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HEAD AMP SCHEMATIC DIAGRAM (A)
AUDIO CONTROL HEAD P.C.B.
AUDIO HEAD
P4092
5
AUDIO HEAD
6
AUDIO HEAD
AUDIO ERASE HEAD
3
AUDIO ERASE HEAD
1
AUDIO ERASE HEAD
CONTROL HEAD
2
CTL HEAD GND
5
4
CTL HEAD
VJBS0A84
(TO TV/VCR MAIN C.B.A. P3001)
P3501
AUDIO ERASE HEAD
4
AUDIO ERASE HEAD
3
GND
6
4
8
DELAY REC +12V
10
REC/PB VIDEO
1
9
PB (L)
7
SW +12V
L3501
HEAD SW 2
100
5
GND
C3504
0.01
C3505
3
47/16V
Z
C3501
2
Z
C3503
0.01
1
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/10W.
A
B
REC AUDIO SIGNAL
P4091
1
2
3
4
5
6
Z
C3541
36
35
34
33
32
31
30
29
28
GND
GND
GND
GND
GND
C3506
PB
5V
0.1
PB
REC
IC3501
AN3371SB
R
L
(HEAD AMP)
AMP
AMP
REC
REC
-ON
-ON
LOGIC
GND
GND
GND
1
2
3
4
5
6
7
8
9
WF81
Z
R3502
C3509
L3502
Z
Z
0
L3503
Z
C
D
PB AUDIO SIGNAL
REC VIDEO SIGNAL
Z
27
26
25
24
23
22
21
20
19
GND
GND
GND
GND
GND
AMP
AMP
PB
ON
GND
GND
GND
10
11
12
13
14
15
16
17
18
C3528
0.1
C3529
0.01
R3507
C3530
330
E
F
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
PB VIDEO SIGNAL
P3502 (TO CYLINDER UNIT) :PATTERN ONLY
8
UNSW +14V
GND
7
6
HE+
5
VH+
4
HE-
3
MAIN COIL 1
2
MAIN COIL 2
1
MAIN COIL 3
(TO TV/VCR MAIN C.B.A. P6202)
P2601
12
MAIN COIL 3
11
MAIN COIL 2
10
MAIN COIL 1
HE-
9
8
VH+
7
HE+
6
GND
5
CTL HEAD GND
4
UNSW +14V
3
AUDIO HEAD
2
CTL HEAD
AUDIO HEAD
1
UPPER CYLINDER UNIT
P3503 :PATTERN ONLY
PIN
3
VIDEO SP L HEAD
6
1
VIDEO SP R HEAD
4
2
VIDEO SP L/R HEAD
5
Z
TP3501
WF80
LINK TO SIGNAL WAVEFORM
LINK TO VOLTAGE CHART
G
H
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PVQ-2511
A
PV-C2541
B
Not Used
Z
VIDEO SP
L HEAD
VIDEO SP
R HEAD
VJBS5043
I
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