Commodore.ca | Manuals | Commodore 9060 9090 Hard Drive Technical Service Manual

Commodore 9060 9090 Hard Drive Technical Service Manual

SECTION 1 Introduction to the Commodore D9060 and D9090 Disk System
Introduction 1
1.1 Purpose of the Disk System 1
1.2 Physical Description of the Disk System 1
1.3 Performance Specifications 1
1.4 D9060 and D9090 Disk System Types 6

SECTION 2 Operating Instructions
Introduction 7
2.1 Upacking the Disk System 7
2.2 Air Flow 7
2.3 Handling 7
2.4 Preparing the Disk System 7
2.5 Installation 7
2.6 Operation 8

SECTION 3 Theory of Operation
Introduction 9
3.1 Functional Description 9
3.2 IEEE-40 Interface Lines and Signals 10
3.2.1 Control Lines 10
3.2.1 Data Bus Lines 11
3.3 SASI Interface Lines and Signals 14
3.4 TM600 Series Interface 15
3.4.1 Control Input Lines 15
3.4.2 Output Lines 18
3.4.3 Dada Transfer Lines 20

SECTION 4 Maintenance
Introduction 21
4.1 General Care and Cleaning 21
4.2 Maintenance Inspection 21
4.3 Troubleshooting Guide 21
4.3.1 External Troubleshooting Guide 22
4.3.2 Internal Troubleshooting Guide 25

SECTION 5 Replacement Procedures
Introduction 27
5.1 Tools 27
5.2 Top Cover 27
5.3 DOS Board 27
5.4 Controller Board 28
5.5 Disk Drive 28
5.6 Power Supply Board, Linear Supply 29
5.7 Non-Warranty Repair 29
Appendix 1 Major Assemblies A-1
Appendix 2 Recommended Spare Parts List A-2
Appendix 3 Schematics and Assemblies A-3

ILLUSTRATIONS
1 Communication Link 9
2 The GPIB Connector Showing Pin Designations 11
3 Disk System Bock Diagram 13
4 SASI Interface Connections 15
5 Step Mode Timing 18

TABLES
1 Commodore Disk System Specifications 2
2 Tandon Disk Drive Specifications 4
3 Winchester Disk Controller Specifications 5
4 Power Supply Specifications 6
5 IEEE Standard Interface 12
6 Disk Drive Standard Interface 16
7 Maintenance Inspection Checklist 21
8 Hard Disk Power Up Diagnostics Disk Access Test 23

Click on any graphic below to enlarge it.