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osc /
1¢ 401
xX 401
7.86432 MHz
WHEN RV75I
IS SET
AT MECHANICAL
MID
SECTION
1
BLOCK
DIAGRAM
1€ 404 DIVIDER
B
C
(1)}-—acP 5
gcP :
qcp
(i)
ics
PS-X9
PS-X9
-1¢402
DIVIDER
REG
Q701, 702
DIVIDER
172'e
DIVIDER
1/20 1/27
DIVIDER
o—>{(2)
1
PITCH)
B+
X'TAL- '= (iN)
ales
: PHASE
| FILTER AMP
O
1C407-1
ICOMPARA-
TOR
POSITION,
L
osc
SWITCHING
(9
X'TAL-LOCK MECHANISM
Q401 - 406
0407
OPERATES,
"it pulls)
SWITCHING
$7
; [PITCH
p40!
Qazi
XTAL-LOCK]
° |
B+
OO
co]
B+
0756
oy D757
&)
.
SWITCHING
SPEED CHANGE
SWITCHING
SWITCHING
SWITCHING
a4l4
pean
a4?
0418
49
SPEED
SELECTOR
af
S|
dl?
RV403
°
33RPM
cree
or
SWITCHING
ie
4:
ADJUSTMENT
0425
33.173}
Io
Rv404
45RPM SPEED
ADJUSTMENT
LIMITER
AMP
1C408-|
MGH
(MAIN)
e::
TURNTABLE
SPEED
'DETECTING HEAD
MGH
Oy
| LIMITER AMP
(SUB)
Y
IC 408-2
$3
©
START/ STOP
SHUTTER
SYSTEM:
CONTROL
SWITCHING
Q601, 602
AUTO-RETURN
DETECTION
SWITCHING
(SHAPER)
Sree [+ 1GAMTOOTH -)
0422
ates
0424
D422
eared
SAMPLE HOLD
BUFFER AMP
SWITCHING
ee eet
0442
Q443
0444
Q445
Q446,
447
COMPARATOR
Q426
PULSE
AMP
SAMPLE
HOLD
Q427, 428
Q429
:
w0414
B+
WAVEFORM
pe
SHAPER
1403
SWITCHING
Q448
Bt
SWITCHING
Q433
|
OFFSET
ADJUSTMENT
|
RV408
B-
WAVEFORM
SHAPER
16.405
Cc
td
ee
C
D
IC 406
DIVIDER
'
MOTORIA) SECTION
1
RV405
R
GAIN
ADJUSTMENT]
'
MI
MOTOR(A)
TURNTABLE}
MOTOR
DRIVE
AMP
Q 434, 435, 438,
0439, 708, 709
MOTOR
DRIVE
AMP
Q436, 437, 440,
0441, 706, 707
BRAKES ARE APPLIED TO
TURNTABLE
WHEN
PMI
IS ACTUATED.
RECT
D705- 708
i
START / STOP
FLIP— FLOP
603,604
SWITCHING
4605
ie
Déi3
RETURN. POSITION
SWITCHING
SWITCHING
REJECT
DETECTION
=
Ne
Q618
619
0626
4620, 621
LAMP
LIGHTING
Q615-617
SWITCHING
Q610, 609
CNJ 2
REMOTE
CONTROL
SOCKET
(
OFF
(NC)
ON
(NO) $6 RETURN
(Cc)
B+
RECT
D608,609
ae
3
MOTOR DRIVE
B+
sect
4 | auoio amp } 8-
we
circuIT — < :
mover oRIVE
[peg
5 :
5ee
9703
B+
MOTOR DRIVE
62
abe?
SECONDARY
RECT
Cli
DI503-1506
INVERTER
Q1503-1506
TRIGGER
QISOl, 502
M2
*
ON DURING RETURN
SWITCHING
i
MOTOR(B)
!
OPERATION
)
Q623,624
(RETURN)
B-
MOTOR DRIVE
aa
4
sane
Fl
AC
IN
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