System 80 board "A" numbers
A connector name such as A1-J3 means board A1, connector J3. On most games A1 is the CPU board, A2 the power supply, A3 the driver board, A4 the score displays, A5 the 4-digit status display, A6 the sound/speech board, A7 the sound/speech power supply, A8 the pop bumper driver board(s) and A11 the auxiliary lamp driver board.
Systems
Related tips
- System 80A games and their game numbers
- System 80B games and their game numbers
- Tools for repinning System 80 connectors
- System 80 CPU board connectors and what they carry
- Gottlieb wire color numbers
- Wire gauges in System 80 harnesses
- First-generation System 80 games and their game numbers
- Single-PROM System 80 games and their game numbers
Source: Repairing & Upgrading Gottlieb System 80 Pinballs from 1980 to 1989, Part One, Clay Harrell (pinrepair.com)