CONTAX - Contax RTS SPT

Complete technical service guide for the Contax RTS single-lens reflex camera and mechanically similar Yashica FR series models. This comprehensive manual covers adjustment procedures for critical shutter mechanism elements including first and second curtain travel times, X-sync timing, curtain alignment, and both manual and automatic shutter speed calibration. The document provides detailed wiring schematics for all circuit boards (main amplifier board, switch amplifier board, LED board) and terminal board diagrams (lens-mount, rewind-side, wind-side), along with technical illustrations of internal assemblies and the shutter/mirror-box module. An extensive troubleshooting section addresses specific failures including mirror release problems, LED display malfunctions, shutter operation issues, and provides systematic diagnostic procedures with continuity checks and resistance measurements. Complete disassembly and reassembly sequences are outlined for both the camera body and shutter/mirror assembly, with reference voltage specifications for circuit testing and identification of revised component parts. Essential reference material for service technicians and experienced enthusiasts performing comprehensive camera restoration and maintenance.