CANON - canon camera eos650 20

Comprehensive service manual for the Canon EOS 650 and EOS 620 single-lens reflex cameras. This technical reference covers complete disassembly, assembly, and mechanical adjustments for both camera models. The manual is organized into three main sections: the first details external parts removal, front panel disassembly, and front panel assembly including shutter unit and mirror mechanisms; the second addresses electrical adjustments using the EOS Tool, covering shutter speed calibration, AE adjustments, autofocus alignment, and film advance preferences; the third provides general specifications, functional descriptions, electrical schematics, and wiring diagrams. Detailed procedures are accompanied by technical illustrations, component color codes, and specific instructions for specialized service equipment including the FS-5300 Shutter Tester and EV-500 Exposure Meter. Adjustment procedures encompass shutter timing, exposure level compensation, AF sensor positioning, inhibit voltage settings, and user preference configurations. The documentation includes comprehensive troubleshooting guidance and technical reference data essential for authorized service technicians performing maintenance and repair operations on these professional-grade camera systems.