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I never worked with the TCR, but saw many and heard a lot of stories. Probably the most famous TCR story was the emergency popsicle stick repair for the cart handling fingers. Right?
Probably the most infamous aspect of the ACR was when something would go wrong with a vacuum column/reel servo. It was rare, but when it did happen the ACR had enough power to rip the tape right out of the cassette. This malfunction was usually heralded by a wailing turbine sound, soon followed by a very loud WHACK!
Working on the RF was a little less dramatic. Congrats on your AFC fix! The chief had good reason to be impressed. Nice work, especially if you were new to the machine.
I was a student in the last AVR-1 training class in Redwood City, early 1978. The training class was quite helpful. The analog TBC (one full video line of buffer...in analog) was quite complex, but as usual it seemed most of the failures in practice revolved around power supplies and servos.
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