Houdini stage curtain testing and calibration

Summary

American Pinball technical guide for Houdini stage curtain calibration and testing

Dave Brennan from American Pinball Tech Service provides a detailed technical guide for calibrating and testing the stage curtain mechanism on Houdini pinball machines. The video covers diagnostic testing through the service menu, hidden calibration utilities, troubleshooting servo connections, and step-by-step calibration procedures for the curtain and captive ball servo.