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A
B
C
MAIN 1/3
1
0
1.7
3.3
3.3
3.3
0
SURROUND L
3.3
0
3.3
Page 78
F2
2
3.4
0
to DIGITAL_CB222
0.8
0
0
0
0
-11.6
to MAIN 2/3
0
0
0
0
CB1
3
4
5
FRONT L
to MAIN 2/3
6
7
CENTER
8
9
10
D
E
F
IC2
54.2
54.2
0
53.9
0
0
0
53.9
0
0
5.0
0
0
IC1
53.9
0
0
0
0
53.9
0
0
0
0
53.9
0
0
0
0
53.7
53.8
53.2
53.7
52.7
3.3
3.3
2.7
2.7
-52.9
-53.7
-53.5
-52.9
-53.7
-53.9
-53.9
-53.9
0.2
0.2
0
0
G
H
I
MAIN (1)
FRONT L
3.3
0
0
0
0
0
0
0
3.4
0
0
CENTER
0
0
0
0
0
0
SURROUND L
CB2
12.2
0
12.2
-11.8
1.7
12.1
-38.9
12.1
-11.8
0
11.8
-11.8
0
12.1
0
0
12.0
3.3
12.0
0
-11.8
12.2
0
0
12.0
3.3
12.0
0
-11.8
12.2
0
0
12.0
3.3
12.0
0
-11.8
0
-52.3
-38.9
-39.2
5 k-ohms
10 W
-39.4
0
0
-54.1
54.2
0
-52.3
0
5 k-ohms
10 W
J
K
L
FRONT
SPEAKERS
L/R
IC1: STK433-330F-E
3-channel AF power amplifier, stand-by circuit built-in
3
8
Pre
Driver
CH1
+
11
–
12
Stand-by Circuit
1
2
W1
SUB
9
5 4 6 7
10
Page 81
A4
to OPERATION (5)_CB166
IC2: STK433-130F-E
2-channel AF power amplifier, stand-by circuit built-in
3
8
Pre Driver
CH1
11
+
12
–
CENTER
SPEAKERS
1
SURROUND
2
L/R
SUB
9
5
4
6
7
Page 82
B10
to OPERATION (2)_CB134
Notes)
Safety measures
12.2
12.1
-11.8
-12.1
-11.8
0
-11.8
CB3
AC41.1
to POWER TRANSFORMER
AC80.2
★ 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
Pre
Pre
Driver
Driver
CH2
CH3
+
+
–
–
13
14 15 16 17
19 18
Pre Driver
CH2
15
+
14
–
Stand-by Circuit
10
13
and must be replaced
83
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