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6.
ADJUSTMENTS
6.1 MECHANISM RELATED ADJUSTMENT
1. Tape Speed Adjustment
Capstan MIE
Adjust so that the playback frequency
adjustment
5
i
na bécing
f
hole (Refer to
is 3000 + 5 Hz at the
beginning o!
Fig. 1.)
winding of test tape STD-301.
Playback test tape STD-301 again
and confirm that the above
specifications are satisfied.
Capstan motor
Slotted screwdriver
2. Adjustment of Door Damper
eee
poser
Make sure that the door opens
smoothly, there is no two-stage
motion, and that there is no bounding
when it opens completely. (Periorm
with no cassette half inserted.)
Cylinder adjustment
screw (Refer to Fig. 2.)
Opening becomes slower
Opening becomes faster
(when bounding)
(when two-stage motion)
Adjustment screw
A
[Reference value]
A=5 +
1mm
Fig. 2
30
3.
Tape
running
and
azimuth
adjustment
Adjustment
Location
Height adjust-
ment nut (Refer
to Fig. 3.)
Azimuth adjust-
ment
screw
(Refer to
Fig. 3.)
Specifications
Insert half mirror in side A (set screws at front).
Playback
the
above
tape
and
adjust
so
that
there
1s no curling of the tape
in the guide
section
of the head. (Refer to Fig. 4.)
Playback
test tape
STD-331B
and
adjust
so
that the 10 kHz output
level
is maximum
and
also
so
that
there
1s
no
phase
difference
between
L-ch
and
R-ch.
Check
Item
2 above
again
and
adjust again
tf it dnes
not
satisfy the
specifications.
(Be sure
Azimuth
adjustment
screw
Height
adjustment
nut
to adjust
Item
3 when
Item
2 ts adjusted.)
Curling
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