Sony PS-2700 Service Manual page 11

Automatic stereo turntable system
Table of Contents

Advertisement

PS-2700
PS-2700
turntable shaft
Start of return action
a much greater advance
and strikes against the kick
portion, thus starting up
the main gear.
BX
fly part
\
gap C
lever (A)
Voi
si
Bil
B ie
These B parts are the first
parts to strike the turn-
@
clutch lever
7
Note:
©
Stylus enters record lead-out groove.
©
Diagram inclicates example for 17cm
(7 inches)
(EP) record.
The main gear rotates in
the direction of the arrow.
The main gear pulls the
olution of the turntable
main lever inwards by
means of the heart-shaped
cam of the main gear.
use
rea
i
microswitch,
play (S2)
After S2 switched OFF at
the end of the whole
operation, the reset sub-
lever remains pressed
against the main lever.
table shaft, thus resetting
the lever (A).
_— one
;
Ha" cece
/
as
spring
Ithough the spring pushes
against the clutch lever at
ee
first by means of the gear
Jock lever action, the lever
(A) is reset because theB
~ \
parts are the first parts to
strike the turntable shaft.
The initial push action is
ineffective.
7
gear lock lever
-
As soon as the stylus
approaches the record
lead-out groove (61—-64mm
from center of record),
the tonearm lever pushes
against the clutch lever,
which in turn pushes
the clutch (A) towards
the fly part of the turn-
table shaft.
The tonearm slides smoothly
across to the arm rest, with
e
a slight brake applied.
y
-
tonearm lead-in lever
tonearm lever
lead-in cam
"fhe tonearm lead-in lever
in pushed by the frame
\A
Of the lead-in cam at
first, then catching it
in the hollow part of
i cam,
®M The main lever advances
ay
to the left, and the tonearm
-
lifts away from record.
&
~~ (Anangle of 5 required
for the tonearm to lift up).
tonearm lead-in
return cam to the left.
will not commence.
It simply advances to the left.
point by means of pin A.

Advertisement

Table of Contents
loading

Table of Contents