TU60 DECassette Tape Transport

This maintenance manual details the TU60 DECassette Tape Transport, a solid-state, dual-drive magnetic data storage device. It covers:

• General Information: System description, tape specifications, and cassette restrictions (only DEC 100% certified cassettes should be used).
• Installation: Unpacking, inspection, and electrical setup procedures.
• Operation: Procedures for loading, unloading, and using the transport.
• Theory of Operation: Detailed descriptions of motion control (reel-to-reel, no capstans), read/write operations, logic, and analog servo systems.
• Maintenance: Comprehensive preventive maintenance schedules, adjustment procedures for servo loops, tachometers, voltages, and timing, and corrective maintenance/troubleshooting guides for logic and power circuits.
• Reference Drawings: Includes block diagrams and logic schematics for the interface, formatter, CRC logic, servo/motor control, and power supplies.