Sign In
Upload
Manuals
Brands
MAI Basic Four Manuals
Storage
4171
MAI Basic Four 4171 Manuals
Manuals and User Guides for MAI Basic Four 4171. We have
1
MAI Basic Four 4171 manual available for free PDF download: Service Manual
MAI Basic Four 4171 Service Manual (91 pages)
5-1/4 Inch Fixed Media Disk Drive
Brand:
MAI Basic Four
| Category:
Storage
| Size: 3 MB
Table of Contents
Page Status
3
Table of Contents
5
List of Figures
7
List of Tables
8
General Description
11
Mechanical Assembly
11
Printed Circuit Board Assembly (PCBA)
11
Spindle Motor Assembly
13
Heads and Disks
14
Air Filtration System
14
Read/Write and Control Electronics
14
Power Supply
15
Disk Drive Specifications
15
DC Power Connector
18
Installation
19
Introduction
19
Unpacking Instructions
19
Space Requirements
19
Mounting
20
Disk Drive Mechanical Dimensions
20
Disk Drive Mounting Dimensions
21
Power Requirments
22
Interconnecting Cable Connections
22
Motor Start Current Requirements
22
DC Power Connector
23
Frame Ground Connector
23
Connectors
23
Interface Connectors
23
Connector J1 Dimensions
24
Connector J2 Dimensions
24
Control Cable Termination
25
Options
25
Drive Address Selection Option
25
Write Protection Option
25
Ventilation
25
Disk Drive PCBA
25
Jumper Block
26
Pin Numbers
26
Functional Description
27
Introduction
27
Operational Description
27
Spindle Motor Operation
27
Spindle Motor Control Block Diagram
28
Spindle Motor Hall Sensors Relationships
28
Start Mode
29
Spindle Motor Current Profile
29
Run Mode
30
Servo System Operation
30
Servo Circuitry
32
Servo Pattern
33
Read/Write Channel Operation
35
Write Function
37
Read Function
37
Read Function Timing Diagram
37
Write Gate
37
Write Function Block Diagram
38
Power-Up Sequencing
40
Power down Operation
41
Interface Description
41
Control Signal Interface
42
Control Signal Driver/Receiver Combination
43
Jl/Pl Connector Pin
44
Control Input Signals
45
General Step Timing
46
Control Output Signals
48
Write Fault
48
Index Timing
49
Data Interface
50
General Description
50
General Timing Requirements
50
Data Line Driver/Receiver Combination
51
J2/P2 Connector Pin Assignments
51
MFM Write Data
52
MFM Write Data Timing
52
MFM Read Data
53
Format Description and Examples
53
ST506/412 Format
53
Address Marks
54
Gap Length Calculation
55
Sector Interleaving
55
Maintenance
57
Introduction
57
Preventive Maintenance
57
Cleaning the Disk Drive
58
Removal/Replacement Procedures
59
Introduction
59
Disk Drive Removal/Replacement/ Installation
60
Series 2000 Systems
60
General Procedures
64
Series 7000 Systems
64
Disk Drive Removal/Replacement/ Installation
66
Disk Drive Installation - Series 7000 Systems
69
Series 7000 Systems
69
Removal /Replacement of Disk Drive PCBA
71
Illustrated Parts Lists
73
Introduction
73
Index of Assemblies
73
Printed Circuit Board Assembly (P/N 59055)
75
Integrated Circuits
76
Advertisement
Advertisement
Related Products
MAI Basic Four 4120
MAI Basic Four 4326
MAI Basic Four 4399
MAI Basic Four 4398
MAI Basic Four 4108
MAI Basic Four Categories
Desktop
Storage
More MAI Basic Four Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL