X-Y Decoder Switch

This document is a technical schematic for an X-Y Decoder Switch, dated 1972. It includes a detailed component diagram featuring various transistors (labeled Q1 through Q16), diodes (D1 through D26), and capacitors, alongside a comprehensive parts list. The parts list details specific components, their descriptions, and Digital Equipment Corporation part numbers, such as transistors (DRC 10), diodes (D672, D668, D661), and various resistor values. This material is provided specifically for test and maintenance purposes.