OLYMPUS - OM 4 exploded

Comprehensive technical documentation of the OLYMPUS OM-4 35mm SLR camera, featuring detailed exploded diagrams with component numbering and full internal mechanism illustration. This workshop manual provides thorough analysis of this compact yet sophisticated camera's internal architecture, including its pioneering Multi-Spot Metering system and advanced LCD viewfinder technology. The documentation details 47 key internal components: mirror systems, shutter mechanisms, motor and rewind drives, and the electronic control system built around a 4-bit CMOS microprocessor, SPD light-measuring sensor, and exposure management circuits. A dedicated section explains the advanced metering system with compound semiconductor sensors, the diopter-adjustable eyepiece offering wide correction range, and integrated electronic functions that distinguish this camera. The guide also covers onboard computer architecture, integrated circuit design, TTL flash synchronization contacts, and exposure control mechanisms. This technical reference delivers comprehensive understanding of the engineering innovations that positioned the OM-4 as one of the most technologically advanced cameras of its generation, combining portability with professional-grade photographic capabilities and automated exposure control. Ideal for technicians, service personnel, and serious enthusiasts seeking comprehensive repair and maintenance information.