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MECHANICAL
ADJUSTMENTS
(Continued)
AUTO SHUT-OF F MECHANISM
7. The ASO Pulley continues rotating, so that its tooth meshes
FUNCTION
with the second tooth of the ASO
Lever and it moves the
1. Silicone grease (Example: SHIN-ETSU SILICONE KS-64) is
ip polis oh rane Guten) Oka ONC cele
applied
to the contacting surfaces of the Bushing and the
ASO
Lever, and the teeth of the ASO
Lever to make the
Auto Shut-off mechanism function smoothly.
If necessary,
apply
a proper amount
of silicone grease to
them.
8. Then, the ASO
Lever pushes the Stop Lever in the direction
of arrow C,so that the unit is set in the stop mode.
2. The ASO Lever is ordinarily pressed to the Bushing of the
Stop Lever
Friction Assembly
by the spring and moves in the direction
of arrow A in accordance with the bushing rotation.
ASO Belt
3. The shaft of the ASO Pulley is elliptical in shape like a cam
as illustrated and moves the ASO
Lever in the direction of
arrow B according to the rotation of the ASO Pulley.
4. The teeth of the ASO
Pulley and ASO Lever do not mesh
and the shaft moves the ASO
Lever back and forth by the
above described movements (A and B).
Bushing
5. When the tape is completely wound to the end, the bushing
Friction Assy
rotation
stops,
so
that
the ASO
Lever
is moved
in the
direction of arrow B by the ASO Pulley and it stops moving.
ASO Pulley
6. While the ASO
Pulley is rotating, its tooth is engaged with
the first tooth
of the ASO
Lever and
it moves
the ASO
ASO Lever
Be
Lever in the direction of arrow
C. Then, the tooth of the
ASO Pulley is disengaged from the tooth of the ASO Lever.
lf there is a problem
with the the Auto Shut-off mechanism,
repair it referring to the following troubleshooting.
SYMPTOM
POSSIBLE CAUSE
REMEDY
ASO
mechanism
does
not | ASO Spring is unhooked
Repair.
work properly.
Grease is not applied suficiently to the circumference | Apply grease.
of the Bushing or is not applied at all.
=
ASO
Lever
does
not | Shaft
of
ASO
Lever
is | Remove
grease or dust by wiping Shaft of
move properly.
clogged by grease or dust.
ASO Lever with alcohol.
T
ASO
mechanism
does
not | ASO
Lever
is in contact
with
Take-up
Pulley
of | Insert the washer
below the E ring of the
work at all.
Friction Assembly.
Bushing and keep the clearance between the
E ring and
the Bushing
less than 0.5mm.
L
ASO Belt is worn out.
Replace ASO Belt.
ASO Belt is stained.
Wipe ASO Belt with benzine.
NOTE:
Although
there is a case that the button
is not locked by
pressing one of the Select Buttons
(PLAY,
FF, or REW)
without
Power
supplied
to
the
unit
after
the
unit has
automatically shut off, this symptom is not a mulfunction.
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