A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
RX-V459/HTR-5940/HTR-5935/DSP-AX459
71
★ 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.
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
00
00
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
5.02.5 0 0 2.5
5.02.5
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
V
CC
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.
Pow er Sup ply
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)
Output Amp
and
Low-Pass Filter
MD (MUTE)
DAC
V
COM
System Clock
AGND
V
CC
ZEROR/ZEROA
(1)
(ZEROA)
ZEROL/NA
(1)
Output Amp
and
Low-Pass Filter
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
AGNDV
CC
V
DD
DGND
Clock and Timing Control
Serial
Interface
Mode/
Format
Control
LRCK
DOUT
FMT0
FMT1
MODE0
MODE1
BYPAS
OSR
PDWN
SCKI
TEST
Output A mp and
Low-Pass F ilter
System C lock
Manager
Enhanced
Multilevel
DeltaœSigma
Modulator
DAC
Serial
Input
I/F
Function
Control
I/F
System Clock
Zero Detect Po wer Supply
DAC
Output A mp and
DAC
DAC
Output A mp and
DAC
Output A mp and
DAC
Output A mp and
V
OUT
1
V
OUT
2
V
OUT
3
V
COM
V
OUT
4
V
OUT
5
V
OUT
6
Low-Pass F ilter
Low-Pass F ilter
Low-Pass F ilter
Low-Pass F ilter
Low-Pass F ilter
Output A mp and
AGND2
V
CC
2
AGND1
V
CC
1
DGND
V
DD
ZERO1
ZERO2
BCK
LRCK
DATA 1 (1, 2 )
DATA 2 (3, 4 )
DATA 3 (5, 6 )
DATA 4 (7, 8 )
MS/ADR
MC/SCL
MD/SDA
MSEL
SCK
8
Oversampling
Digital Filter
With
Function
Controller
DAC
Output A mp and
DAC
Output A mp and
V
OUT
7
V
OUT
8
Low-Pass F ilter
Low-Pass F ilter
LC89057W-VF4A-E
LC89057W-VF4AD-E
To Next Page
Loading...
Need help?
General