Bally coin unit
On Bally EMs the coin unit is a step-up/reset stepper that keeps count of the players coined in for the game in progress.
Systems
Related tips
- Gottlieb coin unit (1975 to 1979)
- Gottlieb Ax/Bx/Dx relays, coin unit and player unit: what each does
- What stepper units do in an EM
- Kinds of stepper unit
- Player 1 'up' lights stay off during play: clean the coin unit contacts
- Faults that point to a stepper unit
- Cleaning and aligning an EM stepper unit
- Quieting a buzzing coin lockout relay
Source: Repairing Electro-Mechanical (EM) Coin Operated Games to 1978, Part One, Clay Harrell (pinrepair.com)