Yamaha RX-V467 Service Manual page 104

A B C
RX-V467/HTR-4063
DIGITAL 4/4
1
2
3
4
5
To DIGITAL 3/4
6
DIGITAL IN
FL/FR
C/SW
SL/SR
0
1.3
1.3
1.3
0
0
7
0
8
9
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced ●
with parts having specifications equal to those originally installed. パーツリストに記載されている部品を使用してください。
★ Schematic diagram is subject to change without notice.
● 本回路図は標準回路図です。改良のため予告なく変更することがあります。
104
D E F
1.7 1.7
1.3 0
11.8 5.0 0 0
3.3 3.3
11.8
1.7 0
IC63
5.0 3.3
5.0
4.7
0 3.3
0 2.5
0 2.5
0 2.5
ADC
3.3 2.5
3.3 2.5
2.5
0.2
1.7 0
1.3 5.0
2.5
1.7
1.7 2.5
5.0 2.5
0 2.5
0
1.3
1.3 5.0
3.3 0 2.5
0 0 2.5
1.7
1.7
DAC
1.7
0 0
1.7
1.7
1.3 0 0
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
G H I
CB61
5.0
0
0
DIGITAL IN
4.0
0.4
0
0.4
Page 106
4.0
0 to OPERATION (2)_CB452
12.1
-12.1
0
0
0
0
ANALOG IN
CB62
FRONT L
0
0
CENTER
0
0
SUBWOOFER
2.5
SURROUND L
2.5
2.5
0
2.5 Page 106
2.5
to OPERATION (2)_CB455
2.5
0
2.5
2.5
0
0
0
0
CB63
0
3.4
3.4
5.0
0
5.0
3.4
1.1
0
Page 106
0
to OPERATION (2)_CB458
0
0
0
-11.9
-11.9
-11.9
3.0
-0.4
-0.4
0 5.0
3.3 5.0
IC67
0 0
IC67
3.3 5.0
IC67
0 0
IC67
IC68
J K L
E3
G3
IC62: TC74VHC157FT IC63: NJM78M05DL1A (TE1)
Quad 2-channel multiplexer Voltage regulator
SELECT 1 16 Vcc
1A 2 A S G 15 ST
1B 3 B A 14 4A
1Y 4 Y B 13 4B
2A 5 A Y 12 4Y
2B 6 11 3A
B A
2Y 7 10 3B
Y Y B
GND 8 9 3Y
I3
IC65: PCM1680DBQR
Audio digital-to-analog converter
BCK
LRCK
Serial
DATA1 (1, 2) Input
I/F
DATA2 (3, 4)
DATA3 (5, 6)
DATA4 (7, 8)
8 x
Oversampling Enhanced
Digital Filter Multilevel
With Delta-Sigma
Function Modulator
Controller
MS/ADR
MC/SCL
MD/SDA
Function
Control
I/F
MSEL
System Clock
System Clock
SCK Zero Detect
Manager
IC66: PCM1803DBR
Stereo A/D converter
Delta-Sigma
V L
IN
Modulator
x 1/64, x 1/128
V REF 1 Decimation
Reference Filter
V REF 2
High-Pass Filter
Delta-Sigma
V R
IN
Modulator
Clock and Timing Control
Power Supply
V AGND DGND V
CC DD
V
IN
V
IN
V
REF
V
REF
V
CC
AGND
PDWN
BYPAS
TEST
LRCK
M N
INPUT
OUTPUT
GND
Output Amp and V 1
OUT
DAC
Low-Pass Filter
Output Amp and V 2
OUT
DAC
Low-Pass Filter
Output Amp and V 3
OUT
DAC
Low-Pass Filter
V
Output Amp and COM
DAC
Low-Pass Filter
V 4
OUT
Output Amp and
DAC
Low-Pass Filter V 5
OUT
Output Amp and
DAC
Low-Pass Filter V 6
OUT
Output Amp and
DAC
Low-Pass Filter V 7
OUT
Output Amp and
DAC
Low-Pass Filter V 8
OUT
Power Supply
IC67: TC74VHCT08AFT
Quad 2-input AND gate
1A 1 14 Vcc
BCK
1B 2 13 4B
LRCK
1Y 3 12 4A
DOUT
Serial
2A 4 11 4Y
Interface
2B 5 10 3B
2Y 3A
With Mode/ 6 9
Format FMT0
GND 7 8 3Y
Control FMT1
MODE0
MODE1
BYPAS
TEST
OSR
PDWN
SCKI
L 1 20 MODE1
R 2 19 MODE0
1 3 18 FMT1
2 4 17 FMT0
5 16 OSR
6 15 SCKI
7 14 V DD
8 13 DGND
9 12 DOUT
10 11 BCK