1960s Chicago Coin motor-driven stepper
Some 1960s Chicago Coin games drive a stepper with a motor and use a lock relay as a brake to stop it at the right position.
Systems
Related tips
- What stepper units do in an EM
- Kinds of stepper unit
- Bally coin unit
- Faults that point to a stepper unit
- Stepper cleaning, part 4: refit and test
- Cleaning and aligning an EM stepper unit
- Gottlieb coin unit (1975 to 1979)
- Gottlieb AS relay (miniature match stepper)
Source: Repairing Electro-Mechanical (EM) Coin Operated Games to 1978, Part One, Clay Harrell (pinrepair.com)