Cyrus 8 DAC - Sub PCB schematic diagram; Digital inputs

PGND
1
Vccp
2
HOST
3
FUNC3
4
FUNC0
5
HID0/MS
6
HID1/MC
7
HID2/MD
8
FSEL
9
TEST
10
SSPND
11
XTI
12
XTO
13
CK
14
DT
15
PSEL
16
DOUT
17
FUNC2
18
FUNC1
19
DGND
20
Vdd
21
D-
22
D+
23
Vbus
24
ZGND
25
AGNDL
26
Vccl
27
VoutL
28
VoutR
29
Vccr
30
AGNDR
31
Vcom
32
DAC
SPDIF
I2S
PLL
USB
PROTOCOL
CONTROLLER
IC601
PCM2707PJR
DGND
+VUSB
USB_CS
SPI_CLK
SPI_DATA_IN
DGND
+VUSB
SK601
SIL_6W
USB connector
Vbus
D+
D-
GND
DGND
R606
1M
R612 22R R613 22R
R603
1k5
USB_D- USB_D+
VBUS_uProc
USB_D- USB_D+
VBUS
+VUSB
R601 470R
R602
1k5
+VUSB
C606
1uF 0805
C605
1uF 0805
DGND
Pin 30
Pin 27
C601
47uF/16V
PIN2
DGND
Pin 32
Pin 2
VCOM
VCOM
C607
22n
C608
22n
DGND
R607
1M
X601
12.000MHz
C610
33p
C609
33p
DGND
C604
1uF 0805
DGND
R604
BMB1J0120RS2
frame gnd
frame gnd
T601
BC846C
+VUSB
R608
1k5
D601
3v6
D602
3v6
DGND
R609
15k
R610
15k
C602
1uF 0805
+VUSB
DGND
Pin 21
USB_SPDIF
DGND
/SUB_RESET
RP601
10k * 4
R615
1k
R614
330R
DGND
DGND
+5V_MCU
VBUS
12
3 4
IC602
SFH6206-2
C603
1uF 0805
VBUS
DGND
DGND
PIN30
PIN27
D604
BAV70
D603
BAV70
+VUSB
PIN2
PIN27
PIN30
Cyrus 6 DAC, Cyrus 8 DAC amplifier service manual Issue 1© Cyrus Audio Ltd Jun 2014
USB decoder
Sub PCB schematic diagram
45