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Hi-Fi AUDIO/VIDEO HEAD AMP SCHEMATIC DIAGRAM
AUDIO CONTROL HEAD P.C.B.
AUDIO HEAD
P4092
P4091
5
AUDIO HEAD
6
AUDIO HEAD
6
AUDIO ERASE HEAD
3
AUDIO ERASE HEAD
1
AUDIO ERASE HEAD
CONTROL HEAD
2
CTL HEAD GND
CTL HEAD
4
VJBS0A84
TO MAIN
C.B.A. P3001
P3501
20
19
5
18
Hi-Fi REC AUDIO
Hi-Fi HEAD SW
17
Hi-Fi PB AUDIO
16
Hi-Fi D-REC(H)
15
UNSW +5V(VIDEO)
14
13
GND
AUDIO ERASE HEAD
4
3
AUDIO ERASE HEAD
6
GND
4
8
DELAY REC +12V
CUE/REV/SS(L)
10
REC/PB VIDEO
1
9
PB (L)
HEAD AMP SW
11
ENV-DET
12
SW +12V
7
L3501
HEAD SW 2
100
5
GND
Z
C3541
C3504
3
0.01
C3506
0.1
C3505
47/16V
IC3501
AN3361SB
(HEAD AMP)
Z
Z
C3501
C3502
2
Z
C3503
0.01
1
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/10W.
A
B
1
2
3
4
5
6
Z
C3507
1000P
36
35
34
33
32
31
30
29
28
27
26
25
GND GND
GND
PB +5V
ENVE
CTL
DET
PB
REC
L
R
SP
R
L
LP/SLP
REC
REC
REC
REC
AMP
AMP
AMP
-ON
-ON
-ON
-ON
LOGIC
1
2
3
4
6
10
11
12
5
7
8
9
Z
C3509
R3502
L3502
Z
Z
56
L3503
Z
L3504
Z
C
D
E
PB AUDIO SIGNAL
REC AUDIO SIGNAL
L4401
100
C4414
C4413
C4412
47/6.3V
0.1
R4410
0.1
1K
R4411
TP4405
1K
C4411
0
Z
C4408
R4409
R4408
0
C4409
10/16V
0.01
Z
C4407
16
15
14
13
12
GND
IC4401
AN3328S
L
R
REC
Hi-Fi AUDIO
-ON
PRE
PRE
HEAD AMP
AMP
AMP
GND
R4407
1
2
3
4
5
560
C4406
Z
Z
4700P
Z
24
23
22
21
20
19
AMP
TP4402
LP/SLP
SP
AMP
AMP
AMP
PB
PB
ON
ON
13
15
18
14
16
17
C3532
C3528
P3503:PATTERN ONLY
0.1
0.1
7
Hi-Fi AUDIO L HEAD
C3529
R3505
0.01
9
Hi-Fi AUDIO R HEAD
56
Hi-Fi AUDIO L/R HEAD
8
6
VIDEO SP L HEAD
4
VIDEO SP R HEAD
5
VIDEO SP L/R HEAD
3
VIDEO LP/SLP R HEAD
1
VIDEO LP/SLP L HEAD
2
VIDEO LP/SLP L/R HEAD
L3505
Z
R3506
R3507
TP3501
560
560
VOLTAGE CHART
F
G
PB VIDEO SIGNAL
REC VIDEO SIGNAL
P3502 (TO CYLINDER UNIT):PATTERN ONLY
UNSW +14V
8
7
GND
6
HE+
5
VH+
4
HE-
3
MAIN COIL 1
2
MAIN COIL 2
1
MAIN COIL 3
P2601
12
MAIN COIL 3
11
MAIN COIL 2
10
MAIN COIL 1
Z
9
HE-
8
VH+
7
HE+
6
GND
TP4406
5
CTL HEAD GND
4
UNSW +14V
11
10
9
3
AUDIO HEAD
AGC
2
CTL HEAD
DET
REC
AUDIO HEAD
1
AGC
REC
AMP
REC
-ON
PB-ON
6
7
8
Z
R4412
R4413
Z
R4404
R4405
1K
C4405
0.01
UPPER CYLINDER UNIT
PIN
Hi-Fi AUDIO
7
L HEAD
9
Hi-Fi AUDIO
R HEAD
8
6
VIDEO SP
L HEAD
4
VIDEO SP
5
R HEAD
3
VIDEO LP/SLP
1
R HEAD
2
VIDEO LP/SLP
L HEAD
VJBS5035
H
I
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
Not Used
A
PV-DF2700-K
B
Not Used
Z
TO MAIN
C.B.A.P6202
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