Find out first whether a coil is CPU-controlled
Not every coil in a System 80 game is fired by the electronics: pop bumpers have their own boards and flippers run straight from their switches. Before chasing the driver or control board, check whether the dead coil is one the CPU fires.
Systems
Related tips
- Some CPU-controlled coils are dead or locked on
- Check every coil's resistance before first power-up
- Adding an inline fuse to a non-CPU kicker coil
- Coil sleeves by mechanism
- Which coil lug the power wire goes on
- CPU chips to check for solenoid faults
- Playfield coil chart: resistance and use
- Gottlieb coil wrappers are colour coded
Source: System 80 Service Manual, Gottlieb