Switch matrix connectors A1-J5 and A1-J6
A1-J5 (to the front door): pin 1 return 7, pins 2-7 strobes 0-5, pin 8 return 6, pin 9 strobe 7, pin 10 slam switch. A1-J6 (to the playfield): pins 1-8 strobes 0-7, pin 9 ground, pins 10-17 returns 0-7, pin 18 +5 V, pin 19 spare.
Systems
Related tips
- Control board A1-J1 power connector
- Control board display connectors A1-J2 and A1-J3
- How the switch matrix is scanned
- A1-J4, A3-J1 and A3-J3 are double-sided edge connectors
- CPU board connector A1J6 (playfield switch matrix)
- Where to see the switch matrix strobes
- Coils lock on when the switch matrix connector is loose
- How the 32 option switches are read
Source: System 80 Service Manual, Gottlieb