Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Shugart Manuals
DC Drives
SA850
Service manual
Shugart SA850 Service Manual
Bi-compliant double sided diskette storage drive
Hide thumbs
1
Table Of Contents
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
page
of
80
Go
/
80
Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Theory of Operations
General Operations
Head Positioning
Diskette Drive Spindle
SA850/851 Functional Diagram
Bi-Compliant Read/Write Head
Read/Write Heads
Recording Format
Bit Cell
Byte
Recording Format (Double Density)
Data Bytes
Rules of Encoding
Tracks
Track Format
Sector Recording Format
Soft Sector Recording Format
Typical Track Index Format
SA801 Sector Recording Format
Data Address Mark FM
Deleted Data Address Mark FM
MFM Index Address Mark
MFM Data Address Mark
MFM Deleted Data Address Mark
MFM Index Pre Address Mark
MFM Pre ID/Data Address Mark
Address Mark FM
Track Accessing
Actuator Control Logic (Figure 21)
Power on Reset
Forward Seek
Reverse Seek
Track Zero Indicator
Activator Control Logic
Count
Read/Write Operations
Basic R/W Head
Recorded Bit
Reading a Bit
Read/Write Heads
F and 2F Recording Flux and Pulse Relationship
Read/Write Head
Write Circuit Functional Diagram
Read Circuit Functional Diagram
Read Circuit Operation (Figure 33)
Data Separation Timing Diagram
Interface
J1/P1 Connector
AC Power
DC Power
Output Lines
Interface Signal Driver/Receiver
Maintenance Section
Maintenance Features
Alignment Diskette
SA809 Exerciser
Special Tools
Diagnostic Techniques
Introduction
Solt Error" Detection and Correction
Write Error
Read Error
Seek Error
Test Points SA850/851
Connectors
J3/P3
J5/P5
2.7.6
3.0 Preventative Maintenance
3.1 Introduction
3.2 Preventive Maintenance Procedures
3.3 Cleanliness
3.4 Cautions
4.0 Removals, Adjustments
Motor Drive
Drive Motor Assembly: Removal and Installation
Motor Drive Pulley
Head Cover Shield Removal
Cartridge Guide Access
Sectorllndex LED Assembly: Removal and Installation
Write Protect Detector
Write Protect Detector: Removal and Installation
Write Protect Detector Adjustment
Head Load Mechanism Assembly
Head Load Mechanism: Removal and Installation
Head Load Mechanism Adjustment
Head Load Mechanism Adjustment
Head Load Timing
Index/Sector Photo Transistor Assembly
Index/Sector Photo Transistor Assembly: Removal and Installation
Index/Sector Adjustment
Spindle Assembly
Clamp Hub Removal
Cartridge Guide
Cartridge Guide Removal
Cartridge Guide Adjustment
Head Amplitude Check
Head Actuator Assembly: Removal and Installation
Head Penetration Tools
Head Penetration Adjustment
Dial Indicator
Penetration Plate Installation
Dial Indicator Installation
Installation Check
Correct Penetration
Penetration Adjustment
Head Radial Alignment
Read/Write Heads Azimuth Check
Head Radial Alignment
Motor Plate
Door Lock Solenoid and in Use LED Assembly Removal
Track 00 Detector: Removal and Installation
Track 00/76 Stop Adjustment
Track 00 Detector Assembly Adjustment
Flow Charts
Logic Diagrams
Physical Locations
Illustrated Parts Catalog
Schematic Diagrams
Advertisement
Quick Links
Download this manual
SA850/851
~
Bi-CompliantTM
g
Double Sided
~D
Diskette Storage Drive
@
~
@)
~®Shugart
23
fS
@)
c:::J
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Need help?
Do you have a question about the SA850 and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for Shugart SA850
DC Drives Shugart SA1000 Manual
Fixed disk drive (32 pages)
DC Drives Shugart SA1004 Manual
Fixed disk drive (32 pages)
Related Products for Shugart SA850
Shugart SA1002
Shugart SA1004
Shugart SA810
Shugart SA860
Shugart SA801
Shugart SA800
Shugart SA100
Shugart SA450
Shugart SA 400 minifloppy
Shugart SA455
Shugart SA600
Shugart SA607
Shugart SA612
This manual is also suitable for:
Sa851
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the SA850 and is the answer not in the manual?
Questions and answers