Yamaha RX-V461 Service Manual page 44

A B C
DSP 3/6
1
2
3
DIGITAL IN
4.9
IC305
0.6
IC305
2.4 2.8 2.8
DVD 0
(U, C, R, K, A, L models)
MD/CD-R (J model)
IC305 IC305 IC305 IC305
4
0.1
0
4.9
2.3
CD 0
(U, C, R, K, A, L models)
4.9
DVD (J model)
5
ANALOG L
to DSP 5/6
6
to DSP 6/6
to DSP 6/6
7
to DSP 6/6
to DSP 4/6
8
9
10
D E F
J model
MD/CD-R
3.3
CODEC with DIR
4.9
0
2.5
2.5
2
0
1.6
0.1
1.7
1.7
1.3
1.7
1.7
0.1
U, C models
XM
to DSP 1/6
IC306
PROCESSOR
to DSP 1/6
to DSP 4/6
U, C models
G H I
DIGITAL IN
0
0.1
0.6
ANALOG L
0
4.9
4.9
2.5
2.5
2.5
IC301
2.5
2.5
2.5
FL
2.5
2.5
SL
SW
C
R, K, A, L, J models
3.3
0
MICRO-
1.7 0
0.1
3.3
to DSP 1/6
0
POINT 2 Pin 6 of IC301
J K L
IC305: SN74LVU04APWR
Hex inverters
A1 1 14 VCC
Y1 2 13 A6
A2 3 12 Y6
Y2 A5
4 11
A3 5 10 Y5
Y3 6 9 A4
to DSP 5/6
GND 7 8 Y4
to DSP 1/6
to DSP 2/6
to DSP 6/6
to DSP 2/6
to DSP 5/6
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# 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.
M N
RX-V461/HTR-6040/DSP-AX461
IC302, 307: SN74LV157APWR
Quadruple 2-line to 1-line data selectors/multiplexers
1A 2
1Y
4
1B 3
2A 5
7 2Y
2B
6
3A 11
3Y
9
3B 10
4A 14
12 4Y
4B
13
G 15
A/B
1
Pin numbers shown are for the D, DB, DGV, J, NS, PW, and W packages.
A/B V
1 16 CC
1A 2 15 G
1B 4A
3 14
1Y 4B
4 13
2A 5 12 4Y
2B 6 11 3A
2Y 7 10 3B
GND 8 9 3Y
IC301: AK4588VQ
2/8-channel audio CODEC with DIR
PVSS PVDD R
XTI XTO
RX0
X'tal
RX1 Clock
Oscillator
8 to 3
RX2 Recovery Clock
MCKO1
RX3 Generator
Input MCKO2
RX4
Selector
RX5
DEM
RX6
LRCK2
DAIF
RX7 Audio
BICK2
Decoder I/F
SDTO2
TX0
DAUX2
PDN
TX1
I2C
AVDD DIT
AVSS
CSN
DVDD
Error &
Q-subcode CCLK
DVSS AC-3/MPEG uP I/F
STAT US buffer CDTO
TVDD
Detect
Detect CDTI
VIN
INT0
B,C,U,
INT1
VOUT
LIN ADC HPF
Audio
I/F
ADC HPF
RIN
LPF DAC DATT
LOUT1
DEM
MCLK
MCLK
LRCK
DATT LRCK1
LPF DAC
ROUT1
DEM BICK BICK1
DAC DATT DAUX1
LPF
LOUT2
DEM
Format
LPF DAC DATT
ROUT2
Converter
DEM
DATT
LPF DAC SDOUT
LOUT3
DEM
LPF DAC DATT SDTO1
ROUT3
DEM SDIN1
SDTI1
SDIN2
SDTI2
SDIN3
LPF DAC DATT SDTI3
LOUT4
SDIN4
DEM SDTI4
LPF DAC DATT
ROUT4
DEM
60 TEST1
INT1 1
59 RX1
BOUT 2
3 58 NC
TVDD
57 RX0
DVDD 4
5 56 AVSS
DVSS
55 AVDD
XTO 6
7 54 VREFH
XTI
53 VCOM
TEST3 8
9 52 RIN
MCKO2
51 LIN
MCKO1 10
11 50 NC
COUT
49 ROUT1
UOUT 12
13 48 NC
VOUT
SDTO2 14 47 LOUT1
46 NC
BICK2 15
16 45 ROUT2
LRCK2
44 NC
SDTO1 17
18 43 LOUT2
BICK1
42 NC
LRCK1 19
20 41 ROUT3
CDTO
71