3-3. REEL TORQUE
3-3-l. Reel Torque
1. The rotation of the capstan motor operates the
clutch ass’y through the capstan motor belt.
2. Brake operation and shift operation in
FWREW
are done by a slide lever.
3. Transmission of accurate driving force is done by
gears. (clutch ass’y)
MODE TORQUE g/cm GAUGE
PBIREC
1 OOf30
Cassette Torquemeter
RPS
170f30
Cassette Torquemeter
FFIREW
Min
300g/cm
Torque Gauge
.‘~~~E..‘If.the.si>kd’is.~ut
of above chart, replace the
,:t’
::::::
“...’
:,,.:.
::.
‘,‘,.Y
,,
-I.,
clutch
as+
an~,tticx”recheck.
:
-.
,:::::,,.::..::.
:
5:.
:..+..
.
.:.
3-3-2.
Location of Tension Pole and Back Tension
Adjustment
1.
Remove the housing ass’y and set the deck to play
mode.
2. Adjust the tension cam to
2.5-3.5mm
from the
center of the supply roller.
3. The back tension meter should be used for
checking the back tension.
Back tension, should be 41
-
51 g.cm.
If it is not, adjust the tension cam.
Counterclockwise
:
Torque UP
Clockwise
:
Torque DOWN
F/E
HEAD-
I
3
f
OSmm
ARM
-
TENSION
-
FULL
ASSY
CAM TENSION
_
ADJUST
SPRING
__
TENSION
J
0
on
-_I
TENSION BAND
Fig. 16 Tension Pole and Back Tension Adjustment
Fig. 17 Back Tension Tape Torque Cassette
3-B
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