Quote:
Originally Posted by old_tv_nut
I will be waiting with bated breath to see if degaussing fixes this.
Magnetization of a 21AXP22 color CRT has noticeable effects on purity, but not such gross effects on geometry. On the other hand, the high voltage is lower here so magnetic effects could be stronger.
Has anyone seen such pincushion due to bell magnetization before?
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I had on a 16AP4. It was only one corner though.
Rational thought suggests the only thing that causes pincushioning is a wide deflection angle on a flat screen or stray magnetism near the screen.
You could test by locating a not too strong magnet near to the rim of the CRT. However the bell is at at voltage so you would need to be extremely careful.