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PDP-12
Maintenance manual
Digital Equipment PDP-12 Maintenance Manual
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Also See for PDP-12
:
Reference manual
(321 pages)
,
Manual
(26 pages)
,
Maintenance manual
(261 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Chapter 1 Installation
Site Considerations
Space Requirements
Floor Construction
System Layout
Fire and Safety Precautions
Installation Constraints
Environmental Considerations
System Configurations
Standard Configurations
System Expansion
1/0 Interface
Predelivery Preparation
Preliminary Procedures
Shipping and Receiving Constraints
System Power Requirements
Source Power Requirements
Standard PDP-12 Shipping Specifications
Hubbell Wall Receptacle Part Numbers
Primary Ac Power Cables
Service Outlets
Cabling
Power Cable Line Identification
Unpacking, Installation and Inspection
General
Cabinet Unpacking
Cabinet Installation
Cabinet Inspection
Teletype Unpacking
Teletype Installation and Setup
Prewired Option Installation
Peripheral Equipment Inspection
Miscellaneous Items
Checkout
Preliminary Operating Checks
Teletype Test
Computer Memory Test
RIM Loader
Running Maindecs
Chapter 2 Maintenance
Introduction
Maintenance Equipment
Maintenance Test Programs
Mounting DIAL MAINTENANCE TAPES
Preventive Maintenance
Scheduled Maintenance
Corrective Maintenance
Preliminary Investigation
System Troubleshooting
Power Supply Specifications
Troubleshooting Techniques
Introduction
LINC-Mode Processing
8-Mode Processing
TCI 2 Tape Subprocessor
TC12 Console Checks
Logic Troubleshooting
Module (Circuit) Troubleshooting
Repairs and Replacements
Validation Tests
Log Book Recording
Chapter 3 Adjustments
Memory Current and Strobe
Initial Current Adjustments
Initial Strobe Adjustment
Memory Strobe Adjustments
Final Current Adjustments
Memory Margins and Final Strobe Adjustments
Power OK
Check Procedure
Adjustment Procedure
Extended Me~Ory MCI
Set-Up and Adjustment Procedure
Teletype Clock
Linctape
Tape Timing Pulses
LTD XTLK Delay
LTD TTOK Delay
LTD TAPE FAIL Delay
LTD ACIP Delay
Mark Clock Adjustment
TUSS Tape Transport
TU55 Brake Adjustment
TU55 Torque Adjustments
TU55 Transport Head Replacement and Adjustment Procedures
TU56 Tape Transport
TU56 Brake Adjustment
Oscillator Adjustment
Digital-To-Analog Adjustment Procedure (A6 L 5)
VR12 Size and Position Adjustments
Brightness and Brightness Preset Adjustment
Deflection Amplifier Quiescent Current Adjustment (VR I 2)
S Analog-To-Digital Adjustment Procedure
Sample and Hold Adjustment Procedure (A404)
External Analog Channel Adjustment Procedure
Extended Analog(Ag12, Am12)
Set-Up Procedure
Adjustment Procedure
Monitor Table for Channels 20 through 37
Chapter 4 Field Installation and Checkout of Prewired Options
Unpacking
Prewired Options
Installation
Option Maindecs Checklist
Option Modu!E and Cable List
Installation of Panels and Cables
Unit and Cable Installation Fortu55, VR12 Orvr14
Interconnections of TU55
TUS6 Unit and Cable Installation
K.F12-B And.dm12 Installation
DC Voltage Connections
TU56 Logic Cable Connections
Checkout
Checkout of TC12-F
Format Conversion Table
Checkout of the Linctape System
Checkout of VR 12 or VR
S Checkout of the KF12-B and DM12
Chapter 5 Teletype Maintenance Models Asr 33 and
Equipment
Preventive Maintenance
Weekly Tasks
Preventive Maintenance Tasks
Correctivemaintenance
Teletype Parts
Appendix A Maintenance and Service Options
Service Contracts
Service Contract Options
Eligibility for Service Contract Coverage
Per-Call Coverage
Depot Repair
Field Installation of Additional DEC Options
Appendix B Customer Acceptance
Special Customer Requirements
Customer Programs
Special Customer Acceptance Testing
Diagnostics
System Software Acceptance
Appendix C Forms and Checklists
Customer Acceptance Forms
Customer Data Forms
Software Trouble Reports
DECUS Information
Basic Accessory Checklist
Optional Equipment Checklist
Software Checklist
Final Distribution of Forms
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I
Digital Equipment Corporation
Maynard, Massachusetts
laboratory data products
PDP-12
maintenance manual
volume II
installation and
maintenance
'
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Table of Contents
Troubleshooting
Corrective Maintenance
36
Troubleshooting Techniques
37
Logic Troubleshooting
43
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