Sony PS-Q3A Service Manual

| PS-Q3 PS-Q3 |
SECTION 1 :
OUTLINE
1-1. PARTS LOCATION 1-2, MECHANISM DESCRIPTION
AUTOMATIC OPERATION MODE
1. REST
cam
gear
lead-in
clutch
*
Cam
gear
stops,
pressing
the
rest
switch.
*
The
lifter
rod
is
in
the
“arm
lifted”
state.
*
The
arm
lead
pin
is
in
the
rest
position.
@ The arm drive motor (M1) is driven when the
arm lead pin START/STOP switch is pressed, and the cam
gear turns. Then the turntable motor (M2) goes
on.
reset block
S3
play switch
45
rpm
adapter
lead-in
plate
lock
pin
2. DROP POINT
S6 o
center
spindle
rest
switch
Pei
@ S6 goes off.
@ The arm lead pin is pressed and the arm moves
inward.
@ The lead-in plate hits the size selector lever, and
the arm movement stops. (drop point)
arm lock latch
turntable
arm rest
cartridge
size selector
lever
SPEED/SIZE selector switch
POWER switch
and indicator
START/STOP button
arm lead pin
3. LEAD-IN CLUTCH RELEASE
lead-in plate pin
, + Since the lead-in plate stops and the cam gear
turns, the lead-in clutch comes off of the lead-in
lead-in clutch : .
/ plate pin.
Nec ee

Sony PS-Q3A Specifications

General

Brand	Sony
Model	PS-Q3A
Category	Turntable
Language	English