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5.3.5 Head Azimuth
. TPD14
(INDEX)
1)
Equipment
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)-S Read azimuth waveform using oscilloscope.
Trigger:
EXT - -INDEX (DC +)
(TP
B2)
Signal:
CHI - TPA9
(AC)
CH2 - TPA10
(AC,INV) Add
2)-6 Acceptable when adjusted waveform within following
range
FIGURE 8
TPB9/TPB10
_ _ _ _ _
~fA1
~ I
c
U!-i __ _
I
HBH
I
lJ
(USE DIFFERENTIAL AMP)
---..
u
LJ
. . . .
---Q~7
I~I
l1S>AX
115
~ ~ X
- B
100
(-18' )
Note: A=B: -12min
C=D: +12min
AZIMUTH
~±18'
~
X 100
~
115
( +
18' )
Specification= t1am;n
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