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Sony PS-1150 Service Manual page 4

Automatic stereo turntable system

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3-1.
| Ps-1 150
PS-1150
SECTION
3
ADJUSTMENTS
AUTOMATIC
RETURN
POSITION
ADJUSTMENT
3-1-1.
Perform
this adjustment
when
the tonearm
does
not back to the tonearm
rest or it backs
to
the
tonearm
too
strongly
while
operating
automatic tonearm return.
. Remove the turntable platter.
. Slowly
move
the tonearm
to nearly the center
of the main cam until it stops.
. Slowly
turn
the
main
cam _ counterclockwise
by hand.
. The
tonearm
lifts up and starts to move to the
tonearm rest,
. Adjust
the
eccentric
pin
when
the main
cam
rotates
approximately
one
half turn
(at which
time the tonearm
moves
most
fast) so that the
tonearm just rests on the arm rest.
eccentric pin
tonearm
tonearm rest °
tonearm slide/return fever
3-1-2,
Adjust the screw and the cam with the tone-
arm rested on the tonearm rest.
After
above
adjustment,
confirm. the auto-
matic return operation using the lead-out groove
of a record.
approx.
4mm
(5/32)
Widen when return distance
fs short.
Narrow when return distance
tonearm slide/return fever
tonearm lever
ass'y
switch fever
adjustment
screw
switch bracket
)
3-2.
SPEED-CHANGE
LEVER
HEIGHT
ADJUSTMENT
4
1. Fully press in the motor pulley on the motor
shaft.
2. Push SPEED 33 button in.
3. Adjust the adjustment
screw so that the end of
the speed
change
lever just fits to the 33rpm
portion of the pulley.
@ Jever
BRERA CHADD
Fully push in.
y
Es
és
Ae y
upper plate
motor pulley
adjustment screw
Z1
A
'
3-3.
ADAPTATION
TO LOCAL
LINE
FREQUENCY
Select the motor pulley.
50 Hz
60 Hz
{no groove)
{graoved)
Gea
2
ne
J
w
i
es
:
Ls)
groove
4-1.
4-2.
WIRING
DIAGRAM
(1) (E model)
SECTION
4
DIAGRAMS
R-LH
GROUND
L-CH
RED
TO TONEARM
CNP
AC
{INPUT
220V~240V
NOoV~i20V
MOTOR (M)
$2»
220V-
240V.
a NC
SCHEMATIC
DIAGRAM
(1) (E model)
RED (BLU)
Note: Colorin(
—_) represents color of
replacement connector's lead,
aaron
esraee eg enasne pe canentene
eeu
ingiL,
aaa
: Note:
The components identified by shading are critical for |
=
safety.
Replace only with part number specified. .
oe
SR
eee
VOLTAGE SELECT
Ich | RCCH
acance
{.110V"120V |
RED (BLU)
AC INPUT
220V% 240V
NOVuI20V
50/60Hz
CPI
O—O
WHT
Note: Colorin(
) represents color of
}
replacement connector's lead.
S|
MOTOR
ON/OFF

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