Quote:
Originally Posted by drh4683
Ah, yes! Those were the big post-deflection purity rings! Zenith did it that way on the M and N line 23" sets. Very large and bulky apparatus and was secured with heavy copper braided cables that curved around the bell of the CRT. An unusual approach to purity adjustment. Not sure why Zenith did it that way in the beginning as I think the rest of the industry was using the much smaller and simpler purity ring assembly at the end of the tube.
|
Perhaps they did that (assuming it was adjusted electrically) to try to put the purity adjustments on the front....Zenith seemed to like to make as many of the service adjustments front-adjustable as possible.