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I was never crazy over the system 3 after pulling the back off the first one that I did a service call on back about 1985. I mean did they really think those module edge connect cables were a good idea? This set had a bad 9-160-x module(23" flavor). Little did I know this was the first of about a coupla hunert of these that I change over the next twenty years. at one time I had so many of those laying around the shop i coulda built the kids a fort out of 'em. Never before in any other set did I ever see a pincushion transformer of all things go bad! Pulease!(and 2 of 'em at that) I might have seen 2 out of ever 10 that the tri-pot crt was good for more than 5 or 6 years - as these things started bleeding like a leech victim I continued to marvel at the picture on the chromacolor 2's.From what I recall that tripot tube was gone somewhereabout the time the gen 2 "Advanced" system 3 came out. The RCA early COTY tube with the bonded yoke was only marginally better - the difference being that RCA proceeded to get their inline gun tube down pat while Zenith proceeded to go slam to DOO-DOO. I have to admit though that even in my case theres an exception to every rule - I have a mid 80's 25" console in my shop - the one with the flip down membrane tuner door and it looks great! I still haven't pulled the back to see what crt is in it - hate to mess with sometin' that works! I have to give Zenith kudos for makin' a 23v version of that tube, I just wish I new a reason for it. Must have been to sell twice as many 9-160 modules (they used diff. versions).
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