Thread: Convergence ?
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Old 01-19-2024, 05:22 AM
Alex KL-1 Alex KL-1 is offline
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Join Date: Jan 2021
Location: Brazil (Paraná)
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Quote:
Originally Posted by Electronic M View Post
If you mean purity process that's fairly simple. Degauss first. Turn down all screens except red (I sometimes cheat and use a pure red video field if I don't want to do grayscale), loosen the deflection yoke and slide back until it touches the convergence yoke...The picture should now look tie-dye with a red spot near center, adjust the neck purity rings until the red dot is centered then slide the deflection yoke forward until both full screen and best Purity is obtained (there's usually 1/2"-1" of wiggle room in the full screen range to allow adjustment for best edge purity) and lock it down there. Preform grayscale and check static convergence (the 2 can interact.... badly enough that if you swap CRTs you may have to do 2-3 consecutive Purity and static convergence adjustments before both are right)... Sometimes I've had to cheat purity by adjusting rings a bit with the yoke forward because the above by the book process didn't work as good as desired after a couple of tries.
Interesting, sounds simple.
Just at this moment I'm reading the post, I'm at work, but I checked this TV photos, since just now I remebered some... issue: I saw that the yoke is integrated to the convergence assembly. Even the static rings seems to be lying at same structure... oh-oh... maybe if I try at least to move the assembly sideways and back and forth, maintaning the rotation angle, to check?
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