Wonder what’s inside the Asteroids cabinet? Know what’s inside and need to fix it? Do arcane arcade schematics make you drool? Ionpool.net is a comprehensive site of technical information for arcade consoles.

Their Asteroids offerings include a great technical troubleshooting encyclopedia, some Cocktail Asteroids goodies, a patch to operate in an Asteroids Deluxe cabinet, and photos of Arch Maclean’s cabinet restoration.

And if you want to go nuts with schematics, textfiles.com has pdfs of official service manuals.