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-V459/HTR-5940/HTR-5935/DSP-AX459
71
★
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.
DSP 3/3
ANALOG IN
FRONT L
DIGITAL IN
C/SW
SBL/SBR
FRONT L
SL/SR
FL/FR
SURROUND
BACK L
SURROUND L
SUB
WOOFER
CENTER
1.7
1.3
0
3.3
1.7
3.3
3.3
0
0
0
1.7
0
0
3.3
0
5.0
2.5
2.5
2.5
2.5
5.0
3.3
3.1
1.7
1.7
1.7
1.7
0
5.0
1.7
2.5
2.5
2.6
0
5.1
2.5
2.5
2.5
2.5
0
1.7
0
0.5
5.1
2.5
8.8
5.1
8.8
0
5.1
0
0
0
0
3.3
0.1
0.1
0
1.7
0
0
3.3
0
1.7
1.7
1.7
1.7
1.7
1.7
5.0
2.5
0
0
2
.5
5.0
2.5
2.5
0
11.8
0
0
0
-11.9
0
0
0
11.8
0
0
0
-11.9
0
0
0
11.8
0
0
0
-11.9
0
0
0
11.8
0
0
0
-11.9
0
0
0
11.8
0
0
0
-11.9
0
0
to MAIN (2)_W1004
Page 74
J7
to FUNCTION (1)_CB202
Page 72
D2
DSP
SELECTOR
8ch DAC
2ch DAC
IC71-74, 75, 76
: NJM4565M
Dual operational amplifier
8
2, 6
3, 5
1, 7
4
V+
–INPUT
+INPUT
V–
OUTPUT
IC51
: NJM78M05DL1A
Voltage regulator
INPUT
OUTPUT
COMMON
2
3
5
6
11
10
14
13
15
1
G
A/B
4B
4A
3B
3A
2B
2A
1B
1A
4
7
9
12
1Y
2Y
3Y
4Y
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A/B
1A
1B
1Y
2A
2B
2Y
GND
VCC
G
4A
4B
4Y
3A
3B
3Y
IC67
: SN74LV157APWR
Quadruple 2-line to 1-line data selectors/multiplexers
IC68
: PCM1680DBQR
Audio digital-to-analog converter
IC70
: PCM1803DBR
Stereo A/D converter
IC69
: PCM1781DBQR
Audio digital-to-analog converter
(1) Open-drainoutputforthePCM1782
NOTE: Signal names in parentheses ( ) areforthe PCM1781.
Power Supply
Enhanced
Multilevel
Delta-Sigma
Modulator
V
OUT
L
4 /8
Oversampling
Digital
Filter
With
Function
Control
Audio
Serial
Port
BCK
LRCK
DATA
Serial
Control
Port
Zero Detect
(TEST)
SCK
System
Clock
Manager
MC (DEMP1)
MS (DEMP0)
Outp ut Amp
and
Lo w-Pass Fil ter
MD (MUTE)
DAC
V
COM
System Clock
AG
N
D
V
CC
ZER
O
R/ZER
O
A
(1)
(ZER
O
A
)
ZER
O
L/NA
(1)
Outp ut Amp
and
Lo w-Pass Fil ter
DAC
V
OUT
R
(FMT)
BCK
V
IN
L
Reference
V
REF
1
V
REF
2
V
IN
R
Delta-Sigma
Modulator
Delta-Sigma
Modulator
x1/64, x1/128
Decimation
Filter
With
High-Pass Filter
Power Supply
AGND
V
CC
V
DD
DGND
Clock and Timing Control
Serial
Interface
Mode/
Format
Control
LRCK
DOUT
FMT0
FMT1
MODE0
MODE1
BYPAS
OSR
PDWN
SCKI
TEST
Outp ut A mp and
Low-P ass F ilter
Syst em Clock
Manager
Enhanced
Multilevel
DeltaœSigma
Modulator
DAC
Serial
Input
I/F
Function
Control
I/F
System Clock
Zero Detect
Power Supp ly
DAC
Outp ut A mp and
DAC
DAC
Outp ut A mp and
DAC
Outp ut A mp and
DAC
Outp ut A mp and
V
OUT
1
V
OUT
2
V
OUT
3
V
COM
V
OUT
4
V
OUT
5
V
OUT
6
Low-P ass F ilter
Low-P ass F ilter
Low-P ass F ilter
Low-P ass F ilter
Low-P ass F ilter
Outp ut A mp and
A
G
ND2
V
CC
2
A
G
ND1
V
CC
1
DGND
V
DD
ZER
O
1
ZER
O
2
BCK
LRCK
DATA1 (1, 2)
DATA2 (3, 4)
DATA3 (5, 6)
DATA4 (7, 8)
MS/ADR
MC/SCL
MD/SDA
MSEL
SCK
8
Oversampling
Digital Filter
With
Function
Controller
DAC
Outp ut A mp and
DAC
Outp ut A mp and
V
OUT
7
V
OUT
8
Low-P ass F ilter
Low-P ass F ilter
LC89057W-VF4A-E
LC89057W-VF4AD-E
