Flipper power supply board (Fire! and earlier)
On Fire! and earlier, a narrow board beside the CPU board (on its right) powers the flipper coils. It carries just one fuse, one bridge, one resistor and some capacitors. From Big Guns on, this circuit is part of the auxiliary power driver board.
Systems
Related tips
- One or both flippers weak
- One flipper does not work at all
- Burning smell, then flippers, pops and eject all dead: broken flipper EOS switch
- Flippers and lock kickout dead with good fuses
- Interconnect board and flipper power board fuses
- System 11 backbox boards at a glance
- System 11 bridge rectifiers and their filter capacitors
- Flipper coils have two windings
Source: Repairing Williams System 11 Pinball 1986 to 1990, Deel 1, Clay Harrell (pinrepair.com)