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A
B
C
MAIN 3/3
1
2
MONITOR
OUT
3
COMPONENT
VIDEO
4
AV 1
5
AV 2
6
7
AV 3
AV 4
AV 5
8
AV OUT
VIDEO
9
MONITOR OUT
10
D
E
F
Page 82
E5
to OPERATION (4)_CB194
0
0
0
5.0
0
0
0
5.0
0
0
0
0
5.0
-4.8
0
0
0
-4.8
0
0
0
0
0
0
COMPONENT
SELECTOR
-9.4
-4.8
-5.5
-5.5
0
0
0
-4.8
0
5.0
0
0
0
0
0
0
0
0
0
5.0
0
0
IC43
0
3.3
0
COMPOSITE
0
SELECTOR
0
IC43
3.3
0
0
IC43
0
3.3
0
0
IC43
0
3.3
0
3.3
0
0
IC43
0
0
0
IC43
0
3.3
G
H
I
MAIN (2)
MAIN (3)
R, S models
to POWER TRANSFORMER
VOLTAGE
SELECTOR
CB51
MAIN (4)
-4.8
-4.8
0
0
5.0
-4.8
-4.8
0
0
5.0
J
K
L
IC41: NJM2586AM (TE2)
Wide band 3-input 1-output 3-circuit video amplifier
CH1 IN1
1
Bias
Cont1
SW 1
2
Cont2
CH1 IN2
3
Bias
SW 2
4
CH1 IN3
5
Bias
GND
6
V
+
1
7
CH2 IN1
8
Bias
GND
9
CH2 IN2
10
Cont2
Bias
GND
11
CH2 IN3
12
Bias
IC42: TC74HC4051AFEL
8-channel analog multiplexer/demultiplexer
A
B
C
INH
IC43: LA73050-TLM-E
6-channel 75-ohm video driver
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★ Components having special characteristics are marked
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
M
N
RX-V371/HTR-3064
75
6dB
24
CH1 OUT
Driver
Amp
23
PS
Cont1
75
6dB
CH2 OUT
Driver
22
Amp
21
V
+
2
Cont1
6dB
75
CH3 OUT
Driver
20
Amp
19
GND
-
18
V
2
17
CH3 IN1
Bias
-
16
V
1
15
CH3 IN2
Cont2
Bias
14
GND
13
CH3 IN3
Bias
COM
OUT
C IN
0
1
4 1
16
Vcc
2
6 2
15
2
3
COM 3
14
1
7 4
13
0
4
5 5
12
3
5
INH 6
11
A
6
V
7
10
B
EE
OUT
C IN
7
GND 8
9
C
and must be replaced
85
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