the picture tube, especially if the set is over 7 years old. If it is not that, then anything from bad solder connections to capacitors or a defective IC could be the cause. If it's over 10 years old, replace it. No use flogging a dead horse.

Jan 13, 2007 | Toshiba 32AF41 32" TV

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