System 80 CPU board connectors and what they carry
A1-J1: 5-pin single-sided crimp, main power, upper left. A1-J2: 24-pin single-sided IDC, display segments, right side. A1-J3: 17-pin single-sided IDC, display digit strobes, right side. A1-J4 to A3-J1: 48-pin (24 per side) double-sided crimp, CPU to driver board (solenoids, sound, lamps). A1-J5: 10-pin single-sided IDC, bottom edge, coin door and slam switches. A1-J6: 19-pin single-sided IDC, playfield switch matrix strobes and returns, bottom edge. J1, J4, J5 and J6 sit near the battery and most often need repinning.
Systems
Related tips
- Which CPU connector housings can be reused
- CPU board connector A1J4 (to the driver board)
- CPU board connector A1J5 (coin door)
- Card-edge connectors are System 80's weak point
- Connector parts usually needed to repin one System 80 game
- EDAC solder-lug substitutes for the CPU connectors
- CPU board connectors A1J1 to A1J3 (power and displays)
- CPU board connector A1J6 (playfield switch matrix)
Source: Repairing & Upgrading Gottlieb System 80 Pinballs from 1980 to 1989, Part One, Clay Harrell (pinrepair.com)