Teac FD-55 Series, Руководство по обслуживанию

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VA
1
-
Calibration value + (Relative humidity -50) x K
100
e.g. Calibration value * -6%, Relative humidity * 35%, 96tpi:
-6+(35-50)x0.42»-12.3 < 0
-6+(35-50)x0.42
VA * 1-
100
0 . 8 8
Therefore, the target value of VA when VB is assumed as "1”
is 0.88, 1
iv) For a double sided
F D D ,
repeat the adjusting operation in item
iii) alternately for side 0 and side 1 heads until the both
misalignment take the smallest value.
v) Tighten the two fixing screws of the stepping motor little by little
for adjusting the true value of misalignment after tightening
the screws with the specified torque to be within ±20%.
vi) Remove the alignment disk.
vii) Apply a drop of locking paint to the head of the stepping motor
fixing screws.
viii) Check and adjust the track 00 sensor according to item 4-4-14.
ix) Check and adjust the track 00 stopper according ~to item 4-4-15.
(m) Release the Invert and Add modes of the oscilloscope.
4097