RX-V740/RX-V740RDS/DSP-AX740
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640/DSP-AX640SE
A
1
2
3
4
5
6
7
8
9
B
C
D
E
F
G
H
I
J
K
L
84
SCHEMATIC DIAGRAM (FUNCTION 1/2)
★
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.
ELECTRIC
VOLUME
MUTE
MUTE
MUTE
MUTE
SHIFT
REGISTER
INPUT/
REC OUT
SELECTOR
Page 81
to DSP
F1
Page 85
to FUNCTION (4)
E4
Page 85
to FUNCTION (4)
D4
Page 88
to OPERATION (6)
A6
P
age 92
to PO
WER (2)
A5
Page 88
to OPERATION (4)
C3
F-SW1
F-SW1: INPUT FUNCTION 1
F-SW2: INPUT FUNCTION 2
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC301: BD3841FS
Function Switch
DGND
F-SW2
CL
DA
VEE
BIAS
VCC
RECA1
RECA2
RECB1
RECB2
RECC1
RECC2
OUT1
OUT2
INI1
INI2
INA1
INA2
INB1
INB2
INC1
INC2
IND1
IND2
INE1
INE2
INF1
INF2
ING1
ING2
INH1
INH2
LOGIC
+
–
+
–
+
–
+
–
IC304, 305, 319, 320: 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
IC312, 313, 315: NJM2068MD
IC314, 316~318:
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
IC302, 303: TC74HC4052AF
Analog Multiplexer/Demultiplexer
16
VCC
6
INH
10
A
9
B
8
GND
7
VEE
12
0X
14
1X
15
2X
11
3X
1
0Y
5
1Y
2
2Y
4
3Y
LEVEL
CONVERTER
BINARY TO 1-OF-4
DECODER WITH INHIBIT
SW
SW
SW
SW
SW
SW
SW
SW
13
X-COM
3
Y-COM
INHIBIT
0
0
0
0
1
B
0
0
1
1
X
A
0
1
0
1
X
0x, 0y
1x, 1y
2x, 2y
3x, 3y
NONE
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
IC306~309: 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
IC310: TC74HC164AF
8-Bit Shift Register
1
SERIAL INPUT A
8
CK
2
SERIAL INPUT B
3
QA
9
CLR
D
R
Q
CK
Q
4
QB
D
R
Q
CK
Q
5
QC
D
R
Q
CK
Q
6
QD
D
R
Q
CK
Q
10
QE
D
R
Q
CK
Q
11
QF
D
R
Q
CK
Q
12
QG
D
R
Q
CK
Q
13
QH
D
R
Q
CK
Q
x: NOT USED
O: USED / APPLICABLE
1
8
3
2
7
4
6
5
1
8
3
2
7
4
6
5
1
8
3
2
7
4
6
5
8
1
3
2
8
1
3
2
4
7
6
5
4
7
6
5
8
7
5
6
4
1
2
3
7
1
8
4
6
5
3
2
RX-V640/RX-V640RDS/HTR-5660/DSP-AX640
CENTER
INPUT L
INPUT L
REAR L
MAIN L
0
0
0
0
5.6
0
-5.6
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
5.6
0
0
-5.6
5.6
-5.6
0
5.6
0
0
5.6
-5.6
0
5.6
5.6
0
5.6
5.6
5.6
-5.6
0
5.6
0
-5.6
0
5.6
5.6
0
11.8
0
0
0
-12.0
0
0
0
0
0
0
0
0
0
11.8
0
0
0
-12.0
0
0
0
0
0
0
0
0
0
11.8
0
0
0
-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
0
0
0
0
2.6
2.6
5.1
0
0
2.4
0
4.9
2.6
2.6
2.6
2.5
2.6
0
4.9
0
0
4.2
0
0
2.6
2.6
5.1
0
0
2.4
0
4.9
2.6
2.5
2.2
2.5
2.6
0
4.9
0
0
4.7
0
0
2.6
2.6
5.1
0
0
2.4
0
4.9
2.6
2.6
2.6
2.6
2.6
0
4.9
0
0
4.9
0
0
2.6
2.6
5.1
0
0
2.4
0
4.9
11.9
5.7
5.1
5.1
5.7
5.7
0
2.6
2.6
2.6
2.6
2.6
0
4.9
0
0
4.9
0
0
11.8
-12.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11.8
0
0
0
11.8
0
0
0
-12.0
0
0
0
-12.0
0
0
0
11.8
0
0
0
-12.0
0
0
0
0
0
0
0
0
5.6
0
5.6 5.6
0
0
-5.6
5.6
0
5.6 5.6
0
0
-5.6
5.6
0
0
-5.6
0
0
0
5.6
5.6
5.6
0
5.6
5.6
0
5.6
5.6
5.6
5.6
0
-11.9
0
0
-11.9
-11.9
0
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
-11.9
0
0
0
-11.9
0
