VT320 Pocket Service Guide

Company:Digital Equipment Corporation
Part:EK-VT320-PS-001
Date:1987-07
Keywords:terminal

Table of Contents

  • About This Guide
    • The VT320 Video Terminal
    • Tools Required
    • Warnings, Cautions, and Notes
  • 1 Testing and Troubleshooting
    • 1.1 General
    • 1.2 Troubleshooting General Problems
    • 1.3 VT320 Self-Tests
      • 1.3.1 Before You Start
      • 1.3.2 Power-Up Self-Test
      • 1.3.3 DEC-423 Port Loopback Test
      • 1.3.4 RS232 Port Data Lines Loopback Test
      • 1.3.5 RS232 Port Control Lines Loopback Test
      • 1.3.6 Printer Port Loopback Test
      • 1.3.7 Screen Alignment Test
    • 1.4 Printer Problems
    • 1.5 Error Codes
  • 2 Removing and Replacing FRUs
    • 2.1 General
    • 2.2 Access Cover
    • 2.3 Power Supply Assembly
    • 2.4 CRT/Bezel/Yoke Assembly
      • 2.4.1 CRT Disposal
    • 2.5 Monitor and Logic with Arc Protection Assembly
    • 2.6 Keyboard
  • 3 Aligning the Video Monitor
    • 3.1 General
    • 3.2 Monitor Adjustments
      • 3.2.1 Before You Start
      • 3.2.2 Displaying the Screen Test Pattern
      • 3.2.3 Screen Control
      • 3.2.4 Subcontrast
      • 3.2.5 Rotation
      • 3.2.6 Horizontal Width
      • 3.2.7 Vertical Height
      • 3.2.8 Vertical Linearity
      • 3.2.9 Centering
      • 3.2.10 Focus
  • 4 Using Set-Up
    • 4.1 General
    • 4.2 Displaying Set-Up Screens
    • 4.3 Changing Settings
    • 4.4 Saving Set-Up Values
    • 4.5 Recalling Set-Up Values
  • A Options and Documentation
  • B VT320 Models and Recommended Spares
  • C Physical/Functional Diagrams

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