For what its worth, from the Black Hole manual
F1 Sound, Speech Power Supply 12V AC 1/2 Amp Slow Blow
F2 Power Supply 10V AC 5 Amp Slow Blow
F3 Displays 60V AC 1/4 Amp Slow Blow
F4 Solenoids 25V AC 8 Amp Slow Blow
F5 Controlled Lamps 8V AC 10 Amp
F6 Playboard Illumination 6.3V AC 10 Amp Slow Blow
F7 Lightbox 6.3V AC 15 Amp Slow Blow
F8 Sound/Speech Power Supply 24V DC 1 Amp Slow Blow
Note: F8 is not used in foreign games
