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LINK 480Z
Service manual
RESEARCH MACHINES 480Z Service Manual
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User manual
(68 pages)
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Contents
Table of Contents
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Table of Contents
Section 1
Table of Contents
Main Pcb
BO-Character Mode
40-Character Mode
Option Pcb
High Resolution Graphics
Power Supply
General
Mains Filter and Rectifier
Flyback Converter
Snubbers
Secondary Operation
Switching PSU Load Box
Section 2
Introduction
Brief Circuit Description
Processor
Reset
Single Step
Memory
Keyboard
Cassette System
Joystick Interface
Serial Interfaces
Parallel Port (User Port)
Control Ports
Diagnostic Routes
Fault-Area Correlation
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480Z·
SERVICE MANUAL
October 1984
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Section 1
3
Section 2
40
Table of Contents
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