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A
B
C
MAIN 1/2
1
POWER AMPLIFIER
-46.4
SURROUND L
-12.0
2
-12.0
3
3.3
3.3
-11.8
4
3.3
3.3
-11.8
POWER AMPLIFIER
-46.4
CB101
5
Page 65
B4
to DSP_CB501
-12.0
-12.0
6
FRONT L
CENTER
3.3
3.2
-11.8
7
-11.8
8
9
10
MAIN (1)
D
E
F
IC102
47.8
47.7
47.5
47.5
1.7
IC101
47.5
47.5
47.5
47.3
47.3
46.3
47.3
LIM [V]
-47.3
-47.2
-47.0
-46.4
-47.2
-47.5
-47.5
-47.5
High
Low (U, C models)
LIM [V] (A/D 3.3V=255)
+3.0 to +3.3 (255)
+1.20 to +1.35 (102)
+42.0 to +48.0 (8-ohms)
+BV [V]
+20.0 to +23.0 (8-ohms/6-ohms)
+33.0 to +36.0 (6-ohms)
-48.0 to -42.0 (8-ohms)
-BV [V]
-25.0 to -23.0 (8-ohms/6-ohms)
-36.0 to -33.0 (6-ohms)
G
H
I
FRONT L
SPEAKERS
W101A
to MAIN 2/2
W103
to OPERATION (6)_CB261
SURROUND L
CENTER
W102A
CB103
to OPERATION (2)_CB233
11.8
11.7
to MAIN 2/2
0
-12.0
0
-12.0
0.1
to MAIN 2/2
3.2
11.8
11.8
0
0.1
11.6
-12.0
11.6
-12.0
11.7
to MAIN 2/2
0
-12.0
-12.0
0
11.8
11.8
0.1
to MAIN 2/2
0.1
0.1
11.6
11.6
3.2
11.6
11.6
0
-12.0
-12.0
11.7
-26.6
to MAIN 2/2
0.1
-28.7
-27.2
-27.2
0.1
0
-47.6
47.8
0.1
J
K
L
FRONT A
L/R
Page 72
G2
to VIDEO (4)_CB381
Page 67
B5
Page 72
G4
IC101: STK433-330-E
to VIDEO (4)_CB382
3-channel AF power amplifier, stand-by circuit built-in
3
8
Pre
Driver
Page 68
A8
CH1
11
+
12
–
Bias Circuit
1
2
SUB
9
5 4 6 7
IC102: STK433-130-E
2-channel AF power amplifier, stand-by circuit built-in
3
8
Pre Driver
CH1
11
+
12
–
-11.8
1
2
-12.0
-12.0
SUB
10
9
0
-12.0
AC 56.3
CB104
-37.5
0
0
-37.5
To POWER TRANSFORMER
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
AC 70.6
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
M
N
RX-V561/HTR-6050
Pre
Pre
Driver
Driver
CH2
CH3
MONO IC
+
+
–
–
10
13
14151617
19 18
Pre Driver
CH2
15
+
14
–
Bias Circuit
5
4
6
7
13
69
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