Bronica ETRSI Repair Manual

This comprehensive repair manual for the Bronica ETRSI covers the complete 6x4.5 professional medium-format SLR system. The workshop manual details disassembly and reassembly procedures for all major subassemblies—rear cover, film advance unit, shutter release mechanism, brake system, operating ring, and viewfinder module—each accompanied by numbered technical diagrams and precise parts listings. Critical adjustment sections address the 45° mirror, focusing system alignment, and essential mechanical settings. A complete troubleshooting guide identifies common problems including film advance failure, shutter release jamming, and sluggish mirror movement, with potential causes and recommended repair approaches. Wiring diagrams pinpoint electrical components and test points for systematic diagnostics. Reassembly procedures emphasize application of specified lubricants (Liqui-Moly greases and clock oils) and precautions against binding and misalignment. The progressive structure guides technicians from fundamental disassembly through precision adjustments of optical and mechanical systems. Exploded views and detailed part reference numbers ensure accurate component identification and sourcing throughout the service process.