Fuse ratings to stock for System 11
Buy fuses rated 250 V, not 32 V. Slow-blow glass fuses are sold as MDL, fast-blow as AGC; System 11 uses slow-blow. Keep about five each of 1/10 A (not every game), 1/4 A, 1/2 A, 2 A, 4 A, 5 A, 7 A and 8 A slow-blow.
Systems
Related tips
- Common fuse ratings to stock
- Testing fuses with a meter
- Power supply board fuses (typical game)
- Auxiliary power driver board fuses
- Interconnect board and flipper power board fuses
- Check every fuse for the right rating and type before power-on
- A fuse blown at one end points to a bad holder
- Half the backbox lamps and the lower displays dead: check the backbox fuses
Source: Repairing Williams System 11 Pinball 1986 to 1990, Deel 1, Clay Harrell (pinrepair.com)