Early System 11 games have no A/C banks
The first System 11 games tied every coil and flash lamp straight to its supply, so they have at most 16 coils and flashers plus the 6 special solenoids. Check the manual or the solenoid test to see whether your game splits outputs into A and C banks.
Systems
Related tips
- 50 V coils on early System 11: under-playfield relay boards
- 50 V coil dead on an early System 11 game
- System 11 coil outputs
- What changes when fixing coils on System 11
- How System 11 special solenoids work
- How System 11 A/C switched solenoids work
- Where the coil diodes are on System 11
- Fitting a replacement coil on System 11
Source: Pinball Machines: How They Work & Troubleshooting, Norbert Snicer