Cyrus 8 DAC - Sub PCB schematic diagram; D;A Converter

/SUB_RESET
R707470R R708470R R711470R
C707
DNF
C708
DNF
C709
100nF
C710
100nF
C711
DNF
DGND
R703
10k
C702
47uF/16V
+3V3_DIR
SPDIF_CS
SPI_CLK
SPI_DATA_OUT
SPI_DATA_IN
DGND
C706
100nF
C705
100nF
+3V3_DIR
DGND
4 Wire Serial control mode
DGND
Data Format:
fs
24 Bit I2S
WCLK Left Low/ Right High
BCLK 64fs
SPDIF_OUT
R704
1M
C703
47uF/16V
Ref
Output
1
GND1
2
VCC
3
TORX701
GP1FAV31Rk0F
DGND
C715
100nF
+3V3_DIR
optical in1
R705
470R
R712
DNF
DGND
Ref
Output
1
GND1
2
VCC
3
TORX702
GP1FAV31Rk0F
DGND
C716
100nF
+3V3_DIR
optical in2
R706
470R
R713
DNF
DGND
optical in1 optical in2
R702
75R
R701
75R
C701
DNF
DGND DGND
DGND
USB_SPDIF
X701
24.576MHz
C713
10p
C714
10p
DGND
MCK LRCLK BCLK SDATA
CHASSIS1
SPDIF1 SPDIF2
SPDIF1 SPDIF2
1
2
SK701A
YkC21-3600N
3
4
SK701B
YkC21-3600N
SK701C
PHONODUAL_HOR_SCR
RX4
1
n.c.
2
RX5
3
TEST2
4
RX6
5
AGND
6
RX7
7
IIC
8
P/SN
9
XTL0
10
XTL1
11
GP0/VIN
12
TVdd
13
GP1/n.c.
14
GP2/TX0
15
GP3/TX1
16
GP4/BOUT
17
GP5/COUT
18
GP6/UOUT
19
GP7/VOUT
20
DVdd
21
DGND
22
MCKO1
23
LRCLK
24
SDTO
25
BCLK
26
MCKO2
27
DAUX
28
XTO
29
XTI
30
PDN
31
CDTO/CAD1
32
CDTI/SDA
33
CCLK/SCLK
34
CSN/CAD0
35
INT0
36
INT1
37
AVdd
38
R
39
VCOM
40
AGND
41
RX0
42
n.c.
43
RX1
44
TEST1
45
RX2
46
AGND
47
RX3
48
IC701
AK4118A or AK4118E
C704
100nF
RP702
100R * 4
RP701
100R * 4
C717
47uF/16V
+3V3_DIR
DGND
Input 7
Input 8
Input 9
Input 10
C712
470n
R714
75R
DGND
SPDIF6
C718
100nF
SPDIF6
Input 11
X7R
RP703
DNF
MCK LRCLK BCLK SDATA
Digital inputs
Fit RP701 only if IC701
is type AK4118E.
Fit RP703 only if IC701
is type AK4118A.
Cyrus 6 DAC, Cyrus 8 DAC amplifier service manual Issue 1© Cyrus Audio Ltd Jun 2014
Sub PCB schematic diagram
46