Akai AP-M313

+12V
ARM
p20
t3¥
Mm
EIETER
VOLTAGE
CHANGE
I
+12
te
acKinG
AJ
si
90!
circuit
|
| TRS t
|
SENSOR
DETECTION OF
'7Cm LEAD OUT &
REST POSITION
DETECTION OF
30Cm LEAD OUT &
EACH LEAD IN
POSITISION
6.8V ZENER
TRIO v hipee
! vRi
|
hee ol
PHIOI SENSITIVITY
ADJ.
IC2 PIO49A-1842
SENS. 2
POWER ON INO.
TRUTH TABLE OF IC M54547P
Gi
? POWER
+31 <2 [ON/STANDBY,
O
A
SIZE
30
em—el7om
(1)
ARM
POSITION
2
fenton
SENS.
|
home)
05
1
(2)
ARM
POSITION
Qi)
= a
SMI
G9
TRACKING __
Y
RI9
|
A
SENS.
ON/OFF
osc
b
TS2
= r
2 i]
Ee
we
eM
.
a
ARM MOTOR &
FWD
wl
ae
™S4
ox
ey
ARM
MOTOR
1s5
ee
ee
lees
ee
ee
ee
°
UP/DOWN Vop
TEST RESET
REPEAT IND
bal
onvore
(2
+12V
s
SPINOLE
IC3:
BA328
MOTOR
ON/OFF
2/2
1C3
CONTROL
C45
“H’>
MOTOR
ROTATE
g
0103,104
PHONO
P
“L’S>
MOTOR
STOP
AMP
SPEED
33rpm——=— 45rpm
reas;
19
0
0;
T90I
f
RIAA
|
45rpm|
33rpm
SEED | SPEED
+$12V ADJ. ADJ.
AC POWER IN
LA55I2
Ic
SPINDLE O
o i
PHONO
M9OI
D6
AMP
5V
ZENER
(3)
,
DIODE
4
O
j
(2)
2
SPINDLE MOTOR
ON/OFF CONTROL
AP-M3I3
BLOCK DIAGRAM
No. 86031 3Aus
L
L
4 ‘
% MOTOR SPEED CONTOLLED BY INA. (ANALOGUE IN)
<== = Arm = move to spindle direction
a> = Arm move to Arm Rest direction
VA