Power off for switch adjustment, and leave gold contacts alone

Switch the game off before bending or adjusting any switch. Never file or burnish gold-plated switch contacts; clean them gently instead.

Systems

• Gottlieb System 80
• Gottlieb System 80A

Related tips

• All tilt switches show as switch 26
• How the switch matrix is scanned
• System 80 switch matrix diodes
• Testing the switch matrix inputs with the test EPROM
• Game check-out, part 6: switches, tilt and slam
• The three tilt switches on a System 80 game
• Coin chute and game start faults are switch faults
• One or more playfield switches do nothing

Source: System 80 Service Manual, Gottlieb