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Convergence is both electrical and mechanical. The blue CRT is the reference; there are individual height, width, centering, and linearity adjustments for red and green. Also, there are magnets on the red and green CRTs for fine adjusting on the sides and corners. The set does display a bright picture like the brochure says, but is really finicky with convergence. Convergence changes with viewing angle to some degree. The circuits drift quite a bit, especially the tuner, but that might be due to age (this set has only had a few capacitors replaced in the vertical section so far).
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Erich Loepke
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