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A
B
C
DSP 3/3
1
2
3
4
FRONT L
5
C/SW
SL/SR
DIGITAL IN
6
3.3
3.3
0.1
0
0.1
1.7
1.7
1.7
0
1.7
0
1.7
1.7
0
1.7
SELECTOR
FL/FR
7
8
9
10
D
E
F
Page 87
J8
Page 84
D2
to MAIN (2)_W1004
to FUNCTION (1)_CB202
8.8
5.1
8.8
5.1
0
ANALOG IN
1.7
1.7
1.3
0
11.8
0
0
3.3
3.3
0
0
0
1.7
0
3.3
5.0
3.3
2.5
0
2.5
0
2.5
0
2.5
0
0
0
-11.9
2ch DAC
11.8
0
0
0
5.0
2.5
3.3
2.5
3.1
2.6
1.7
0
0
0
0
1.7
5.1
-11.9
1.7
2.5
1.7
2.5
5.0
2.5
0
2.5
1.7
0
1.7
5.1
0.5
2.5
0
11.8
0
0
0
8ch DAC
0
0
0
0
0
0
0
-11.9
SBL/SBR
11.8
0
0
0
0
0
0
-11.9
11.8
0
0
0
0
0
0
-11.9
2ch DAC
IC51 : NJM78M05DL1A
Voltage regulator
INPUT
OUTPUT
COMMON
G
H
I
DSP
DSP-AX559
RX-V559
FRONT L
CENTER
SUB
WOOFER
SURROUND L
SURROUND
BACK L
IC68 : PCM1680DBQR
Audio digital-to-analog converter
BCK
LRCK
DATA1 (1, 2)
DATA2 (3, 4)
DATA3 (5, 6)
DATA4 (7, 8)
MS/ADR
MC/SCL
MD/SDA
Function
Control
MSEL
IC67 : SN74LV157APWR
Quadruple 2-line to 1-line data selectors/multiplexers
Syst em Clock
SCK
Manager
1A
2
4
1Y
1B
3
A/B
V
2A
5
1
16
CC
1A
2
15
G
7
2Y
2B
1B
3
14
4A
6
1Y
4
13
4B
3A
2A
5
12
4Y
11
2B
6
11
3A
9
3Y
3B
10
2Y
7
10
3B
GND
8
9
3Y
4A
14
12
4Y
4B
13
G
15
A/B
1
J
K
HTR-5950
IC71-74, 75, 76 : NJM4565M
Dual operatinonal amplifier
–INPUT
+INPUT
IC70 : PCM1803DBR
Stereo A/D converter
V
IN
L
V
1
REF
V
2
REF
V
R
IN
IC69 : PCM1781DBQR
Audio digital-to-analog converter
Outp ut A mp and
V
1
BCK
OUT
DAC
Low-P ass Filter
LRCK
Outp ut A mp and
V
2
DATA
OUT
DAC
Low-P ass Filter
Serial
Input
I/F
Outp ut A mp and
V
3
OUT
DAC
Low-P ass Filter
(FMT)
8
Outp ut A mp and
V
COM
DAC
Oversampling
Enhanced
Low-P ass Filter
V
4
Digital Filter
OUT
MS (DEMP0)
Multilevel
With
DeltaœSigma
Outp ut A mp and
Function
Modulator
MC (DEMP1)
DAC
Controller
Low-P ass Filter
V
5
OUT
MD (MUTE)
Outp ut A mp and
DAC
Low-P ass Filter
V
6
OUT
(TEST)
Outp ut A mp and
I/F
DAC
Low-P ass Filter
V
7
OUT
SCK
Outp ut A mp and
DAC
Low-P ass Filter
V
8
OUT
System Clock
Zero Detect
Power Supply
(1) Open-drainoutputforthePCM1782
NOTE: Signal names in parentheses ( ) areforthe PCM1781.
# All voltages are measured with a 10MΩ/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.
L
M
N
RX-V559/HTR-5950/DSP-AX559
LC89057W-VF4A-E
LC89057W-VF4AD-E
V+
8
2, 6
OUTPUT
1, 7
3, 5
V–
4
Delta-Sigma
BCK
Modulator
LRCK
DOUT
Serial
x1/64, x1/128
Interface
Decimation
Reference
Filter
With
Mode/
High-Pass Filter
Format
FMT0
Control
FMT1
Delta-Sigma
MODE0
Modulator
MODE1
BYPAS
TEST
OSR
Clock and Timing Control
PDWN
Power Supply
SCKI
V
AGND
DGND
V
CC
DD
Audio
Serial
V
L
Output Amp
OUT
Port
DAC
and
Low-Pass Filter
4 /8
Oversampling
Enhanced
Digital
Multilevel
Filter
V
COM
Delta-Sigma
With
Modulator
Function
Serial
Control
Control
Port
Output Amp
DAC
and
Low-Pass Filter
V
R
OUT
System Clock
System
Clock
Zero Detect
Power Supply
Manager
83
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