Rx50 Seek/Interface PCB

This document contains a series of eight schematic sheets for the RX50 floppy disk drive's controller and interface electronics. It details the circuitry for: - Interface and drive select signals. - Sensor control logic (index, track 0, clamp arm). - Stepper motor driver logic. - Read/Write control signals. - Spindle motor speed control. - Write circuitry. - Head switching logic. - Final read amplification and signal conditioning.