TSZ05 Tape Drive Technical Manual

This technical manual provides comprehensive information for programming, troubleshooting, and repairing the TSZ05 Tape Drive. It is primarily intended for Digital Customer Services personnel. The document covers:

• Introduction (Chapter 1): A general description of the TSZ05 Tape Drive, including model variations, electrical, mechanical, environmental, and performance specifications, and details on its front panel switches and indicators.
• Small Computer System Interface (Chapter 2): In-depth information about the SCSI, including control signals, pin assignments for unshielded connections, messages, status bytes, and various SCSI commands and their descriptor blocks (e.g., Copy, Erase, Read, Write). It also details different error processing types for SCSI commands.
• Maintenance (Chapter 3): Basic maintenance procedures for the tape drive, categorized into 20-hour, 40-hour, and 6-month intervals, including cleaning instructions for various components like the read/write head, tape path, and air filter.
• Troubleshooting (Chapter 4): Guidance on interpreting error codes displayed via front panel LEDs, SCSI power-up diagnostics, SCSI diagnostic functions, and service aid diagnostics (both tape unloaded and loaded).
• Removal and Replacement Procedures (Chapter 5): Detailed instructions for the removal and replacement of field replaceable units (FRUs), along with adjustment procedures for components like the read threshold, skew, supply hub, take-up hub, tension arm, and tape alignment.