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REC AUDIO SIGNAL
PB AUDIO SIGNAL
TO MAIN I
17
VIDEO BLACK DETECT
5
VIDEO
102
TO MAIN II
103
CUE/REV/SS(L)
4
IC3801
AN3275SB-E1
SYNC
DETECTOR
3
L3801 100
SW +5V(VIDEO)
104
TO MAIN III
WF42
AUDIO
105
TP3804
2
TO MAIN II
92
PB AUDIO
HEAD AMP SW
106
E/V-MASK(H)
50
TO MAIN I
AUDIO BLACK
18
DETECT
1
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/10W.
A
A
A
B
CYLINDER SERVO
CAPSTAN SERVO
TP3802
WF40
C3822
1/50V
36
35
34
33
32
31
30
29
28
27
V-REF
GND
CLAMP
BLACK VIDEO
CLAMP
LPF
AMP
DETECTOR
H-MASK
V/H SYNC
DELAY
SEPARATION
H-MASK
WIDTH
CONTROL
CA
LPF
BLACK AUDIO
AUDIO
MA
DETECTOR
LATCH
AMP
CA
VCC
AUDIO DC
1
2
3
4
5
6
7
8
9
10
Z
Z
Z
TP3801
Z
C
D
B,C,D,E,F,G
Z
TP3805
Z
C3830
26
25
24
23
22
21
20
19
MA
CA
VIDEO
COUN
LATCH
TER
V-SYNC
V-MASK
SEPARATION
DELAY
V-MASK
WIDTH
CONTROL
COUN
TER
ENVELOPE DETECTOR
MIX
VIDEO
MA
DETECT
14
18
11
12
13
15
16
17
C3812
1000P
C3811
Z
C3810
0.01
C3828
R3807
WF41
39K
100P
TP3803
E
F
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
(CYLINDER MOTOR DRIVE)
IC2601
AN3808K
CYLINDER MOTOR MAIN COIL DRIVE
BACK ELECTROMOTIVE FORCE DETECT
CHARGE/DISCHARGE CTL
EXTERNAL SYNCHRONIZATION
CONTROL LOGIC
DIVIDER
PG/FG PULSE
WAVEFORM
TORQUE
GENERATOR
SHAPER
COMMAND
OSC
GND
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R2604
C2612
1
0.1
1/4W
C2611
0.01
R2606
560
Z
C2616
100/6.3V
G
H
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PV-V4600
A
PV-V4620
B
PV-V4620-K
C
PV-V4630-K
D
PV-V4640
E
PV-V4640-K
F
PV-V4660
G
Not Used
Z
16
R2605
1.2
1/4W
C2603
4.7/25V
R2603
33
TO HEAD AMP
P6202
C.B.A. P2601
12
MAIN COIL 3
11
MAIN COIL 2
10 MAIN COIL 1
9
HE-
8
VH+
7
HE+
6
GND
5
CTL HEAD GND
4
UNSW +14V
3
AUDIO HEAD
2
CTL HEAD
1
AUDIO HEAD
19
UNSW +14V
TO MAIN III
2
UNSW +5V(SYS.CTL)
30
CYL ERROR
CYL PG/FG
31
TO MAIN I
70
CTL HEAD
CTL HEAD GND
71
72
AUDIO HEAD
TO MAIN II
69
AUDIO HEAD
VJBS6062 A,B,C,D
VJBS6063
E,F,G
J
I
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