DC Servo and Power Board

This document includes the engineering schematic drawings and a comprehensive parts list for a DC servo and power board. The schematics cover the voltage regulation, overvoltage crowbar, under-voltage detector, 5-volt reference source, power amplifier, summing amplifier, and drive control logic. The parts list provides detailed references for all integrated circuits, transistors, resistors, capacitors, and other components used in the assembly, along with notes for calibration and testing.