CPU board connector A1J4 (to the driver board)
Solder side (lettered): A ground and B +5 V to the driver board; C to P the lamp latch strobes (C DS1, D DS4, E DS3, F DS6, H DS5, J DS8, K DS7, L DS10, M DS9, N DS11, P DS12); R solenoid 5, S solenoid 1, T solenoid 9, U solenoid 6; V key; W unused; X solenoid 2; Y, Z, /A and /B sound lines S8, S4, S2 and S1. Component side (numbered): 1 ground, 2 +5 V, 3 lamp strobe DS2, 4 lamp data LD3, 5 LD4, 6 LD2, 7 LD1, 8 to 14 unused, 15 blank, 16 and 17 unused, 18 key, 19 and 20 unused, 21 solenoid 8, 22 solenoid 7, 23 solenoid 4, 24 solenoid 3.
Systems
Related tips
- System 80 CPU board connectors and what they carry
- Which CPU connector housings can be reused
- Which driver board connectors cause the most trouble
- Driver board lamp connectors A3J2 and A3J3
- Molex housings and pins for the System 80 CPU connectors
- EDAC solder-lug substitutes for the CPU connectors
- CPU board connector A1J6 (playfield switch matrix)
- Driver board coil connectors A3J4, A3J5 and A3J6 (HH and BH)
Source: Repairing & Upgrading Gottlieb System 80 Pinballs from 1980 to 1989, Part Two, Clay Harrell (pinrepair.com)