Section
Number
1.1 9.1 8
1.1 9.1 9
1.1 9.20
1.1 9.21
1.1 9.22
S ECT ION II M A I N T E N A N C E C H E C K S A N D A D J U S T M E N T S
Page
Number
1-21
1-21
1-22
1-22
1-22
Title of Section
Inhibit Write When Write Protected
Allow Write When Write Protected .
Head Side Select Options S1 - S3
Spindle Motor Control Options M1 - M4
Motor Control Select Options MC1 - MC4.
2.
2.1
2.1.1
2.2
2.2.1
2.3
2.4
2.4.1
2.4.2
2.4.3
2.5
2.6
2.7
2.8
SECTION II I
PR IN T E D C I R C UIT BOARD OPERATION
Introduction.
S pindle Drive Motor Checks and Adjustments. . .
Long-Term Drive Motor Speed Checks and Adjustments
Cats Eye Alignment Check and Adjustment
Cats Eye Alignment Check .
Head Carriage Adjustment
Index Sensor Checks and Adjustments
Index-To-Data Burst Checks
Index Sensor Adjustment
Index Pulse Width Check
Track 00 Sensor Check and Adjustment .
Amplitude Check.
Azimuth Check
Load Arm Adjustment
2-1
2-1
2-1
2 2
2-4
2-5
2-6
2-6
2-7
2-8
2-8
2-9
2-10
2-10
Introduction.
P hysical Description of The Circuit Board .
Interface Electronics Specifications
Input Control Lines
O utput Control Lines . . . . . . .
.. 3-1
.. 3-1
3-1
3 2
.. 3-7
3.
3.1
3.2
3.3
3.4
S ECT ION IV
T R O U B L E S H O O T I N G G U I D E
4.
4.1
4.1
4.3
4.4
4.5
4.6
4.7
S ECTION V
R E PL A C E M E N T P R O C E D U R E S
Introduction.
N ot Ready and/or No Index .
W ill Not Seek or Restore. . . .
Will Not Write
Will Not Read .
Activity L.E.D. Inoperative
No Track 00 Sensor Indication.
Drive Motor Will Not Start When Door Latched .
.. 4-1
.. 4-2
.. 4-2
.. 4-3
4-3
. 4-3
. 4-4
. 4-4
Introduction.
Drive Belt
D rive Motor .
Circuit Board.
Cone Assembly
Diskette Lever .
Bridge Assembly
Bezel
5-1
5-1
.. 5-2
5-3
.. 5-4
.. 5-6
5-6
.. 5-8
5.
5.1
5.2
5.3
5.4
5.5
5.6
5.7
Содержание TM848-1
Страница 32: ...HUB CENTER LINE TRACK 0 TRACK 38 TRACK 76 Figure 2 2 Hub Center Line and Track Locations 2 3 ...
Страница 81: ...APPENDIX I PRINTED CIRCUIT BOARD S CHEM A T ICS AND ASSEM B LY DRAW IN G S ...
Страница 88: ...APPENDIX II RECOM M E N D E D SPARE PARTS LIST ...
Страница 90: ...Pi N 1 79031 001 1 082 ...