A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
RX-V550/HTR-5750/RX-V450/HTR-5740/DSP-AX450
82
SCHEMATIC DIAGRAM (MAIN)
★
All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
★
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.
★ 電圧は、内部抵抗10MΩの電圧計で測定したものです。
★
s
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、パーツリス
トに記載されている部品を使用してください。
★ 本回路図は標準回路図です。改良のため予告なく変更することがございます。
FRONT L
CENTER
SURROUND L
1.1
1.1
0.6
0.6
0.6
0.1
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
-0.5
-1.0
-1.0
-1.0
-1.0
-1.0
-0.4
-0.4
-0.4
-0.4
-0.4
1.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
-1.0
-0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
-55.2
-55.3
-55.2
-55.2
-55.2
-55.3
-55.3
-55.2
-55.2
-55.2
-54.9
-13.2
-13.8
-13.8
-47.6
-55.2
-55.5
-55.5
-55.0
-52.2
-55.3
-55.2
-55.3
-53.3
-53.3
-53.3
-53.3
-53.3
-53.3
-53.3
54.9
54.6
54.6
55.2
55.2
-53.3
-53.3
-53.9
-53.9
-53.9
-53.9
-53.9
-53.9
-53.9
-53.9
-54.5
-52.8
-52.7
-52.7
-52.7
-52.8
-52.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4.7
24.8
24.9
24.8
24.8
24.8
35.3
35.3
35.3
-28.4
-36.5
-29.0
36.1
36.1
36.1
-36.5
-55.2
-55.2
-55.2
-55.2
-55.2
-3.7
-3.7
-3.7
-3.7
-3.7
-3.8
55.3
55.3
55.3
55.3
48.2
-48.5
-48.5
48.2
4.8
3.6
1.3
1.3
3.6
2.5
2.5
0.1
0.1
0.1
0.8
AC55.0
AC81.9
55.3
34.8
12.5
12.5
12.5
12.3
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
0.8
0.8
55.3
1.1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
55.3
55.3
55.3
55.3
55.3
55.3
55.3
55.3
55.3
55.3
55.0
55.0
55.0
55.0
55.0
55.3
55.3
55.2
55.0
-1.0
-0.4
SPEAKER RELAY
RX-V550: Page 77
to FUNCTION (2)
H7
Page 84
to SUBTRANS
A4
RX-V550: Page 77
to FUNCTION (2)
H6
Page 83
to POWER (1)
F10
Page 83
to POWER (1)
E10
Page 83
to POWER (1)
E10
Page 83
to POWER (1)
K3
to Power Transformer
HTR-5750, RX-V450, HTR-5740,
DSP-AX450: Page 79
H8
HTR-5750, RX-V450, HTR-5740,
DSP-AX450: Page 79
H7
RX-V550/HTR-5750
U,C
R,T,A
B,G,L,K,E
s1
C130, 131, 134-137
X
0.01
0.01
UA65410
UA65410
s2
TE120, 121
WC63190
WC63190
WC63180
s4
C138-141
X
4700P
4700P
UA65347
UA65347
s6
SW1
SS029-P022MJB
SS029-P022MJB
SS029-P022MJB
V362430
V362430
V362430
s7
C122, 123
10000/71
10000/71
10000/71
WC91080
WC91080
WA74430
RX-V450/HTR-5740/DSP-AX450
J
U,C
R,T,A
B,G,L,K,E
s1
C130, 131, 134-137
X
X
0.01
0.01
UA65410
UA65410
s2
TE120, 121
WC63190
WC63190
WC63190
WC63180
s4
C138-141
X
X
4700P
4700P
UA65347
UA65347
s6
SW1
X
SS029-P022MJB
SS029-P022MJB
SS029-P022MJB
V362430
V362430
V362430
s7
C122, 123
8200/71
8200/71
8200/71
8200/71
WB12720
WC91090
WC91090
WB12720
x: NOT USED
O: USED / APPLICABLE