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1....,I~--nlAcx'
INOD: 10 QATA
'-r--
~AC(
'8
c:.a.n
!'f11'~N
- - , . . - -
~ACX ~6
AZlMUTM
--i--_\~--:-\""''''''''-- ~ I J .
C:nl'T'ml UN.
1
FIGU
R,c
5-5
KUrl CENTER LINE AND TRACK LOCATION
NOTE
TKE ALIGNMENT DISKETTE AND DRIVE MUST BE ALLOWED TO
STABILIZE AT ROOM TEMPERATURE FOR ONE KOUR BEFORE
CKECKS AND ADJUSTMENTS ARE PERFORMED.
Radial Track Alignment Check
1.
Set up oscilloscope
Channel A:
Test Point 4
Channel B:
Test Point 5
Ground:
Test Point
e
or 14
Read Differentially:
A plus B, B inverted
Time Base:
20 milliseconds per division
External Trigger:
Test Point 12, positive edge
Adjust amplitude for at least four divisions on
the oscilloscope, A. C. coupled.
2.
Apply power to the drive.
5-7
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