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5.3.5 Head Azimuth
1)
Equipment
CE Tester
CE Diskette
Osci
11
oscope
2)
Check procedure
TPD14
(INDEX)
2)-1 Connect CE Tester
to
Drive then turn-on power switch.
2)-2 Turn on motor.
2)-3 Select dr1ve and load CE diskette.
2)-4 Seek to TK6S.
2)-5 Read azimuth waveform using oscilloscope.
Trigger:
Signal:
EXT - -INDEX (DC
+)
CHI - TPB9
(AC)
CH2 - TPB10
(AC,INV)
(TPD14)
Add
2)-6 Acceptable when adjusted waveform within following
range
FIGURE 8
TPB9/TPB10
-----~ ~~~4J~--
(USE DIFFERENTIAL AMP)
UU
LJ
-,
i1S>AX
llS
~ ~
X 100
(-1S
t
)
Note: A=B: -12min
C=D: +12min
AZIMUTH
~±lS'
%
X 100
~
115
(+lS
t )
Specification= tlSmin
-13-
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