CANON - canonet g111 spt

Comprehensive technical guide dedicated to the Canon Canonet G-III 17 rangefinder camera and similar Canonet QL 17/19 models. This service manual covers detailed adjustment and maintenance procedures for this compact 1970s camera design. The document identifies critical adjustment locations including horizontal and vertical rangefinder compensation, meter calibration, meter housing positioning, rangefinder resistor settings, diaphragm opening, trapping blade mechanisms, release overtravel adjustment, transport release, and focus points. Step-by-step adjustment procedures cover diaphragm calibration against the 1/5.6 scale reference, trapping blade verification and clearance, meter accuracy adjustment using variable resistors, and infinity focus optimization. The manual provides comprehensive disassembly sequencing with particular emphasis on accessing shutter mechanisms and control levers. Meter testing protocols and battery system verification procedures are detailed throughout. Electrical wiring diagrams and exploded view photographs clarify component assembly and relationships. Comparisons between old and new battery-test board configurations include corresponding wiring schematics for troubleshooting and repair reference.