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M2302B
Fujitsu M2302B Manuals
Manuals and User Guides for Fujitsu M2302B. We have
1
Fujitsu M2302B manual available for free PDF download: Manual
Fujitsu M2302B Manual (138 pages)
Microdisk Drives
Brand:
Fujitsu
| Category:
Storage
| Size: 7.71 MB
Table of Contents
Table of Contents
8
Figure
13
General Description
17
General
17
Features
17
Specifications
18
Environmental Condition of Installation Site
18
Power Source Specifications
19
Performance
22
Reliability
23
External Appearance
24
Operation
26
General
26
Power On/Off Sequence
26
Installation and Checkout
28
General
28
3;3 Visual Inspection
28
Mounting
30
Installation in Locker
30
Securing for Transportation
31
Securing the Unit
31
Service Area
32
Cable
33
Cable Connection
34
Connection of One Unit
34
Connection of 2 to 4 Units
34
Drive Select (Device Number Selection)
36
Sector/Byte Clock
37
Sector During the Generation of Index
37
Write/Read Data, Write/Plo Clock
38
Delay SKC
40
Input Negative Voltage Selection
41
Time Margin Measurement Switch
41
Timing Specification Selection
42
Media Error
43
Theory of Operation
46
General
46
Operation of Mechanical Portion
46
Disk Enclosure
46
Spindle
47
Carriage Assembly
48
Air Circulation in de
49
Air Circulation Inside the de
49
Magnetic Heads and Recording Media
50
Magnetic Heads
50
Recording Media (Magnetic Disk)
51
Head and Surface Configuration
51
Clock Track Format
51
Clock Signal Waveform/Index Pattern Waveform
52
Format
53
General
53
Track Format
53
Detail of the Format
53
Interface
54
General
54
Signal Lines
56
Timing Specification
59
Format Timing Specification
61
Driver/Receiver
62
Pin Assignment in Connector
62
Electric Circuit Operation
63
Block Diagram
63
Start/Stop Circuit
63
Start/Stop Circuit Block Diagram
65
DC Spindle Motor Driving Circuit
66
DC Spindle Motor Controller
66
Unit Select Operation
66
DC Spindle Motor Driving Circuit Block Diagram
67
SEEK Control Block Diagram
73
SLAVE STEP Mode Timing Chart
76
Stepper Driving Circuit
80
Index and Sector Generation Circuit
84
Read/Write Circuit
87
Troubleshooting
98
Maintenance
102
General
102
Check of the Control Circuit
102
Confirming the Switch Settings
102
Check of Standard Frequency Oscillator
102
Check of Clock Signal
103
Inspection of PLO Circuit
103
Check of Index and Sector
104
Inspection of VFO Circuit
104
Observation of the Read Waveform
105
Check of the Settling Waveform after Seeking
106
Spare Parts
108
IC Detail
110
Outline
110
Logic Convention and Symbology
110
TTL Logic
110
Logic Symbology
112
IC Cross Reference Guide
113
IC Interchangeability
115
TTL IC Interchangeability
115
Ecl
116
Linear IC
116
Cmos
116
Fujitsu Analog Master Slice IC
116
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