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Apply all around
at a width of 1mm
Half of the grooved
section
EV sheet assembly
Fig. 5-5 EV sheet section
5.2
PRECAUTIONS
FOR
ATTACHMENT
OF
PARTS AND REASSEMBLY
e Motor Attachment
When installing the motor, set the cam in the
mechanism
stop
location
and
verify
that
the
starting
plate
section
does
not
protrude
be-
yond surface (A)of the cam.
If the motor is at-
tached
with the starting plate section (B) protrud-
ing, the starting plate may be deformed, the motor
pinion
gear
may
be scratched,
and
the returm
function may be damaged.
Signal plate
Starting plate
a
Fig. 5-6 Motor attachment
e PU Plate Attachment
Push the PU plate into place so that the PU
plate bearing section touches the revolution shaft
attachment nut.
Installation direction is as shown
in figure 5-7.
Pe
Arm base
scale mark
Fig. 5-7 PU plate attachment
e AS Knob Attachment
When
installing the AS knob, put the AS knob
rib against the AS knob revolution control stopper
(attached
to the arm
base) and
affix with the
screw.
As the stopper may break, be sure to press
the
AS
knob
down
firmly
when
installing
it.
se aa
Fig. 5-8 AS knob attachment
Stopper
e Arm Base Attachment
When
attaching
the arm
base
section
to the
mechanism
section,
put the mechanism
section
switch locker and switch lever in the locked posi-
tion and verify that the tonearm is in the arm rest
location.
Also be sure to put the manual elevation
lever in the up position and check that the PU
plate shaft is in the position shown in figure 5-9.
PU plate shaft
Switch
lever
Switch
locker
Fig. 5-9 Arm base attachment
e Wiring the Connector
When
attaching the wires to the 2P connector
from
the microswitch,
bend the lead wires from
the
connector
housing
as shown
in figure
5-10
before attaching.
Lead wires
Connector
housing
Fig. 5-10 Wiring the connector
11
6. BLOCK
DIAGRAM
ROTATIONAL
CONTROL
PA2007
#P-V
CONVERTER —
CONVERTS
REFERENCE
PHASE
TO
VOLTAGE
(0C).
LOCK
RISCRIMINATOR
CIRCUIT
% F-V
CONVERTER — CONVERTS
FREQUENCY
TO
VOLTAGE
(DC).
Panis srnocn |
eo
(16)
O
45
TP2
Q Ps SPEED
MOTOR
DRIVE
vec 2
!0V
CONSTANT
VOLTAGE
CIRCUIT
ROTATIONAL
DIRECTION
INDICATOR
(AT CONSTANT
SPECIFIED
ROTATION )
age
REVERSE
ROTATION
4- a
Ceneree
Ea
iin
FORMATION
about 1 mV rms
SPEED
DETECTION
Vee 1
WAVEFORMS IN (1) THRU (@) ARE
PASSED THROUGH BUFFER AMP
|
ki
!
SMe?
sTOP
OISCRIMINATOR
CIRCUIT
12
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