Drop target switch types by system
System 7 drop targets use leaf switches instead of the horseshoe wiper boards, and System 9 drop targets use microswitches.
Systems
Related tips
- Drop targets only rise part way in solenoid test: test mode uses a shorter pulse
- Drop target does not fall when hit
Source: Repairing Williams System 3 to System 7 Pinball 1977 to 1984, Part Three, Clay Harrell (pinrepair.com)