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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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I have an old Apollo Quantum 2521 Overhead Projector. The lamp is working, but it is creating a rainbow effect on the screen. Can you provide some help? Thankyou.


RBE or the RainBow Effect is a common phenomenon experienced by most projectors - generally worsens over time because of slower moving parts inside projector - by the sound of it the color wheel inside your projector could well be slowing down but this effect is quite common and in some people more than others...
Projectors Rainbow Effect What Causes It And How It Affects You

Heres an example of how it can look....
33-h2jr1tg5ljmmha1nbvyr2fkr-5-0.png

May 07, 2017 | Quantum Office Equipment & Supplies

1 Answer

Yellow screen


There are a variety of problems that can happen to the display monitor of an Acer laptop.
The most common problem is the screen fading or becoming too hard to see.
This can be corrected by adjusting the brightness levels.
Another common problem involves incorrect color, which can be resolved by adjusting the display color settings.
Yet another big problem is the display freezing or appearing jumpy, which can be resolved by updating the display driver.

Hold down the "Fn" key.
Tap the right-arrow key to brighten the display screen.

Tap the left-arrow key to darken the display screen.
Release the "Fn" key to save your display settings.
Color
Right-click on the desktop and click "Graphic Properties."
Adjust the screen resolution by clicking "Display Settings" and choosing a resolution setting from the drop-down menu.
Click "Apply" to check the resolution of the display.
Click "OK" to save the resolution settings.

Adjust the color of the screen by clicking "Color Correction" and moving the brightness or contrast slider to the right or left.
Click "Apply" to check the color resolution of the display.
Click "OK" to save the color settings.

Click "OK" to exit the Graphic Properties application.
Update the Display Driver
Right-click on the desktop. Click "Personalize," "Display Settings" and "Advanced Settings."
Click the "Intel Graphics" tab and choose "Monitor Properties."
Click "Driver."

Click "Update Driver" and choose "Search Automatically."
Click "Install" to install the updated monitor driver. After the driver has been installed, click "OK" to restart the laptop when prompted.
Yellow screen
Yellow tinting in monitors can be caused by either a software calibration issue, bad cables or a worn out display and backlight.
Before you assume that the issue is a hardware one, determine if there are software settings that affect the color or if the cables are working correctly.
After checking these items, and if the yellow tint only occurs on one monitor and you cannot eliminate it, the problem is a display hardware issue and it is less expensive to replace the monitor.

Unplug the power cord from the monitor and replace it with another one.
This is a standard power cord used in printers, monitors and desktop PCs so you can trade it for a cable from another device.
Turn on the PC and monitor to see if the yellow is still there.
Turn off the computer and monitor.
Replace the video cable with another VGA cable from another monitor.
Use one from another computer before going out to buy one.
Restart the computer to see if the yellow tint is gone.
Right click any area on the desktop and click "Properties" from the list of options that appears.
Choose "Display Settings," then "Advanced Settings."
Select "Monitor" and click the "Calibrate Color" button.
Wait to see if the yellow tint goes away.
Locate the temperature color settings on the monitor.
Adjust these to see if there is a change in the color.
A warm color setting will give the screen images more of a yellowish tint.
Click on the "Start" icon, then click "Control Panel" and "System and Security" and choose "Device Driver."
Locate the video driver and click "Update."
Select the option allowing Windows to connect to the Internet to find an updated driver.
Wait for the update to complete in a few minutes.
Expect the yellowing issue to disappear.
Connect the PC to another monitor to see if the same problem occurs.
If the yellow tint does not appear on the newly connected monitor, the problem is a bad backlight or display and the monitor should be replaced with a new one.



http://www.adobe.com/education/pdf/cib/ps7_cib/ps7_cib17.pdf

Jul 21, 2013 | Acer Computers & Internet

1 Answer

I have a creative live cam and it has a blue line in the middle of the screen


Lighting
Lighting is a common cause of strange webcam colors. When your webcam does not have enough light, it compensates by adjusting settings internally. The adjustments can result in color shifts that are not true to life. Bright, diffuse lighting reduces the workload on your webcam and allows it to display colors as they are. The light source should be behind the computer and pointed at your face to reduce shadowing and provide an even light. Avoid light sources behind you, as they can cause extreme contrast between your face and the light. b> Webcam Settings b> Most webcams come equipped with customization settings that allow you to adjust the display. Changing the settings while watching a preview webcam image can help you fix odd colors on the display. The location of the video settings varies, but is often located in the Preferences, Settings, Configure or Video menus. Adjust the tint, contrast and brightness settings until the image shifts to a normal color scheme. Webcam Drivers b> Webcam drivers allow the camera to function properly. When your drivers are corrupt or out of date, they can affect even the most basic display abilities. Webcam manufacturers publish the most recent driver downloads on their websites, usually on the individual product page, along with instructions for installation. To allow your computer to communicate with the webcam and use the drivers, run a software update to install any recent versions. b> Special Effects b> Some webcams come with built-in special effects that allow you to customize the appearance of the video stream. If an effect was enabled during the last session, it may stay on when the camera is turned on again. Turning the effects off will usually resolve the problem. The location of video effect settings varies by webcam model and manufacturer. Logitech Video Effects are located using the mask button in the QuickCam menu.

Feb 01, 2013 | Creative Labs Live! Cam Voice Webcam

2 Answers

How to remove auto brightness feature?


webcam displays colours b> Webcams are useful in both personal and business functions, from video chatting to video conference calls. When your webcam displays strange colors, it is usually due to a problem that is easily fixed even without advanced technical abilities. By trying at-home solutions before sending the computer or camera in for service, you can save time and money.

Lighting
Lighting is a common cause of strange webcam colors. When your webcam does not have enough light, it compensates by adjusting settings internally. The adjustments can result in color shifts that are not true to life. Bright, diffuse lighting reduces the workload on your webcam and allows it to display colors as they are. The light source should be behind the computer and pointed at your face to reduce shadowing and provide an even light. Avoid light sources behind you, as they can cause extreme contrast between your face and the light. b> Webcam Settings b> Most webcams come equipped with customization settings that allow you to adjust the display. Changing the settings while watching a preview webcam image can help you fix odd colors on the display. The location of the video settings varies, but is often located in the Preferences, Settings, Configure or Video menus. Adjust the tint, contrast and brightness settings until the image shifts to a normal color scheme. Webcam Drivers b> Webcam drivers allow the camera to function properly. When your drivers are corrupt or out of date, they can affect even the most basic display abilities. Webcam manufacturers publish the most recent driver downloads on their websites, usually on the individual product page, along with instructions for installation. To allow your computer to communicate with the webcam and use the drivers, run a software update to install any recent versions. b> Special Effects b> Some webcams come with built-in special effects that allow you to customize the appearance of the video stream. If an effect was enabled during the last session, it may stay on when the camera is turned on again. Turning the effects off will usually resolve the problem. The location of video effect settings varies by webcam model and manufacturer. Logitech Video Effects are located using the mask button in the QuickCam menu. On a Mac, effects for the built-in iSight webcam can be changed in the Effects 1 and 2 menus in the Photo Booth application. Hope this helps.

b>

Jan 17, 2013 | Computers & Internet

1 Answer

My webcam iball c8.0 is showing blurr images and is fully blurrr


Webcams are useful in both personal and business functions, from video chatting to video conference calls. When your webcam displays strange colors, it is usually due to a problem that is easily fixed even without advanced technical abilities. By trying at-home solutions before sending the computer or camera in for service, you can save time and money.

Lighting
Lighting is a common cause of strange webcam colors. When your webcam does not have enough light, it compensates by adjusting settings internally. The adjustments can result in color shifts that are not true to life. Bright, diffuse lighting reduces the workload on your webcam and allows it to display colors as they are. The light source should be behind the computer and pointed at your face to reduce shadowing and provide an even light. Avoid light sources behind you, as they can cause extreme contrast between your face and the light. b> Webcam Settings b> Most webcams come equipped with customization settings that allow you to adjust the display. Changing the settings while watching a preview webcam image can help you fix odd colors on the display. The location of the video settings varies, but is often located in the Preferences, Settings, Configure or Video menus. Adjust the tint, contrast and brightness settings until the image shifts to a normal color scheme. Webcam Drivers b> Webcam drivers allow the camera to function properly. When your drivers are corrupt or out of date, they can affect even the most basic display abilities. Webcam manufacturers publish the most recent driver downloads on their websites, usually on the individual product page, along with instructions for installation. To allow your computer to communicate with the webcam and use the drivers, run a software update to install any recent versions. b> Special Effects b> Some webcams come with built-in special effects that allow you to customize the appearance of the video stream. If an effect was enabled during the last session, it may stay on when the camera is turned on again. Turning the effects off will usually resolve the problem. The location of video effect settings varies by webcam model and manufacturer. Logitech Video Effects are located using the mask button in the QuickCam menu. On a Mac, effects for the built-in iSight webcam can be changed in the Effects 1 and 2 menus in the Photo Booth application. Hope this helps.

Jan 16, 2013 | Computers & Internet

1 Answer

A rainbow circle of color has suddenly appeared on the screen,


if there is a speaker near the set it will draw the color out

Jul 09, 2009 | Panasonic TH-42PZ77U TV

1 Answer

Rainbow color effect appears when Samsung LCD plays Wii or DVD


Hello, I have a question which video inputs are you using for your DVD and Wii connections? The reason I ask is because this sounds like video distortion cuased by noise. If possible can you send a picture of the screen when it has this problem and send which video ports are being used? If it is noise in the video you may have a saw filter problem, or a decoupling issue. In any event I'll know more once you send those pictures and which inputs you are using for your DVD and Wii. Thank you, Shuttle83 http://www.electron-age-technologies-llc.com service@electron-age-technologies-llc.com

May 30, 2009 | Samsung LN-S4692D 46 in. LCD HDTV

1 Answer

Color change


I had my stk's replaced, was able to take out the board and brought it to a tv repair shop, the fellow replaced the circuits and re soldered the circuits and heat sinks. Circuit Barn- Auburn, Mass. Jeff Murray did a great job. Reinstalled, and 56 point convergence, tv looks as good as new. I was disappointed too, because the set was purchased in december of 2002.

Nov 05, 2007 | Toshiba 42H83 42" Rear Projection...

1 Answer

Cannot adjust convergence, screen has rainbow effect


You probably need to change out the semiconductors. The parts are STK392-110. There are two of them, one for horizontal and one for vertical. Search it online more.

Dec 28, 2006 | Panasonic PT-53WX53 53" Rear Projection...

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