A
B
C
D
E
F
G
H
I
J
K
L
RX-V730/RX-V730RDS/RX-V630/RX-V630RDS
HTR-5560/HTR-5560RDS/DSP-AX630/DSP-AX630SE
67
SCHEMATIC DIAGRAM (FUNCTION 1/2)
1
2
3
4
5
6
7
8
9
★
All voltages are measured with a 10M
Ω
/V DC electric 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.
x: NOT USED
O: USED / APPLICABLE
Point
1
emitter of Q443
and collector of Q447
POWER ON
(Connect the power cord)
POWER OFF
(Disconnect the power cord)
A Q443 E
B Q447 C
Point
2
Pin 13 of IC441
: except
DSP-AX630SE
RX-V730RDS: not used
DSP-AX630SE: 33K
other: 10K
IC302: LC78213
Analog Function Switch
1
2
3
4
5
6
7
8
9
10
11
30
29
28
27
26
25
24
23
22
21
20
19
16
12
18
17
14
15
13
LEVEL SHIFTER
LATCH
CONTR
OL
SHIFT REGISTER
ZZ
ZZ
ZZ
L1
L2
LCOM1
L3
L4
LCOM2
L5
LCOM3
L7
RES
S
V
DD
V
SS
V
EE
L6
LCOM4
R1
R2
RCOM1
R3
R4
R6
RCOM4
RCOM2
RCOM3
R7
D1
CL
CE
R5
IC303: LC78211
Analog Function Switch
1
2
3
4
5
6
7
8
9
10
11
30
29
28
27
26
25
24
23
22
21
20
19
16
12
18
17
14
15
13
LEVEL SHIFTER
LATCH
CONTR
OL
SHIFT REGISTER
ZZ
ZZ
ZZ
L1
L2
L3
L4
LCOM1
L5
L6
L7
L8
RES
S
VDD
VSS
VEE
LCOM2
LCOM3
R1
R2
R3
R4
RCOM1
RCOM2
RCOM3
R5
R7
R8
D1
CL
CE
R6
12
LIN2
9
LOUT
8
VREF
VREF
VREF
256
256
Reset
Vref
Generator
&
Reset
pulse
Generator
2
SDATAO
20
SDATAI
19
CSN
1
SCLK
16
TE
18
ZCEN
S/P
Register
Control
Register
L
Zero Cross
Detection
IC304~307: YAC520-EE2
Stereo Digital Volume Controller
11
LIN1
4
DVSS
3
DVDD
13
AVSS
6
AVDD
17
ICN
+
–
R
14
RIN2
7
ROUT
15
RIN1
+
–
16
IC308~309: TC74HC4053AF
Analog Multiplexer/Demultiplexer
16
VDD
6
INHIBIT
11
15
14
9
A
C
B
8
VSS
7
VEE
12
0X
13
1X
2
0Y
1
1Y
5
0Z
3
1Z
LEVEL
CONVERTER
10
BINARY TO 1-OF-8
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
4
Z-COM
X-COM
Y-COM
INPUT STATES
INHIBIT
0
0
0
0
0
0
0
0
1
"ON" CHANNNEL (S)
0X, 0Y, 0Z
1X, 0Y, 0Z
0X, 1Y, 0Z
1X, 1Y, 0Z
0X, 0Y, 1Z
1X, 0Y, 1Z
0X, 1Y, 1Z
1X, 1Y, 1Z
NONE
C
0
0
0
0
1
1
1
1
X
B
0
0
1
1
0
0
1
1
X
A
0
1
0
1
0
1
0
1
X
IC311~318:
µ
PC4570G2
Dual OP-Amp
–
+
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4
5
+IN
1
–IN
2
+IN
2
–
+
6
7
8
IC442: NJM78L05A-T3
Voltage Regulator
INPUT
OUTPUT
GND
DSP-AX630SE only
Page 71
to DSP
F1
RX-V730/RX-V730RDS: Page 68
D8
RX-V630/RX-V630RDS/HTR-5560/HTR-5560RDS/DSP-AX630/DSP-AX630SE: Page 69
E8
RX-V730/RX-V730RDS: Page 68
to FUNCTION (4)
to FUNCTION (4)
E1
RX-V630/RX-V630RDS/HTR-5560/
HTR-5560RDS/DSP-AX630/DSP-AX630SE: Page 69
E1
RX-V730/RX-V730RDS: Page 68
F1
RX-V630/RX-V630RDS/HTR-5560/
HTR-5560RDS/DSP-AX630: Page 69
G1
to FUNCTION (6)
Page 70
to OPE (5)
A6
Page 70
to OPE (1)
G8
Page 70
to OPE (1)
F8
Page 70
to OPE (4)
C3
Page 72
to MAIN (3)
A4
INPUT
SELECTOR
ELECTRIC
VOLUME
MUTE
CONTROL
MICRO COMPUTER
MUTE
MAIN L
REAR L
REAR CENTER
CENTER
L
0
0
0
0
0
0
0
0
0
0
0
0
-11.9
0
12.1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
-11.8
-11.8
0
12.1
12.1
12.1
-11.7
12.0
0
0
0
-11.7
12.0
0
-11.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.1
5.1
5.1
5.1
5.1
5.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
4.9
4.9
4.9
4.9
0
0
0
0
2.6
2.6
2.6
5.1
5.1
5.1
5.7
5.7
12.0
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
0
0
0
0
0
0
0
0
0
5.0
5.0
5.0
5.7
0.7
0.7
6.8
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
0
0
0
0
0
0
0
0
4.9
4.9
4.9
4.9
4.9
4.9
0.1
4.8
0.2
3.4
4.9
4.7
2.4
2.2
0.3
4.8
4.8
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
5.0
4.9
4.9
4.9
4.9
0
0.1
0.1
0.1
0
0
0
0
4.9
4.9
4.9
4.6
4.6
4.9
4.9
4.9
4.9
4.9
1.0
1.9
1.9
0.6
0
0
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.9
4.8
4.9
0.5
0
0
5.0
5.0
5.7
4.9
4.7
0
7.3
12.8
12.8
12.8
12.1
4.9
4.9
4.9
-11.7
-11.7
-11.7
0
0
0
0
0
0
0
0
-4.8
0
0
-4.8
4.9
4.9
0
0
0
0
0
12.0
12.0
12.0
0
0
-11.7
-11.7
-11.7
-11.7
-11.7
-11.7
-11.7
-11.7
-11.7
0
0
0
0
0
0
0
0
12.0
0
0
-11.7
0
0
2.6
2.6
2.6
2.6
4.9
4.9
4.9
4.9
12.0
0
0
0
0
0
2
1
A
B
M 3 0 6 2 4 F G A - 3 9 2 F P