1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
UNLESS OTHERWISE SPECIFIED:
WATTAGE OF RESISTORS IS
123456789101112
13 14 15 16 17 18 19 20 21 22 23 24
NOTE:
FOR SCHEMATIC AND C.B.A. DIAGRAM NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION (SECTION III).
GND
VJBS5003
FULL ERASE HEAD
HEAD SW
(HEAD AMP)
1/4W
Hi-Fi AUDIO/VIDEO HEAD AMP SCHEMATIC DIAGRAM
IC2601
AN3813K
GND
FULL ERASE HEAD
FULL
ERASE
HEAD
VJBS0482
FULL ERASE HEAD UNIT
1
CHARGE/
2
P3504
DELAY REC +12V
GND
SW +12V
REC/PB VIDEO
PB (L)
DISCHARGE CTL
DRIVE
BEMF
WF49
WF52
WF50
WF48
WF51
DET
SATURATION
DET
TORQUE
COMMAND
POSITION
SIGNAL
DET
CURRENT
MOD
GND
VCC
OSD
LOGIC
PG/FG
PROCESS
WAVEFORM
SHAPER
123456789
101112131415161718
V-REF
UNSW +5V (SYS.CTL)
CYL ERROR
CYL PG/FG
UNSW +14V
GND1
2
3
4
5
ENVELOPE DET
HEAD AMP SW
CUE/REV/SS (L)
1/4W
Hi-Fi AUDIO
6
7
8
9
20
10
11
12
13
14
16
15
17
18
19
21
22
DET
SW
AGC
AGC
BUFFER
(0.8)
REC
AMP
Hi-Fi AUDIO
Hi-Fi AUDIO
VCC
AMP
PRE
GND
UNSW +5V (VIDEO)
PB +5V
Hi-Fi HEAD SW
PB AUDIO
REC AUDIO
Hi-Fi DELAY REC (H)
L HEAD
R HEAD
HEAD AMP
(3.6)
CTL
L
L
RREC
99
77
88
Hi-Fi AUDIO HEAD
Hi-Fi AUDIO HEAD
R
L
Hi-Fi AUDIO L/R HEAD
ABCDEFGHI
1/10W.
TO MAIN
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
J
1
2
3
4
5
REC VIDEO SIGNAL PB VIDEO SIGNAL
REC AUDIO SIGNAL PB AUDIO SIGNAL CYLINDER SERVO
1
2
3
4
5
6
7
8
9
20
10
11
12
13
14
16
15
17
18
19
21
22
5
2
11
3
4
6
VIDEO SP L HEAD
VIDEO SP R HEAD
VIDEO LP/SLP R HEAD
VIDEO LP/SLP L HEAD
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
P3001-
UNSW +14V
GND
HE+
VH+
HE-
MAIN COIL 1
8
7
MAIN COIL 2
6
5
4
3
2
1MAIN COIL 3
TO D.D CYLINDER
PIN-
PIN-
PIN-
PIN-
PIN-
PIN-
PIN-
PIN-
1
2
3
4
5
6
7
8
CYLINDER
MOTOR
DRIVE
VIDEO LP/SLP L/R HEAD
VIDEO SP L/R HEAD
VIDEO SP
L HEAD
VIDEO SP
R HEAD
VIDEO LP/SLP
VIDEO LP/SLP
L HEAD
R HEAD
2
3
4
5
6
UPPER CYLINDER
PIN
5.0 5.0
(0.1) (0.1)
12.0 0
00
00 0
0.7
0.7 0.7
1.3
(0.7)
0.1
0.5
(5.1)
2.3
(2.7) (11.9)
2.6 (0)
(0) (0)
4.2
(0.3)
1.4
1.4
(0.2) (0.2) (0.2)
2.2 2.2
(6.3) (6.3) (6.3)
13.0 13.0
13.0
0.1
0.1
2.6 2.4 1.3 0.9
2.95.13.93.93.91.213.2
0.6
2.1
(0.6) (3.7)
LPF
(0) (0) (0) (4.1) (4.1)
000.90.90.900 0
5.15.1
/6.3V
2.6 0
2.12.03.00.60.5
(4.8) (1.4) (3.6)
(0) (0.8)
(D,E)
CTL
R
PRE
AMP
LP/SLP
SP
LP/SLP
AMP
ENVE
PB
REC
0
AMP
RL
AMP
DET
SP
GND GND GND
AMP
AMP
AN3361SB
0.1 0.1
47K
0.1
0.1
0.1
0.1
56
56
0.1
0.01
0.1
56
56
560
560
0.1
0.1
100
0.01
47/16V
390
470P
0.01
0.01
0.1
0.01
1
470
470
470
0.1
0.022
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.01
560
0.1
1K
10
1.2
1K
680
0.01
0.01
220P
1800
0.01
100P
0.01
0.1
0.01
100
220K
0.047
100
1K
2200
0.01
0.01
12
BA7746FS
100P
1500
1500
0.01
0.1
0.1
0.1
IC3501
C3520 C3524
R3501
C3511
C3512
C3519
C3523
R3502
R3503
C3532
C3529
C3528
R3504
R3505
R3506
R3507
C3506
C3513
L3501
C3504
C3505
R4421
C4415
C3503
C3507
C3508
C3533
P3503
P3501
R2604
R2603
R2602
R2601
C2612
C2611
C2607
C2604
C2606
C2608
C2609
C2603
C2602
C2601
C2610
R2606
C2605
P3502
R4412
R4418
R2605
R4419
R4406
C4410
C4411
C4405
R4416
C4418
C4413
C4409
C4403
C4401
L4401
R4403
TP4401
C4416
C4408
R4401
TP4402
R4415
TP3501
C4407
C4406
TP4403
TP4404
R4407
TP4405
IC4401
C4414
R4413
R4414
C4402
C4417
C4412
C4404
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