SM1000 Videographic Recorder Membrane Switch Replacement Procedure

This document provides a step-by-step procedure for replacing the membrane switch on an SM1000 Videographic Recorder, including removal of the instrument from its case, disassembly of the display molding, and refitting instructions. It also lists required tools, cautions about electrostatic damage, and references replacement pack part numbers for Mk. 1 and Mk. 2 displays.