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-V671/HTR-6064/RX-A710
136
OPERATION 2/2
★
All voltages are measured with a 10MΩ/V DC electronic voltmeter.
★
Components having special characteristics are marked
⚠
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
IC491
W4901
CB491
CB494
CB463
CB461
CB460
CB459
JK451
IC458
IC458
IC459
IC455
CB451
CB452
CB454
CB455
IC451
IC451
IC452
IC452
IC453
IC453
IC454
IC454
IC457
IC456
CB458
CB456
W4301
FRONT L
SURROUND
BACK L
SUB
WOOFER
CENTER
SURROUND L
ANALOG IN
DIGITAL IN
SURROUND
BACK L
IC457
: KIA7805API
Voltage regulator
R1
R2
R3
R4
R5
R6
R7
R8
Z1
Q12
Q13
Q18
Q17
Q14
Q19
Q10
Q8
Q16
INPUT
OUTPUT
COMMON (GND)
Q15
Q11-1
Q11
Q2
Q3
Q4
Q5
Q9
Q7
Q1
Q6
R12
R19
R10
R9
R15
R14
R16
R21
R20
R22
R23
R17
R13
R11
R18
C1
1
3
2
IC455, 459
: NJM2505A
Single isolation amplifier
VGND
5
-
+
Vin
4
V+
3
GND
2
Vout
1
IC458
: NJM4565M (TE1)
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
IC456
: PCM1681PWPR
Audio digital-to-analog converter
Output Amp and
Low-Pass Filter
System Clock
Manager
Enhanced
Multilevel
Delta-Sigma
Modulator
DAC
Serial
Input
I/F
Function
Control
I/F
System Clock
Zero Detect
Power Supply
DAC
Output Amp and
DAC
DAC
Output Amp and
DAC
Output Amp and
DAC
Output Amp and
V
OUT
1
V
OUT
2
V
OUT
3
V
COM
V
OUT
4
V
OUT
ZR2
ZR1/ZR1/FMT0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
MS/ADR/FMT1
MC/SCL/DEMP
MD/SDA/MUTE
SCK
DATA1
BCK
LRCK
DGND
DATA2
DATA3
DATA4
MSEL
VDD
AGND2
AGND1
VOUT1
VOUT2
VOUT3
VOUT4
VOUT5
VOUT6
VOUT7
VOUT8
VCC2
VCC1
VCOM
5
V
OUT
6
Low-Pass Filter
Low-Pass Filter
Low-Pass Filter
Low-Pass Filter
Low-Pass Filter
Output Amp and
AGND2
V
CC
2
AGND1
V
CC
1
DGND
V
DD
ZR1/ZR1/FMT0
ZR2
BCK
LRCK
DATA1 (1, 2)
DATA2 (3, 4)
DATA3 (5, 6)
DATA4 (7, 8)
MS/ADR/FMT1
MC/SCL/DEMP
MD/SDA/MUTE
MSEL
SCK
8 x
Oversampling
Digital Filter
With
Function
Controller
DAC
Output Amp and
DAC
Output Amp and
V
OUT
7
V
OUT
8
Low-Pass Filter
Low-Pass Filter
OUT A
-IN A
+IN A
+IN B
-VEE
OUT B
-IN B
+ Vcc
1
2
3
4
5
7
6
8
IC451-454
: LM833MX
Operational amplifier
A
B
OPERATION (9)
OPERATION (8)
OPERATION (2)
OPERATION (10)
R, T, A, B, G, F, L, S models
U, C models
ZONE 2/
PRESENCE
L
R
SIRIUS
to DIGITAL (1)_CB83
Page 131
J9
to DIGITAL (1)_CB83
Page 131
J9
to DIGITAL (1)_CB943
Page 134
M2
to DIGITAL (1)_CB945
Page 134
M6
to VIDEO (1)_CB347
Page 142
D3
to DIGITAL (1)_CB944
Page 134
M4
to MAIN (1)_CB152
Page 140
A3
to MAIN (1)_CB153
Page 140
C5
to MAIN (1)_CB154
Page 140
C6
to MAIN (1)_CB155
Page 140
C7
to VIDEO (1)_CB302
Page 141
K6
to OPERATION (1)_CB402
Page 135
J9
to VIDEO (10)_CB383
(R, T, A, B, G, F, L, S models)
Page 143
E4
DRAFT
