Yamaha DSP-AX757 Manuale di servizio - Pagina 39

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Yamaha DSP-AX757 Manuale di servizio
A
B
C
RX-V757/DSP-AX757/DSP-AX757SE
RX-V657/HTR-5860
SCHEMATIC DIAGRAM (DSP 2/2)
1
Page 87
D-8
TO FUNCTION (1) W303
2
3
3.4
2.8
3.4
4
SELECTOR
DIGITAL IN
FL/FR
3.5
3.5
0.1
0
1.4
1.8
5
1.4
1.8
0
1.8
0
1.8
1.8
0
1.8
6
7
A/D IN
SBL/SBR
8
9
10
86
D
E
F
RX-V757/DSP-AX757/DSP-AX757SE/RX-V657 Page 88
TO OPERATION (5) W807
Page 87
E-2
HTR-5860 Page 89
F-8
TO OPERATION (4) W807
TO FUNCTION (1) CB305
ANALOG IN
0
0
0
0
0
4.3
0
DAC
1.8
1.8
1.4
5.0
1.8
0
3.5
2.4
4.9
2.3
3.5
2.4
2.4
0.4
REGULATOR
9.2
5.1
9.2
5.1
0
5.1
0
5.0
5.0
2.5
2.5
0
2.5
2.5
0
0
ANALOG IN
0
0
0
CODEC
2.5
0
2.5
PL/PR
1.8
1.8
0
0
C/SW
0
1.4
PL
2.5
0.8
2.5
SW
0.1
2.5
1.3
SL/SR
C
2.5
0
2.5
SL
0
2.5
0
0
SBL
0
0
0
0
0
0
0
0
0
0
G
H
I
F-8
1.7
0
0
MIC IN
SW
-11.9
-11.9
11.9
0
0.7
11.8
0
11.7
0.1
0
L
11.5
1.4
0.1
1.4
1.4
1.4
0
-12.0
ANALOG IN
11.9
0
0
0
0
-12.0
PL
C
11.9
0
SW
0
-12.0
SL
11.9
0
0
-12.0
SBL
11.9
0
0
-12.0
J
K
L
IC17–21 : NE5532DR
Dual OP-Amp
OUT
1
1
–IN
1
2
+IN
1
3
–V
4
CC
IC14 : SN74LV157APWR
2 to 1 Data Selectors
INPUTS
V
CC
STROBE
4A
16
15
14
G
4A
S
1A
1B
1
2
3
SELECT
1A
1B
INPUTS
IC15 : AK4382AVT
D/A Convertter
CSN
6
DE-EMPHASIS
µP
CONTROL
CCLK
7
INTERFACE
CDTI
8
LRCK
4
INTERPOLATOR
AUDIO
BICK
2
DATA
INTERFACE
SDTI
3
INTERPOLATOR
IC16 : AK4628VQ
192kHz 24bit 8ch CODEC
SDOS
1
I2C
2
SMUTE
3
BICK
4
LRCK
5
SDTI1
6
SDTI2
7
SDTI3
8
SDTO
9
D AUX
10
DFS
11
L IN
ADC
HPF
R IN
ADC
HPF
L OUT1
LPF
DAC
DATT
R OUT1
LPF
DAC
DATT
L OUT2
LPF
DAC
DATT
R OUT2
LPF
DAC
DATT
L OUT3
LPF
DAC
DATT
R OUT3
LPF
DAC
DATT
L OUT4
LPF
DAC
DATT
R OUT4
LPF
DAC
DATT
M
N
O
+V
8
CC
7
OUT
2
+
–
+
–
6
–IN
2
5
+IN
2
OUTPUT
INPUTS
OUTPUT
4B
4Y
3A
3B
3Y
13
12
11
10
9
4B
4Y
3A
3B
INPUTS
3Y
OUTPUT
SELECT STROBE
Y
G
1Y
2A
2B
2Y
X
H
L
L
L
A
H
L
B
4
5
6
7
8
1Y
2A
2B
2Y
GND
OUTPUT
INPUTS
OUTPUT
MCLK
1
14
VDD
CLOCK
VSS
DIVIDER
13
16
DZFL
15
DZFR
∆ ∑
8X
12
AOUTL+
SCF
MODULATOR
11
AOUTL–
8X
∆ ∑
10
AOUTR+
SCF
MODULATOR
AOUTR–
9
5
PDN
33
DZF2/OVF
32
RIN
31
LIN
30
NC
TST2
29
28
ROUT1
27
LOUT1
26
ROUT2
25
LOUT2
ROUT3
24
23
LOUT3
AUDIO
I/F
MCLK
MCLK
LRCK
LRCK
BICK
BICK
DAUX
FORMAT
CONVERTER
SDOUT
SDOS
SDTO
SDIN1
SDTI1
SDIN2
SDTI2
SDIN3
SDTI3
SDIN4
SDTI4
* All voltages are measured with a 10M Ω /V DC electronic volt meter.
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to
those originally installed.
* Schematic diagram is subject to change without notice.
* 電圧は、内部抵抗10MΩの電圧計で測定したものです。
* Z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、
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。
* 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ございます。