Bally 00-90 match unit

Bally's 00-90 unit is a continuous stepper with no reset or step-down coil. It advances every time the 10 point relay fires, changing the match number and often switching playfield features.

Systems

• Electro-mechanical

Related tips

• What stepper units do in an EM
• Kinds of stepper unit
• Gottlieb player unit
• Williams 1970s match unit stops advancing
• How the EM match feature works and is disabled
• EM match unit stuck on one number
• Cleaning and aligning an EM stepper unit
• Gottlieb coin unit (1975 to 1979)

Source: Repairing Electro-Mechanical (EM) Coin Operated Games to 1978, Part One, Clay Harrell (pinrepair.com)