Bulbs worth keeping on hand for a System 11 game
Keep a stock of #47 bulbs (use them in place of #44: they draw less current and run cooler), #555 wedge bulbs, and #906 or #912 flash bulbs. Also keep #89 flash bulbs, and #1251 flash bulbs for the games that use them.
Systems
Related tips
- Bulbs to keep on hand for WPC games
- Bulb spares: #44 for CPU lamps, #47 for general illumination
- Which bulbs System 3 games take
- Bulbs to stock for a 6803 game
- The bulb next to the solenoid expander board must work
- Five flashes only: U12 timer or open R113
- Solenoid fuse F2 blows at power-up as every coil fires: CPU blanking circuit
- CPU flipper enable relay RY1
Source: Repairing Williams System 11 Pinball 1986 to 1990, Deel 1, Clay Harrell (pinrepair.com)