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Panasonic SG-160A - Page 9

Panasonic SG-160A
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1;
2.
3.
MECHANICAL
ADJUSTMENT
OF
TAPE
DECK
PRESSURE
ROLLER
ADJUSTMENT
Switch
set
to
PLAY.
(Do
not
insert
cassette.)
Hook
Spring
gage
to
arm
of
pressure
rollers,
as
shown
in
Fig.
11.
Pull
pressure
roller
away
from
the
capstan
in
the
direction
of
arrow
1
with
spring
gauge
and
slowly
permit
the
pressure
roller
to
return
forward
capstan
in
the
direction
of
arrow
2.
.
Measure
tension
at
time
when
pressure
roller
makes
contact
with
capstan
(or
when
pressure
roller
starts
rotating.)
.
The
standard
tension
of
pressure
roller
should
be
250
~
380g.
.
If
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
*
OND
oa
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,
as
shown
in
Fig.
12.
.
Repeat
PLAY-STOP
several
times
and
read
the
average
tension.
.
The
standard
take-up
tension
should
be
30
~
70
g.cm.
If
take-up
tension
is
not
within
these
limits;
a)
Clean
main
belt,
take-up
reel
and
all
parts
which
contact
them
with
a
cotton
swab
moistened
with
alcohol,
and/or
b)
Switch
set
to
“OFF”,
remove
main
belt
and
make
sure
that
take-up
reel
and
take-up
clutch
are
rotating
smoothly.
c)
Change
take-up
clutch
tension
by
turning
the
friction
spring
under
reel
table,
as
shown
in
Fig.
13,
and/or
d)
Replace
take-up
clutch.
SG-160A/160F
Take-up
Clutch
Assembly
Spring
Gauge
Indicator
CASSETTE
TORQUE
METER
SRK-CT
Torque
Scale
FIG.
12
Plate
Spring

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