Table Of Contents - Atari 1025 Field Service Manual

TABLE OF CONTENTS
Section
1
2
3
4
Title
Page
INTRODUCTION
vii
THEORY
OF OPERATION
1-i
Introduction
1_1
Mechanical Theory
1_1
Print
Head Mechanism
and Operation
1-1
Space Mechanism
and Operation
1-3
Ribbon Feed Mechanism
and Operation
1-4
Paper Feed
Mechanism
and Operation
1-5
Paper Lock
Release Mechanism
1-6
Paper End Detecting
Mechanism
1-6
Electrical
Theory
1_7
Introduction
1_7
8051 Microprocessor
1-g
8155
RAM
I/O
l_g
2732
EPROM
l_g
Power
Supply
l_g
Print
Head
1_8
SILKSCREEN
AND
SCHEMATIC
2-1
MAINTENANCE/TESTING
AND
TROUBLESHOOTING
3-1
Equipment
Required
3_1
General Maintenance Precautions
3-1
Cleaning
3_2
Diagnostic
Program
for Testing the 1025
3-2
ROM
Self-Test
Procedure
3_7
Specfic
Command
Code
Failures
3-7
DISASSEMBLY/ADJUSTMENT/ASSEMBLY
PROCEDURES
4-1
Upper Cover
Disassembly
4_1
PCB
Disassembly
4_1
Printer Unit Disassembly
4_2
Transformer
Replacement
4_2
Print
Head
Disassembly
4_2
Carriage
Frame
Disassembly
4_3
Space Motor Replacement
4_3
Space
Belt Tension Adjustment
4-4
Space
Belt Replacement
4_4
Platen Disassembly
4_5
Atari 1025
Printer
Field Service
Manual