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5.3.5 Head Azimuth
I)
Equi pment
CE Tester
CE Diskette
Oscilloscope
2)
Check procedure
2)-1 Connect CE Tester to Drive then turn-on power switch.
2)-2 Turn on motor.
2}-3 Select drive and load CE diskette.
2)-4 Seek to TK68.
2)-5 Read azimuth waveform using oscilloscope.
Trigger:
EXT - +INDEX
(DC +)
(TPD14)
Signal:
CHI -
TPB9 .
(AC)
Add
lOOm~/D~v
CH2 -
TPBIC
(AC,INV)
± Ims/DJ.v
2}-6 Acceptable when adjusted waveform within following
range
FIGURE 8
TPD14
____
~r--l~
_____________________________
(INDEX)
0' Azimuth "Error
TPB9/TPBIO
----------~I_AJ~.~1,B I~!.C'!~.! D :~.
-----
(USE DIFFERENTIAL
AMP)
--J
__
AZIMUTH
~±18'
115>AX
115
~ ~
X 100
~
X 100
~
115
(-18
I )
(+
18
I )
Note: A=B: -12min
Specification= ±18min
C=D: +12min
,
.,
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