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PC AX
Technical manual
Epson PC AX Technical Manual
Microcomputer system
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Features
Chapter 1 Product Description
Keyboard Specifications
Hardware Configuration
SPFG Board Component Description
Keyboard Components
Floppy Disk Drive Component
Keyboard Component
Title Page
Main System Unit Components
Title Page
Table of Contents
Fi Gure
Function of Prevention Circuit
Specification of DC Max Current
Jumper J9 Setting
Data Transmission Method and Data Format
Keyboard Connector Pin Function
Transmission Intervals
Key Code Make up
Condition for Setting and Releasing Numeric Lock
Key Stroke Condition
Extension Left and Right Shift Codes
All Key Typematic Control
Key Scan Code List
Chapter 2 . Principles of Operation
Chapter 3 Options
Chapter 4 Troubleshooting
Table of Contents
Upper Case Removal
Upper Case Rep 1Acement
Front Panel Removal
Front Panel Replacement
Power Supply Unit (ATRPS Unit) Replacement
Optional Circuit Board Removal
Optional Circuit Board Replacement
Disk Drive (HDD or FDD) Removal
Disk Drive (HDD or FDD) Replacement
ANT-LS Circuit Board Removal
ANT-LS Circuit Board Replacement
Circuit Board Removal
Speaker Removal
Speaker Replacement
Key Cylinder Unit Removal
Key Cylinder Unit Replacement
Keyboard Unit Disassd1Bly and Assembly
Secondary-Side Circuit Board Removal
Secondary-Side Circuit Board Replacement
Fan Unit Removal
Fan Unit Replacement
5.3.6 Primary-Side Circuit Board Replacement
Primary-Side Circuit Board Removal
Chapter 5 . Dissembly and Assembly
Chapter 6 Adjustment and Maintenace
LIST of Taßles
Title Page
Chapter 7 Diagrams and Reference Materials
Wait Cycles
Table of Contents
System Board Check
Keyboard Check
Monochrome Display Adapter and CRT Check
Color Graphics Adapter and CRT Check
Floppy Disk Drives and Controller Check
Parallel Port (Printer Interface) Check
Serial Port (RS-232C) Check
Alternate Serial Port Check
Dot-Matrix Printer Check
Hard Disk Drives and Controller Check
Alternate Parallel Port Check
SPFG Board
WHDC Boa Rd
ATRPS Unit
Anta Board
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Quick Links
1
Features
2
Product Description
3
Hardware Configuration
4
Main System Unit Components
5
Options
Download this manual
EPSON
pe AX
TECHNICAL MANUAL
Seiko Epson Corporation
Nagano,Japan
Y12699900201
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