TU55 DECtape 55 Instruction Manual

Company:	Digital Equipment Corporation
Part:	DEC-00-HZTA-D
Date:	1968-09
Keywords:

Copies

Address:	http://bitsavers.org/pdf/dec/dectape/tu55/DEC-00-HZTA-D_TU55_May69.pdf
Site:	Al Kossow's Bitsavers
Format:	PDF
Size:	3543487 bytes (3.4 MiB)

Chapter 1 Introduction and Description
- 1.1 General Description
- 1.2 Scope of Manual
- 1.3 Pertinent Documents
  - 1.3.1 Manuals
  - 1.3.2 Engineering Drawings
  - 1.3.3 New Module News Bulletins
- 1.4 Functional Description
- 1.5 Physical Description
  - 1.5.1 Electrical Details
- 1.6 TU55 Performance Characteristics
Chapter 2 Theory of Operation
- 2.1 Block Diagram Analysis
- 2.2 Detailed Descriptions
  - 2.2.1 Interface
  - 2.2.2 Unit Select Lines
  - 2.2.3 Command Lines
  - 2.2.4 WRITE ENABLE Signal
  - 2.2.5 Interface Connections
  - 2.2.6 Read/Write Head
  - 2.2.7 Tape Motion Control
  - 2.2.8 Remote or Programmed Control
  - 2.2.9 Local (Manual) Control
  - 2.2.10 Motor Control
  - 2.2.11 Transport Selected Signal
- 2.3 Module Descriptions
  - 2.3.1 Type R303 Integrating One Shot (Delay)
  - 2.3.2 Type W513 Level Amplifier
  - 2.3.3 Type G850 SCR Motor Drive
Chapter 3 Operation
- 3.1 Introduction
- 3.2 Controls and Indicators
  - 3.2.1 Operating Notes
- 3.3 Loading Tape
Chapter 4 Maintenance
- 4.1 Equipment Required
- 4.2 Preventive Maintenance
  - 4.2.1 Weekly Schedule
  - 4.2.2 Monthly Schedule
- 4.3 Tape Tension and Transport Stop Adjustment
- 4.4 Head Output Check
- 4.5 Head-Skew Check
- 4.6 Write Enable Circuit Check
- 4.7 Troubleshooting
- 4.8 Recommended Spare
Chapter 5 Engineering Drawings
- 5.1 Introduction
- 5.2 Circuit Symbols
- 5.3 Logic Signal Symbols
  - 5.3.1 Logic Levels
  - 5.3.2 FLIP CHIP Pulses
- 5.4 Semiconductor Substitution