TeleVideo 9320 Manuals

Manuals and User Guides for TeleVideo 9320. We have 1 TeleVideo 9320 manual available for free PDF download: Maintenance Manual

TeleVideo 9320 Maintenance Manual

TeleVideo 9320 Maintenance Manual (57 pages)

TeleVideo 9320 VIDEO DISPLAY TERMINAL

Brand: TeleVideo | Category: Desktop | Size: 3 MB

Table of Contents

Table of Contents
4
1 Introduction

6
- Overview
  6
- Front View of the 9320
  6
  - Description of the Modules
    7
    
    Logic Circuitry
    7
    
    Video Circuitry
    7
    
    Power Supply Circuitry
    7
- Rear View of the 9320
  7
  - Keyboard
    8
  - Rs-423 Signal Assignments
    8
- Main Port Assignments for Decconnect
  8
- Printer Port Assignments for Decconnect
  8
  - Specifications
    9
    
    Physical
    9
    
    Electrical
    10
    
    Display
    11
    
    Keyboard
    12
- Keyboard Layout
  12
  - Environmental
    13
  - CRT Controller Format
    14
  - PC Board
    15
2 Theory of Operation

16
- Introduction
  16
- Block Diagram of the 9320
  16
  - Detailed Descriptions
    17
    
    System Clocking
    17
    
    The Gate Array
    17
    
    CPU System and Control
    17
- Memory Map for the 9320
  18
  - Character Generation
    20
  - Video Display Generation
    20
  - Communications
    21
3 Maintenance

22
- Visual Inspection
  22
  - Terminal and Keyboard Exterior
    22
  - Terminal and Keyboard Interior
    22
- Tests and Adjustments
  22
  - Height and Width
    22
  - Linearity
    23
  - Brightness
    23
  - Trapezoidal Distortion
    23
  - Concave and Convex Distortion
    23
  - Making Adjustments
    23
- Troubleshooting
  24
- Troubleshooting Guide
  24
  - Opening the Case
    26
- Discharging Voltages
  26
  - Removing the Circuit Board
    27
  - Replacing the Circuit Board
    27
- Removing the Circuit Board
  28
4 Parts and Service

30
- Ordering Spare Parts
  30
- Service Information
  37
  - Return Procedure
    37
  - Regional Sales Offices
    37
5 Schematics

40
- A Service Bulletins
  42

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