HP 3 1/2-Inch Flexible Disc Drive Manuals

Manuals and User Guides for HP 3 1/2-Inch Flexible Disc Drive. We have 1 HP 3 1/2-Inch Flexible Disc Drive manual available for free PDF download: Service Documentation

HP 3 1/2-Inch Flexible Disc Drive Service Documentation (133 pages)

Brand: HP | Category: Floppy Disk Drive | Size: 5 MB

Table of Contents
3
Section I the 3 1/2-Inch Disc Drive
9
Chapter 1 General Information
11
Introduction
11
Description
11
Maintenance and Handling
11
Disc Drive
12
Flexible Disc Media
12
Disc Guard and Auto Shutter
13
Initializing and Initializing Errors
13
Handling Flexible Disc Media
14
Write Protect
17
Media Monitor
17
Controls and Indicators
18
Front Panel
18
Rear Panel
18
Chapter 2 3 1/2-Inch Drive Theory of Operation
19
Introduction
19
Electromechanical Components
19
Drive Mechanism
19
Head Positioning Mechanism
19
Input Signal Descriptions
21
Drive Electronics
21
Output Signal Descriptions
22
Drive Electronics Interface Timing
23
Controller Assembly
23
Interface Chip
24
Flexible Disc Controller
25
Loop Management
25
Recording Format
25
Media
25
Tracks
26
Recording
26
Track Numbering
26
Track Format
26
Introduction
29
Main Cover Replacement
29
Front Panel Replacem1Ant
30
Load Pad Replacement
30
Drive Electronics Assetnbly Removal
32
Introduction
35
Selftests
35
Power-On Selftest
35
User Confidence Selftest (9121 Only)
36
Service Selftest
36
Adjustments
37
Equipnlent Required
37
Head Cleaning
38
Motor Speed
38
Head Compliance
41
Load Pad Position and Head Load Force
41
Read Ampliner Gain and Offset
43
Other Checks
45
Amount of Disc Access
45
PLL Free-Run Frequency
46
Section II 9121D/S
47
Chapter 1 General Information
48
Introduction
48
Product Description
48
Equipment Supplied
48
Unpacking Your HP 9121D/S Disc Memories
48
Technical Specifications
49
Equipment Supplied
51
Cleaning the Case
52
Chapter 2 Installation
54
Introduction
54
Setting the Linf~ Voltahe Select Switches
54
Setting the Line Voltage Select Switches
54
Fuses
55
Power Cords
55
The HP-IB Interface
56
Selecting the Device Address
57
Controls and Indicators
58
Applying Power
58
Manual Shutter
59
Auto Shutter
59
Basic System Operation
59
Write Protect Error on Initialization
60
Data Errors
60
Write Protect E.rror on Initialization
60
Chapter 3 Interface Information
62
Introduction
62
Overview of the HP-Interface Bus
62
Chapter 4 Troubleshooting
66
Introduction
66
Repair Philosophy
66
Exchange Assemblies
66
Non-Exchange Assemblies
66
Support Packages Contents Lists
66
Product Support Package (PSP)
66
Field Support Inventory Package (FSI)
66
Recommended Field Support Inventory
66
Controller Electronics and Power Supply Assembly
66
Power Supply
67
Support Packages Contents Lists
67
Product 'Support Package (PSP)
67
Troubleshooting the Power Supply
69
Controller Assembly
69
Chapter 5 Assembly Access
72
Introduction
72
Safety Considerations
72
General
72
Safety Symbols
72
Safety Earth Ground
73
Before Applying Power
73
Servicing
73
Top Cover Removal
75
Drive Removal
75
Fan Removal
76
Printed Circuit Assembly Removal
76
Parts Lists
76
Chapter 1 General Description
81
Introduction
81
Product Description
81
Technical Specifications
82
Equipment Supplied
83
Unpacking Your HP 9133A Disc Memory
84
Cleaning the Case
84
Controller Assembly Reltioval
98
Sheet Metal Housing Removal
101
Drive Rem()Val
101
HP 9133 Parts Lists
101
Assembly Access
101
Safety Earth
102
Before Applying Power
102
Chapter 1 General Description
109
Introduction
110
Product Description
110
Technical Specifications
110
Chapter Installation
114
Introduction
114
Setting the Line VOLTAGE SELECT Switch
114
Fuse
114
Power Cords
114
Interfacing to Your System
116
Selecting the Device Address
116
The HP-IB Interface
117
Chapter 3 Basic Operating Procedures
118
Introduction
118
Drive Operation
118
Controls and Indicators
118
Power-On Selftest
119
User Confidence Selftest (Flexible Disc Drive)
120
Additional Flexible Disc FAULT Indications
120
Initial Power-On and Operating Procedure
120
Initial Checkout
121
Flexible Disc Procedures
121
Flexible Disc Description and Write Protection
121
Write Protect Error on Initialization
122
Inserting and Removing the Flexible Disc
122
Media Monitor
123
Media Wear Indication
123
Chapter 4 Troubleshooting
124
Introduction
124
Repair Philosophy
124
Exchange Assemblies
124
Support Packages Contents Lists
124
Product Support Package (PSP) - 09121-67100
124
Field Inventory Parts Package (FSI) - 09121-67197
125
Controller Assembly
125
Chapter 5 Assembly Access
126
Introduction
126
Safety Considerations
126
General
126
Safety Symbols
126
Before Applying Power
127
Servicing
127
Assembly Designations
129
Top Cover Assembly Removal
129
Front Panel Assembly Removal
129
Field Replaceable Units
131
Parts List
131

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HP 3 1/2-Inch Flexible Disc Drive Service Documentation (133 pages)

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