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Atari TT030 Service Manual

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Installation manual (8 pages)

Installation manual (12 pages)

Installation manual (8 pages)

Table Of Contents

Table of Contents

Introduction
Overview
Main Components
Case Design
Left Side View
Rear View
Power Supply
Power Supply Rating
Theory of Operation
Main System
I/O Subsystems
Processor
Audio/Video Subsystem
Coprocessor
Rom
Ram
System Control
Interrupt Mask and Current Status
DMA Controllers
SCC and SCSI DMA Channels
Floppy/Acsi Interface
Clock Dividers
Video Timing
Signal and Bus Arbitration
Memory Control
Chip Selects
Video Subsystem
Ttvideo
Video Display Memory
Monitor Connector
Audio Subsystem
Programmable Sound Generator
DMA Sound
Microwire Interface
Musical Instrument Digital Interface
MIDI out
SCSI Interface
MIDI in
SCSI External Connector Pinout
SCSI Internal Connector Pinout
Floppy Disk Interface
Floppy Port Pinout
SCC Serial Ports
SCC RS-232 Pinouts
SCC LAN Connector Pinout
MFP Serial Port
MFP Serial Port Pinout
Parallel Interface
Parallel Port Pinout
Keyboard Interface
Keyboard Connector Pinout
Mouse and Joystick Interface
ROM Cartridge
Vmebus
Joystick Connector Pinout
System Startup
System Errors
Number of Bombs and Meaning
Testing
Overview/Test Equipment
Test Configuration
Troubleshooting a Dead Unit
TT030 Diagnostic Cartridge
Power-Up
Power-Up Initialization Errors
Test Menu
Summary of Tests
RAM Test
ST RAM on Main PCB
Megabyte ST RAM Expansion Board
RAM Error Codes
ROM Test
Color Test
Symptoms and Fixes
Keyboard Test
Keyboard Error Codes
MIDI Tests
MIDI Error Codes
Serial Port Test
Serial Port Error Codes
SCC Test
SCC Error Codes
Audio Test
PSG Sound
Timing Tests
Timing Test Error Codes
DMA Test Error Codes
Floppy Disk Tests
Floppy Test Error Codes
Printed and Joystick Port Tests
Printer/Joystick Error Codes
Real-Time Clock
VME Connector
SCSI Test
SCSI Test Error Messages
Error Codes Quick Reference
Initialization
Exceptions
Port D Error Codes
SCC Interrupt Errors
Disassembly/Assembly
TT030 Disassembly
Top Cover Removal
Floppy Disk Removal
Hard Disk Removal
Power Supply Removal
Hard Disk Interface Cable Removal
Re-Assembly
Main PCB Removal
Main PCB
Hard Disk Interface Cable
Floppy Disk
Top Cover
Hard Disk
Symptom Checklist
Display Problems
Disk Drive Problems
Diagnostic Flowcharts
No Error on Diagnostic
No Display
No Monitor
No Terminal
No Display or Error
Parts List and Assembly Drawings
Major Subassemblies
Main PCB Assemblies
Mechanical Assemblies
Schematics and PCB Silkscreen
Keyboard/Mouse Assemblies
Glossary Pf Part Names and Terms
Bus Error

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