Sony PS-Q3A Service Manual

SECTION 3
ADJUSTMENTS
3-1. MECHANICAL ADJUSTMENTS
paciihesaeeaniormances
1.
11.
Drop Point Adjustment
Set the test record (YFSC-16) on the turn-
table.
Select the SPEED/SIZE selector switch to “30”
cm and “33” rpm.
Turn on the POWER switch. The LED indicator
lights.
Push the START/STOP switch.
5. The tonearm should lead in and play the re-
cord.
. Adjust the drop point adjustment screw in such
a way that the 30 cm record drop point is 7 to
15 counts.
. Push the START/STOP switch and return the
tonearm to the arm rest.
. Select the SPEED/SIZE selector switch to “17”
cm and “45” rpm,
9, Push the START/STOP switch.
. The tonearm should move to the lead-in groove
of 17 cm record and play the record.
At this time, the 17 cm record drop point
should be 6 to 24 counts. If the drop point is
not in the above range, adjust the drop point
adjustment screw again.
Select the SPEED/SIZE selector switch to “30”
cm and “33” rpm again. Make sure that the 30
cm record drop point. Adjust the drop point
if necessary.
return point adjustment screw
ls
10.
A.
Return Point Adjustment
Put the return point adjustment record
(YFSC-16) on the turntable.
. Select the SPEED/SIZE selector switch to ‘‘30”
em and “33” rpm.
. Move the tonearm to the start position of the
return point groove by hand.
. Turn on the POWER switch. The LED indicator
lights.
. Push the START/STOP switch to play the
record.
. Adjust the return point adjustment screw in
such a way that the tonearm returns at the 30
em record return point 10 — 13 counts.
. Select the SPEED/SIZE selector switch to “117”
cm and ‘33” rpm. (The tonearm is on the arm
reset.)
. Move the tonearm to the start position of the
17 cm record return point groove by hand.
. Push the START/STOP switch. The tonearm
should. down to the record groove and play the
record.
The tonearm should stop playing the record an
and return to the arm rest at the 17 cm record
return point 14 — 17 counts.
Readjust the return point adjustment screw
finely if necessary.
Select the SPEED/SIZE selector switch to “30”
cm and “33” rpm. Make sure that the 30 cm
record return point again.
Caution: If the record play is started under ‘30” cm
sélected by the SPEED/SIZE selector switch, the
SPEED/SIZE selector switch can be changed
from “30” cm to “17” cm during playing the
“= record. However, if the record play is started
“whder “17” cm, the SPEED/SIZE selector switch
can not bé changed to “30” ¢m during playing
the record.
drop point adjustment screw
Reduce Increase
count count
(ccw) (cw)

Sony PS-Q3A Specifications

General

Brand	Sony
Model	PS-Q3A
Category	Turntable
Language	English