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CW
CX
X09-A/7
1
-E16
6/8
K
IC21 PIN VOLTAGE
MODELS
RXD-A5
RXD-501/551
RXD-A8
RXD-701/751
(X09-600X-XX) (C/8) : RXD-A5/RXD-501/RXD-501E/RXD-551E/RXD-501W/RXD-551W/RXD-551/RXD-571S
2
(X09-494X-XX) (C/8) : RXD-A8/RXD-701/RXD-701E/RXD-751E/RXD-701W/RXD-751W/RXD-751/RXD-771S
3
4
STK401-030K
STK407-710K
5
CN24
WH9
MUTE
1
ATT
2
S.W. IN
3
Lch IN
4
X09-A/7
A GND
5
-E6
6/8
6
Rch IN
6
H
CURRENT
7
)
7
(
PROTECTION
DC
8
)
8
(
PROTECTION
FAN
9
)
9
(
CONTROL
SP.RLY
10
)
10
(
H.P.
11
)
11
(
HP RELAY
12
)
12
7
(
CY
CZ
1
2
3
4
5
6
7
8
9-11
12-15
16
17
54.3V
0V
54.3V
0V
0V
0V
0V
-54.8V
-54.8V
0V
-53.0V
53.0V
64.3V
0V 29.6V
29.8V
22.4V
-22.8V
-30.8V
-64.3V
-30.6V
0V
-60.7V
60.5V
POWER IC
IC21
0V
0V
0V
0V
C511
10P
R545
56K
W27
R541
470
0V
0.8V
R501
R507
3.3K
2.2K
C501
+
R509
R505
2.2K
2.2K
Q501
Q505
506
2.2K
R510
Q502
2.2K
Q506
R502
R508
3.3K
2.2K
C502
+
R513
R519
C505
3.3K
2.2K
2.2u50
+
R521
2.2K
R515
2.2K
Q503
Q507
Q501-503
Q505-507
ATT
MUTE
DA
DB
18,19
20
21,22
23,24
25
26
MODELS
A
B
C
D
RXD-A5
0V
-51.8V
0V
N/C
N/C
N/C
26.0V
-27.0V 55.0V
-55.0V
RXD-501/551
RXD-A8
0V
-59.4V
0V
0V
-30.6V
0V
29.8V
-30.4V 64.3V
-64.3V
RXD-701/751
0V
W201
Q24
W47
A
C537
C538
D510
D509
10u100
10u100
+B
R554
+
+
10K
-B
R567
3.9K
C535
C536
Q504
10u100
10u100
+
+
+B
R531
0.1 2W
W104
R532
R542
0.1 2W
470
R551
0.1 2W
R535
R536
R555
4.7K
4.7K
4.7K
C513
C514
C515
4700P
4700P
4700P
0V
0V
0V
Q509
Q510
Q511
C80
0.01
12.1V
DC
DD
(X09- )(B/7) CN5 TERMINAL VOLTAGE
MODELS
1
2
3
4
5
6
7
8
9
10
11
12
13
RXD-A5
-27.0V
24.3V 26.0V
12.2V
10.5V
12.4V
0V
-54.0V 0V
AC5.0V
0V
RXD-501/551
RXD-A8
-30.4V
28.0V 29.8V
11.9V
11.8V
13.7V 0V
-63.2V 0V
AC5.4V
0V
RXD-701/751
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
E11
Q17
25.2V
R187
R51
R52
R587
R588
3.3
100K
100K
10K
10K
2W
+B
R188
3.3
2W
100 2W
+B
H.P.
RELAY
0V
A
B
Q514
+B
+B
+B
-B
D
-B
C
+B
R558 18K
L3
R583
4.7 1/4W
25.0V
L4
R584
4.7 1/4W
L5
R585
R561
10K
0.7V
R571
4.7K
C79
1000P
DE
DF
WH7
E10
1
2
3
4
5
R598
11.9V
CN6
4
H.P Lch
3
H.P Rch
K13
2
GND
1
H.P DET
0.8V
)
12
(
J4
SUPER WOOFER
PRE OUT
+B
J2
+
1 Lch
-
FRONT
SPEAKERS
(6-16
)
-
2 Rch
+
FRONT
S.P.
J2
RELAY
+
+B
1 Lch
K11
-
FRONT
SPEAKERS
(6-16
)
-
2 Rch
+
S.W.
SPEAKER
+
RELAY
R578
100 2W
3 Lch
+B
-
K12
SUB WOOFER
SPEAKERS
(12-16
)
0V
-
4 Rch
+
Q512
E14
WH10
1
2
3
4
5
6
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