Quote:
Originally Posted by Jon1967us
You mean the yoke cover? Very fancy. Does the cover serve any purpose other than a means of holding the yoke in place and acting as a sort of guide for the adjustment?
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In his case the rear cover also held the centering rings (these are magnetic).
The yoke has to be kept stationary with respect to the CRT because any movement between them will effect the image centering, size and rotation.