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MECHANICAL
ADJUSTMENT
OF
CASSETTE TAPE DECK
PRESSURE
ROLLER
ADJUSTMENT
b) Switch set to: "OFF", remove main belt and
make sure that take-up reel and take-up cluich
are rolating smoothly.
c) Change take-up clutch tension by lurning the
{riction spring under reel table, and/or
d) Replace take-up clutch.
i. Switch set to PLAY.
(Do not insert cassette.)
2. Hook Spring gauge to arm of pressure roller.
Pressure Rolier
Friction Speing
Capstan
Take-up Clutch Assembly
3. Pull pressure roller away from the capstan in the
direction of arrow 1 with spring gauge and slowly
permit the pressure roller to return toward Capstan
in the direction of arrow 2.
MOTOR
PULLEY
ADJUSTMENT
4. Measure: tension at time when pressure roller
When
replacing the motor, adjust the clearance
makes
contact
with capstan
(or when
pressure
between motor and motor pulley as in figure below.
roller starts rotating.)
5. The standard tension of pressure roller should be
250 ~ 380g.
6. Hf pressure is not within these limits;
Clean the rubber roller and capstan with a soft cloth
moistened with alcohol or replace pressure spring.
TAKE-UP TORQUE ADJUSTMENT
Test Tape:
SRK-CT (Take-up Torque Meter)
. Insert test tape.
. Rewind the tape to its starting point.
. Switch set to PLAY.
Read "*" mark of indicator on take-up side.
PoOnM—
Iindicalor
CASSETTE
| TORQUE
METER
|
QZZSAK-CT
Torque Scale
5. Repeat PLAY-STOP
several times and read the
average tension.
6. The standard take-up tension should be 30 ~ 70
g.cm.
tt take-up tension is not within these limits;
a) Clean main belt, take-up reel and al! parts
which
contact
them
with
a cotton
swab
moistened with alcohol, and/or
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