Spare fuse values to keep on hand

Keep about five of each: 1/2, 1, 1.5 and 2 A slow-blow for the playfield; 2.5 A slow-blow (playfield and F5); 3/8 A slow-blow (F3/F4 display); 3 A slow-blow (F10/F11 aux supply); 5 A slow-blow (F2); 7.5 A fast-blow (F9 playfield GI); 8 A slow-blow (F1 line and F7 solenoids); 10 A fast-blow (F8 backbox GI); 10 A slow-blow (F6 lamps and switches).

Systems

• Gottlieb System 3

Related tips

• Under-playfield fuse values
• Power box fuses F1 and F2
• A12 transformer panel fuses F3 to F7
• A12 transformer panel fuses F8 to F11
• Testing a fuse

Source: Repairing Gottlieb System 3 Electronic Pinball Games from 1989 to 1996, Clay Harrell (pinrepair.com)