Driver board A3-J5 and A3-J6
A3-J5: sound 4 on pin 1, coin lockout on 2, knocker ground on 3, +5 V spare on 4, sound 2 on 5, sound 1 on 6, sound 8 on 7, knocker on 8. A3-J6 drives the coin counters: 2nd on pin 1, 3rd on 2, 1st on 3, ground on 4.
Systems
Related tips
- Control board A1-J4 to driver board pinout
- Driver board A3-J2 backbox lamps
- How the System 80 driver board is laid out
- How driver board lamp latches work
- A1-J4, A3-J1 and A3-J3 are double-sided edge connectors
- How driver board coil transistors are switched
- Driver board A3-J3 lamp groups and relays
- Which transistor types sit where on the driver board
Source: System 80 Service Manual, Gottlieb