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FunctIon
KeyIng
4. Measure the off'track.
5. Calculate the off track.
6. Turning the stepping motor with
I
RETURN
I
the geared driver, set the ampli-
tude ratio of the peak signals on
the Cat's eye pattern signal
utmost at 1: 1.05, fasten the
setscrew and then apply nut lock
paint to it.
Hote: A ratio of 1 :1.05 is defined
by identifying the smaller one
as unity.
Hote: Unless the amplitude ratio is
utmost 1: 1.05, control does
not advance the next step.
7. Move the TRK 00 1ensor board
outside (toirard the stepping
moto·r) •
8. Check if the TRK 00 sensor output
level is within the range of
broken lines 3.5V to 4 .5V. If not,
set the level nearlest to the cen-
ter between these broken lines by
adjustment, and fasten the
setscrew with nut lock paint.
(Refer to Fig. 5-4 (e»
Hate: When "NO GOOD" is displayed on
the CRT, repeat step 8.
9. Measure the off track.
10. Ca'Iculate and check the off track.
11. End the execution in the ad-
jus tment mode. (This contro 1
returns to the main menu.)
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RETURN
I
IRETURNI
MEASURING
CALCULATING
Dlsplzsy
ADJUST RADIAL ALIGNMENT
[MAX (L/R,R/L)<1.05)
TIGHT FIRMLY
HIT [RETURN) KEY
MOVE 00 SENSOR BOARD TO OUTSIDE
HIT [RETURN) KEY
ADJUST 00 SENSOR
HI T [RETURN) KEY
TRACK 3
: XXX VOLT
TRACK 00>01 (Spec:3.5-4.5) : XXX VOLT
TRACK 02>01 (Spec:3.5-4.5) : XXX VOLT
TRACK
ODOO (Spec:MAX 0.5)
:
XXX VOLT
OK
OK
4.5
LI-_-_-_-_-_
%-_-_-_- __ -+_-_- __
-_-+- __ -_-_,
J.S
' 1 ----------
%----------+---------.--%-------,
(e)
MEASURING
CALCULATING
Fig.
5-4
Radial Alignment, TR K 00
Adjustment
GOOD!
HIT [RETURN) KEY
SET DRIVE SELECT 4
INSERT .ALIGNMENT DISK
HIT [RETURN) KEY
-14-
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