SUNPAK - Sunpak Auto622 Flash Service Manual

Comprehensive service manual for the SUNPAK Auto 622 flash system, December 1985 edition. This detailed technical documentation provides complete coverage of the Auto 622 flash unit and its extensive accessory ecosystem. The manual opens with a technical description of the basic Auto 622 body, supplemented by block diagrams and circuit schematics that clarify the electronic architecture and signal flow throughout the device. A dedicated troubleshooting section enables technicians to systematically diagnose and resolve operational failures. Detailed disassembly instructions guide users through housing separation procedures to access internal components. The document features comprehensive documentation for five interchangeable flash heads: the Standard Head SH-1, Zoom Head ZH-1, Wide Head WH-1, Diffusion Head DH-1, and Ring Head RH-1. Additional sections provide full technical coverage of the Bare Bulb Head BH-1, IR Head IH-1, Battery Cartridge CG-10, and Conversion Plug CV-1. Each module includes wiring diagrams, component layout diagrams, and detailed parts lists for accurate identification and procurement of replacement components. General wiring diagrams, master component layouts, and component designation guides complete the reference material. This technical resource is essential for service technicians, professional repair facilities, and photography enthusiasts seeking to maintain, troubleshoot, or restore SUNPAK Auto 622 equipment.