NIKON - Nikkor AFI 400mm f28D service

Complete service manual for the Nikon AF-I Nikkor ED 400mm f/2.8 D IF telephoto lens, published by Nikon Corporation in July 1994. This professional-grade repair documentation covers the optical design and construction of this high-performance lens system, with detailed wiring diagrams, electrical schematics, and full technical specifications. The manual includes FPC (Flexible Printed Circuit) board layouts for the main control electronics and LED indicator circuits, plus a comprehensive IC terminal identification reference. Exploded assembly diagrams show all component positions and relationships, with parts systematically numbered according to Nikon's standard catalog codes. A complete parts list identifies every component by type, size, and specification, making it straightforward to source replacements or verify assembly. Step-by-step disassembly and reassembly procedures guide technicians through the required sequence, while precision adjustment sections detail calibration and alignment methods essential for restoring proper autofocus and optical performance. The manual explains all notation conventions and drawing symbols used throughout, ensuring technicians can accurately interpret every procedure and specification. This workshop manual is essential for authorized service facilities, specialized repair workshops, and professionals maintaining or servicing this premium telephoto lens system.