Sanyo RD 203 - Mechanical Adjustments; Equipment and General Remarks; Take-Up Torque Adjustment; Flywheel Thrust Adjustment

_
MECHANICAL
ADJUSTMENTS
EQUIPMENT
REQUIRED.
..Cassette-
-type
Torq
ue
Meter
(100g
rere
- Thickness Gauge
Cassette Tape (C-120)
Silicone
Grease
(Example:
sale
ETSU
SILICONE
KS-
64)
Paint
or
Glue
GENERAL
REMARKS
@ Before adjusting the mechanism of the unit, clean the tape
contacting
surfaces
with
a
soft
cloth
soaked
in
alcohol.
Trouble
may
occur
because
of
oil
and
grease
stains.
The
Belts
must
be
kept
clean
while
the
adjustments
are
performed.
|
*
Silicone
grease
(Example:
SHIN-
ETSU
SILICONE
KS-
64)
is
applied
to
the
Drive
Belt
and
the
Take-up
Belt
to
protect
them
from
abrasion.
if
necessary,
apply
a
proper
amount
of
silicone
grease
(Example:
SHIN-ETSU
SILICONE
KS-64)
to
each
groove
of
the
Flywheel
and
Friction
assemblies.
|
NOTE:
Silicone grease is not applied to the Replacement Parts.
® Never apply grease or oil to the ASO Beit. if applied, wipe it
clean with benzine.
ELYWHEEL
THRUST
ADJUSTMENT
Ne
Flywheel Thrust
Check
to
see
that
the
clearance
between
the
Flywheel
Thrust
and
Flywheel!
is
0.09
—0.17mm
with
the
chassis
upside
down
as
illustrated.
Adjustment
S|
0.09 — 0.17mm
Flywheel
Turn
the
Thrust
counter-clockwise
by
45°
—
90°
after
the
clearance
of
oo
is
obtained.
After
the
adjustment,
secure
mm
Flywheel
Thrust
with
paint
~ or giue.
TAKE-UP TORQUE ADJUSTMENT
1. Insert the cassette-type torque meter into the unit and
measure the torque of the Take-up Ree! Gear with the unit
in the playback mode. It should be 30 — ood: -cm.
2. If necessary, adjust the torque by moving the Friction
Spring of the Friction Assembly as illustrated.
Take-up Torque: 30 — 50g-cm
Friction Assembly
| Friction Spring.
Friction Spring
NOTE:
If the Take-up Reel Gear and the Take-up Gear run idle and
produce an abnormal sound, adjust the take-up torque as
low as possible.
MUTING SWITCH ADJUSTMENT
This Switch is normally closed. The clearance between the both
contacts of the switch should be 0.5 — 1.0mm with the PLAY
button down.
Switch
0.5 — 1.0mm
Move the
Switch.
ay