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Color displays in rainbow effect

Panasonic CT32SF36A has a color issue that is not affected by changing the color adjustments. The appearance starts with blues and greens in the center and radiating in rainbow colors outward.

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Turn the colour down all the way - if the 'rainbow' still exists, it's a purity issue, which means your tube is not being demagnetised properly.

Have the picture tube degaussed with a special electronic wand (by a repairman for a small fee) and replace the degaussing dual posistor (PTC) - near the fuse on main board. Make sure you obtain the correct type number for your model.

If this doesn't fix it, then it's something far more serious and should be submitted to a workshop for further investigation, but that might not be economical.

Posted on Feb 16, 2011

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Remove any speakers or electronic items that are near the set.

Posted on Jun 28, 2008

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Posted on Jan 02, 2017

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1 Answer

Why do i have a green screen after i turn the screen adjustment screw?


since every display color monitors are only work with 3 primary color which are red, blue and yellow. You could also search it that by mixing these colors, you could get any color your want. Thats how color monitors work. Now in case of green color, it creates by mixing blue and yellow. When you are turning the screen adjustment screw, the red color plug will become lose, makes it appear green.
I hope your got the reason.

Jul 10, 2012 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Rainbow colors from bottom of screen to top corners


Check its degaussin posistor. Replace it. This component can be located at the main power regulator section.
Picture of the suspected component attached.
5_24_2012_8_30_27_am.jpg5_24_2012_8_30_45_am.jpg5_24_2012_8_31_09_am.jpg

May 23, 2012 | RCA TruFlat 27F520T 27" TV

1 Answer

I just need to adjust the resolution on this TV. NO ONE at RCA could seem to help me. Thank you.


hi,
did u mean to adjust the picture setting then go for the following
1 press menu on the remote
2. using down arrow select picture quality and press ok. available options in picture quality and its use is listed below. you can use it according to your preference.

Basic Picture Control- Displays the five slider controls for adjusting

the way the picture looks.

Contrast Adjusts the difference between the light and dark areas

of the picture.

Color Adjusts- the richness of the color

Tint Adjusts the balance between the red and green levels

Black Level Adjusts the brightness of the picture

.

Sharpness Adjusts the crispness of edges in the picture.


When exiting this menu, the Save Personal Picture Preset choice list will

appear. You can choose either Yes or No. If you save the settings as a

Personal Picture Preset, the TV will store the settings so you can reselect

them easily if someone changes the settings.

Picture Presets Displays- a choice list that lets you select one of three

preset picture settings: Bright Lighting, Normal Lighting, Soft Lighting

or Personal Picture Preset. Choose the setting that is best for your

viewing environment.

Auto Color Displays- a choice list that lets you turn on the feature that

automatically corrects the color of the picture. (This is especially useful

for tracking realistic flesh tone colors as you switch from channel to

channel.) Choose On or Off, depending on your preference.

Color Warmth Displays- a choice list that lets you set one of three

automatic color adjustments: Cool for a more blue palette of picture

colors; Normal; and Warm for a more red palette of picture colors. The

warm setting corresponds to the National Television Standards

Committee (NTSC) standard of 6500?K.

Video Noise Reduction Displays- a choice list that lets you turn on the

feature that automatically reduces noise from the picture. Audiovariable

enables the TV to automatically adjust noise reduction level;

off turns off noise reduction feature; on-fixed sets a fixed level of noise

reduction.

Dec 21, 2010 | RCA G36705 36" TV

2 Answers

Rainbow screen, no color, tv fell over


ur tv needs to be degaused using a degausing wand or ring. mos def needs to be taken to a professional to be done.

May 18, 2009 | Zenith SY2765S TV

1 Answer

Rainbow colors in top corners of tv


Hi

in this issue you have defective crystal color carrier or you have defective Jungle IC. But the best is to diagnose first.

Thanks!

Jan 14, 2009 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

I have a rainbow effect on my television screen.


the deguesing is not working of your tv.or maybe you have a load speaker near the tv. take it away near the tv it damage the color of your tv set.

Nov 15, 2008 | Televison & Video

1 Answer

Bad color


If it is a glass crt then you need to have the set demagnatized with a demagnatizing coil. All tv shops have one. This is worth fixing and usually at the price of a service call.

Mar 15, 2008 | Panasonic CT-32SX12 32" TV

1 Answer

Screen Color Looks Like a Rainbow


Good day.
The problem includes malfunctioning of you units deflection yoke, color circuit and failures in the chroma system.
Have it check by a repairman.


chris

Aug 04, 2006 | Toshiba 36A40 36" TV

2 Answers

Color rainbow in picture


Your problem sounds like someone got a magnet too close to the CRT. This can be removed with a degauss coil (which you probably do not have) or it will eventually go away if your built in degauss circuit is working. Everytime you turn on the set the circuit degausses the crt so colors can be displayed properly. If the circuit is not working you will need to have a tech repair it.

Jun 16, 2006 | RCA F27665 27" TV

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