Sony PS-2700 Service Manual page 10

Automatic stereo turntable system
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PS-2700
PS-2700
subgear
ubgear pushes across
é turntable shaft b
Note:
7
ur
.
©
Diagram
indicates example
for 30cm (12 inches)
se
baci
by the heart-shaped cam of
the tonearm.
micraswitch,
play (S2)
clutch lever
he brake lever (2)
thout full stroke action.
brake lever (2)
brake fever (1}
start lever
tor starts turning when
g in unison with the brake
microswitch,
start (S17)
lever (2).
30cm
(12 inches) |
disk operation |
point
The tonearm is braked
slightly to prevent lateral
slipping.
\
XN
@
N
Sem (10 inches)
x disk operation-~ —~ —
Mechanism concerned with
tonearm descent operates
(PLAY).
a? The brake lever (1) released
1
when the main lever reaches
t
final position, so the tonearm
S\
also released from the brake
lever.
size selector
cam
lead-in cam
The lead-in cam attached to
the main lever, pulls the
'onearm fead-in lever up to
point which is 30cm
inches} disk operation.
tonearm lead-in
The switch lever moves
lever
outeards.
@
t the
s i .
e
front edge of
horizontal (tonearm UP) to
ey Hy a HHOCHOr deve t0
The start lever moves | Pull REPEAT, START/
?
e fro.
rd
the lead-out groove
slanted (tonearm DOWN),
inwards,
STOP lever forward,
the bit marae oan te
ri
and the tonearm lead-in
F
thus causing the tonearm to
(12 inches) disk operation.
lever parts from the lead-in
The main lever raises up'
commence its descent.
ition
j
cam at * mark point, the
the return cam, and pulls
The lower tip of the arm
REPEAT, START/STOP
hen
the tonearm
3
i
,
is
5
oe
:
rp
Aicst ios eon
hah 7s : hae
lead-in cam pushes the tone-
back here to commence
lifter is located here,
cam stops in this position,
tonearm from the tonearm
lead-in lever,
(The tonearm
completion of lead-in,

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