Quote:
Originally Posted by Electronic M
What era of set are you interested in?
Most sets made between 1955 and 1975 used a standard tuner with a modified phono motor to drive the shaft. The motor would push it's shaft forward and spin when powered to engage a down gear system that connected to the tuner shaft. There would be a star wheel on the tuner shaft and the wheel usually would have tabs on it's petals. The tabs depending on how they were set would contact a switch when on a channel detent. That switch would turn the motor off. Individual tabs could be set to not turn the motor so the tuner would skip unused channels...
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Tom, you must be a technical writer - that is an outstanding explanation, a very compendious paragraph! 
Cheers,
__________________
Brian
USN RET (Avionics / Cal)
CET- Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
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