Digital Equipment TU56H DECtape Transport Manuals

Manuals and User Guides for Digital Equipment TU56H DECtape Transport. We have 1 Digital Equipment TU56H DECtape Transport manual available for free PDF download: Maintenance Manual

Digital Equipment TU56H Maintenance Manual

Digital Equipment TU56H Maintenance Manual (75 pages)

DECtape Transport

Brand: Digital Equipment | Category: Storage | Size: 3 MB

Table of Contents

Table of Contents
3
Introduction
7
Specifications
7
Options
9
Controls and Indicators
10
Major Assemblies and Systems
10
Tape Motion System
11
Power Supply
13
Unpacking and Inspection
15
Mechanical Installation
17
Mounting Support Plate Bracket and Spacer Block Installation
17
Spacer Support Bracket Installation
17
Transport Installation
18
On-Line Operating Procedures
21
Operation
21
Tape Loading and Unloading
21
Chapter 3 Theory of Operation

22
- Interface
  22
- Input Interface Lines - Command Cable - A06/ A07
  23
- Select
  23
- Con Stop
  23
- Con Rev Rem
  23
- Con Fwd Rem
  23
- Con All Halt
  23
- Con Pwr up Dly
  24
- Write Echo
  25
- Bi-Directional Interface Lines - Information Cable - AB
  25
- Timing Track (TT)
  25
- Mark Track (MT)
  25
- Data Tracks (DO-D2)
  25
- Functional Information
  25
- Read/Write Head
  25
- Dectape Format
  25
- Local (Off-Line) Operation
  27
- Forward Tape Motion
  27
- Hold Tape Motion
  27
- Reverse Tape Motion
  27
- Remote (On-Line) Operation
  28
- Tape Transport Addressing
  29
- Error Checks
  29
- Select Echo
  29
- Write Echo
  30
- Tape Motion Control
  30
- Write Operation
  31
- Read Operation
  33
- Module Description
  33
- G847 Dual Motor Voltage Control
  33
- G848 Motor Control Module
  33
- G859 Clock Regulator Module
  34
- G888 Manchester Reader/Writer Module
  34
Chapter 4 Maintenance

37
- Recommended Tools and Test Equipment
  37
- Preventive Maintenance
  37
- Weekly PM Procedure
  37
- Monthly PM Procedure
  38
- Tape Care and Cleaning
  38
- Corrective Maintenance
  39
- Control Panel Lamp Replacement
  39
- Reel Motor
  39
- Motor Removal
  39
- Motor Replacement
  40
- Reel Hub Clearance Adjustment
  41
- Reel Motor Electronic Brake Adjustment
  41
- 40-Hz Oscillator Adjustment
  41
- Read/Write Head
  41
- Head Removal
  41
- Head Replacement
  43
- Head Output Check
  43
- Head Skew Check and Adjustment
  44
- Write Enable Circuit Check
  47
- Troubleshooting
  47
- Initial Checks
  47
- Signal Source and Tennination Tests
  51
- Recommended Spare Parts
  55

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