NIKON - Nikkor AFI 400mm f28D service

Complete repair manual for the Nikon AF-I Nikkor ED 400mm f/2.8 D IF telephoto lens. Published by Nikon Corporation in July 1994, this technical reference provides comprehensive information for maintenance and repair of this professional-grade optical system. The manual encompasses detailed sections covering the optical construction of the lens, complete wiring diagrams, electrical circuit schematics, and precise technical specifications. It includes detailed FPC (Flexible Printed Circuit) board diagrams for both the main control system and LED components, with a comprehensive IC terminal identification chart. The documentation features exploded assembly drawings with systematic part numbering according to Nikon's standard coding system and a thorough parts list identifying all components by type, dimensions, and specifications. The manual provides explicit instructions for disassembly procedures, reassembly sequences, and precision adjustments required for proper lens operation. Additional sections explain the notation conventions and symbology used throughout the technical drawings, enabling technicians to accurately interpret all illustrated procedures and specifications. This comprehensive resource is designed for authorized service technicians, specialized repair facilities, and photography professionals requiring detailed technical documentation for the maintenance and repair of this high-performance telephoto lens system.