Epson PC AX Manuals

Manuals and User Guides for Epson PC AX. We have 1 Epson PC AX manual available for free PDF download: Technical Manual

Epson PC AX Technical Manual

Epson PC AX Technical Manual (312 pages)

microcomputer system

Brand: Epson | Category: Desktop | Size: 22.96 MB

Table of Contents

Table of Contents

7
- Features
  11
- Chapter 1 Product Description
  
  12
  - Keyboard Specifications
    14
  - Hardware Configuration
    18
  - SPFG Board Component Description
    20
    
    Keyboard Components
    22
  - Floppy Disk Drive Component
    22
  - Keyboard Component
    22
    
    Title Page
    23
    
    Main System Unit Components
    23
    
    Title Page
    25
Table of Contents

27
- Fi Gure
  35
- Function of Prevention Circuit
  44
- Specification of DC Max Current
  45
- Jumper J9 Setting
  93
- Data Transmission Method and Data Format
  108
- Keyboard Connector Pin Function
  110
- Transmission Intervals
  112
- Key Code Make up
  115
- Condition for Setting and Releasing Numeric Lock
  116
- Key Stroke Condition
  116
- Extension Left and Right Shift Codes
  117
- All Key Typematic Control
  119
- Key Scan Code List
  125
- Chapter 2 . Principles of Operation
  
  127
- Chapter 3 Options
  
  127
- Chapter 4 Troubleshooting
  
  129
Table of Contents

153
- Upper Case Removal
  155
- Upper Case Rep 1Acement
  155
- Front Panel Removal
  156
- Front Panel Replacement
  156
- Power Supply Unit (ATRPS Unit) Replacement
  157
- Optional Circuit Board Removal
  158
- Optional Circuit Board Replacement
  158
- Disk Drive (HDD or FDD) Removal
  159
- Disk Drive (HDD or FDD) Replacement
  159
- ANT-LS Circuit Board Removal
  163
- ANT-LS Circuit Board Replacement
  163
- Circuit Board Removal
  163
- Speaker Removal
  164
- Speaker Replacement
  164
- Key Cylinder Unit Removal
  165
- Key Cylinder Unit Replacement
  165
- Keyboard Unit Disassd1Bly and Assembly
  165
- Secondary-Side Circuit Board Removal
  166
- Secondary-Side Circuit Board Replacement
  167
- Fan Unit Removal
  168
- Fan Unit Replacement
  168
- 5.3.6 Primary-Side Circuit Board Replacement
  169
- Primary-Side Circuit Board Removal
  169
- Chapter 5 . Dissembly and Assembly
  
  171
- Chapter 6 Adjustment and Maintenace
  
  171
  - LIST of Taßles
    173
    
    Title Page
    173
- Chapter 7 Diagrams and Reference Materials
  
  175
  - Wait Cycles
    176
Table of Contents

202
- System Board Check
  203
- Keyboard Check
  217
- Monochrome Display Adapter and CRT Check
  220
- Color Graphics Adapter and CRT Check
  226
- Floppy Disk Drives and Controller Check
  239
- Parallel Port (Printer Interface) Check
  249
- Serial Port (RS-232C) Check
  252
- Alternate Serial Port Check
  256
- Dot-Matrix Printer Check
  257
- Hard Disk Drives and Controller Check
  260
- Alternate Parallel Port Check
  264
  - SPFG Board
    265
  - WHDC Boa Rd
    265
  - ATRPS Unit
    283
    
    Anta Board
    285

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