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Epson PX-8 Technical Manual
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Also See for PX-8
:
User manual
(168 pages)
,
Technical manual
(24 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Chapter 1 General Description
Table of Contents
Specifications
Name of Major Parts
Major Parts
Interface
Connection Cable (Option)
Chapter 2 Principles of Operations
General
Power Supplies
CPU Operations
Clock Generator Circuit
Jumper and Switch Setting
Reset
Keyboard
LCD Unit
A-D Converter
ROM Capsule
RS-232C Interface
Serial Interface
Speaker Circuit
Dynamic RAM
Chapter 4 Disassembly/Assembly and Adjustment
Disassemble/Assemble of each Unit
Option Unit
Main Battery
Chapter 5 Troubleshooting
An Introduction to Troubleshooting
Test Program
Check-Out Procedure
Unit Troubleshooting
Chapter 6 Maintenance
Repair
Repair Tool and Equipment
Soldering
Component Locking
Notes on Repairing/Replacing the MAPLE Board
Microcassette Tape Drive Adjustment
Chapter 7 Appendix
Slave CPU 6303
Sub-CPU 7508
Gate Array GAH40D
Gate Array GAH40M
Gate Array GAH40S
A-D Converter ,Upd7001
Serial Controller 82C51
Sed1120(Lcddriver)
SED1130 (LCD Driver)
LCD/V-RAM Controllersed1320
DRAM ,Upd4265
V-Ram6117
Other Ics
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1
Table of Contents
2
Name of Major Parts
3
Power Supplies
4
Disassemble/Assemble of each Unit
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See also:
User Manual
EPSON
.--
TECHNICAL MANUAL
PX-B
H8490021-1
Table of
Contents
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Chapters
Chapter 1 General Description
4
Chapter 2 Principles of Operations
24
Chapter 4 Disassembly/Assembly and Adjustment
181
Chapter 5 Troubleshooting
201
Chapter 6 Maintenance
255
Chapter 7 Appendix
271
Table of Contents
Troubleshooting
An Introduction to Troubleshooting
202
Unit Troubleshooting
220
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