Check every fuse for the right rating and type before power-on
Before turning on a newly acquired game, check every fuse, not only for blown ones but for over-fusing: an 8 A where a 5 A belongs, or a fast-blow where a slow-blow belongs. Most System 11 fuses are in the backbox.
Systems
Related tips
- Use the exact fuse type and rating
- Power supply board fuses (typical game)
- Auxiliary power driver board fuses
- Interconnect board and flipper power board fuses
- Fuse rating rules
- Blown high-voltage display fuse in the backbox
- Common fuse ratings to stock
- Fuse ratings to stock for System 11
Source: Repairing Williams System 11 Pinball 1986 to 1990, Deel 1, Clay Harrell (pinrepair.com)