Adjusting Your CRT's Color - CRT Database
2022年3月22日 · The best way to check your CRT's Purity is to display a solid green screen. In 240p Test Suite, go to the "White and RGB Screens" test, and press Right Trigger/Shoulder on your controller to switch from White, Black, Red, Green, and Blue full screen colors. Look at the fullscreen Green for any areas of the monitor with inconsistent green color.
SER FAQ: TVFAQ: CRT purity and convergence problems
Purity assures that each of the beams for the 3 primary colors - red, green, and blue - strikes only the proper phosphor dots for that color. A totally red scene will appear pure red and so forth. Symptoms of poor purity are blotches of discoloration on the screen.
CRT Color Calibration Guide - ConsoleMods Wiki
Since you generally can't change settings related to the reference color (e.g. Green) for many CRTs, if Green is far off-target in the CIE diagram, you will need to fix color purity either through menu options (for very high end sets) or through adjusting the rings on the yoke of the set.
SER FAQ: TVFAQ: CRT purity adjustment - Repair FAQ
Purity on modern CRTs is usually set by a combination of a set of ring magnets just behind the deflection yoke on the neck of the CRT and the position of the yoke fore-aft. As always, mark the starting position of all the rings and make sure you are adjusting the correct set if rings!
Color Purity Problems on a CRT - shmups.system11.org
2018年3月5日 · When I first got the CRT there were no purity problems - however after transporting it home and adjusting the geometry in the service menu, I noticed the right side of the screen would take on a green hue and the left side would take on a blue hue when viewing a pure white screen from the 240p test suite.
How do I fix this discoloured spot on my newly acquired CRT TV?
2021年10月21日 · Sometimes if you have a very bright white field on a CRT monitor for an extended period of time you’ll start to notice some blotchiness or uneven white levels on the screen. This is due to the shadow mask distorting because it’s being heated by the electron beams that are passing through it and the electrons that are hitting the solid ...
Setup Adjustments For CRT Colour Monitors - Arcade Otaku Wiki
Colour Purity Adjustments. Screen color purity is normally the first CRT setup adjustment to be made, but it doesn't normally drift very much over time and therefore doesn't require routine adjustment. Purity is said to be good if, when each color is turned on and the other two turned off, the entire screen is all one color.
SER FAQ: TVFAQ: CRT convergence adjustment
Turn the color control all the way down so you have a B/W picture. Static convergence sets the beams to be coincident in the exact center of the screen. This is done using a set of ring magnets behind the purity magnets on the CRT neck.
HD CRT color issue (purity?) : r/crtgaming - Reddit
2023年10月21日 · The only issue I couldn't fix is this yellow discoloration on the right edge of the screen. Adjusting convergence seems to improve this slightly, but not enough before completely messing up color alignment. Could this be a purity issue? I have already moved the tv around and can confirm that there isn't interference around that area.
CRT TV (Consumer, SONY Trinitron WEGA) color purity issue
2021年12月24日 · I've got a large CRT TV from 2005; SONY Trinitron WEGA. These are very common. Anyway, the top left corner of the screen has a little problem with color purity that doesn't go away with degaussing. I also notice in the same place a little bit of warped geometry. It's not severe, but it would be nice to fix it if it's not too hard to do.