Yamaha RX-V757 Service Manual page 39

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。