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Dual 601 - Stopping; Shut-off

Dual 601
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Fig.
19
Initiating
shut—off
function
161
AR
M
170
262
144
Fig.
20
Fig.
21
Stopping
When
control
lever
(55)
is
set
to
"stop"
position
the
start
lever
(203)
which
is
pulled
towards
the
cam
by
means
of
tension
(204),
is
freed.
As
a
result,
the
shut—off
lever
(170)
is
moved
into
the
range
of
dogs
on
the
platter
pinion
thus
driving
the
main
cam.
The
cam
follower
lever
(173)
remains
in
its
stop
position.
Shut-off
The
functions
of
shut—off
and
stop
are
de—
termined
by
the
position
of
the
deflection
lever
(173).
The
deflection
lever
(173)
is
moved
out
of
stop
position
during
starting
by
the
main
lever
(154)
with
lang
end
of
de—
flection
lever
towards
camwheel
center.
Initiation
of
shut—off
after
playing
the
re—
cord
is
brought
about
by
the
dog
(M)
of
the
flywheel
rotor
pinion
(AR)
and
the
shut—off
lever
(170).
The
shut—off
lever
(122)
is
guided
onto
the
dog
by
the
movement
of
the
tonearm
when
playing
the
record
with
teh
aid
of
the
shut—
off
bar
(262)
proportionate
to
the
groove
lead.
The
eccentrically—mounted
dog
forces
the
shut—off
lever
(170)
back
with
each
re—
volution
as
long
as
the
advance
of
the
tone
—
arm
only
amounts
to
the
width
of
1
groove
(Fig.
19
a).
Only
the
run—out
groove
s
with
its
increased
lead
guides
the
shut—off
lever
(170)
onto
the
dog
at
a
higher
rate
so
that
the
shut—
off
lauer
is
picked
up
and
moved
along
(Fig.
19
b).
As
a
result,
cam
(144)
is
moved
out
of
its
neutral
position
into
engagement
with
the
pinion
of
the
platter
(Fig.
19
c).
The
main
lever
(154)
guides
the
tonearm
back
and
initiates
lowering
the
tonearm
on
the
rest.
When
main
cam
(144)
returns
to
zero
position
the
pin
of
shift
arm
(163)
is
able
to
move
into
the
recess
on
the
main
cam,
operate
power
switch
Defect
Platter
remains
stationary
after
automatic
set—down
of
tonearm
on
record.
Cause
a)
Shift
arm
(163)
not
locked
by
pawl
(185)
.
b)
Power
switch
has
interrupted
power
supply
(has
switched
off)
Remedy
a)
Turn
eccentric
pin
(E)
on
the
pawl
(Fig.
20)
b)
Adjust
shut—off
lever
(165)
(Overrun
of
0.3
mm
between
switch
slide
and
shift/arm).
12

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