Sony PS-X65 - Page 11

| PS-X65 PS-X65 |
Tonearm
Horizontal
Motor
Offset
Adjustment
Speed-detecting
Head
Output
Level
Adjustment
.
Secure
the
tonearm
on
the
arm
rest.
1.
Set
the
SPEED
to
33
rpm.
.
Connect
an
oscilloscope
to
TPS.
2.
Connect
a
VTVM
as
shown
below.
3
. Push the MOTOR ON/OFF button to rotate the
. Push the ARM TRANSPORT (Y, WZ) button and ;
oscilloscope
turntable.
move the arm rest up and down several times.
Adjust
RV111
to
make
A
and
B
shown
below
.
Adjust
the
position
of
the
speed-detecting
head
so
that the VITVM reading is 20 mV ac to 50 mV ac.
Note: The clearance between the magnet coated rim
and the speed-detecting head should be more
than 0.3 mm.
equal.
adjustment
screw
Turntable Motor Adjustment
terminal
@ 1. Make an adaptor for adjustment as shown below.
2. Connect a VTVM and an oscilloscope as shown.
terminal © | 3. Set the SPEED to 33 rpm.
. 4
. Throw the switch to terminal 6) and adjust
RV108 for a 4 Vp-p reading on the oscilloscope.
. Throw the switch to terminal ©) and adjust
RV107 for a 4 Vp-p reading on the oscilloscope.
. 7 . sweep time
. Throw the. switch to terminal © and adjust ; lengthened for
Speed
Adjustment
RV110
for
a
0
V
de
reading
on
the
VTVM
or
fora
easy
observation
Set
the
SPEED
to
45
rpm.
waveform
as
shown
right.
. Throw the switch to terminal © and adjust
RV109 for a 0 V dc reading on the VITVM or for
.
Adjust
RV106
for
a
waveform
as
shown
below.
a
Wavelorny
asshowniiant.
. Set the SPEED to 33 rpm.
. Adjust RV105 for a waveform as shown below.
. Confirm that the LOCKED indication is lighting
up.
45 rpm | | | |
150—250 ysec
. Connect an oscilloscope to TP8.
oscilloscope
33 rpm
adaptor for
450—550
sec
.
adjustment
—15— =< Lo