VT320 Pocket Service Guide

Company:	Digital Equipment Corporation
Part:	EK-VT320-PS
Keywords:
Cited by:	EK-VT320-UU-001, Installing and Using the VT320 Video Terminal (Worldwide Model)

Versions

Part	Date	Title
EK-VT320-PS-001	1987-07	VT320 Pocket Service Guide

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