NAD VISO 1 Service Manual page 64

MCU BOARD (PHASE II) - (2)
J2
1
2 1USB_D+
3 1USB_D-
4
N.I.
R10
5 ACC_ID D+
6 ACC_PWR
ACC_PWR
(DGND_IPOD)
7 GND
GND
8 IPOD_RX
9 IPOD_TX
(ACC.DETECT)
10 GND GND
11
12 D-
13
14
15
16 IPOD_DETECT
17 KEY KEY
(KEY)
18 GND
GND
19
20
+3.3V
R9
10K
IPOD_DETECT
J1 D2
SBR3U20SA
1 USB_VBUS2 USB_VBUS
L3 N.I.
2
R18
C43 C44
0 N/A N/A
J1A
+3.3V
To PG-10 J18
1 IR
2
3
4
J11
1
2
33
R78
SYNC_UPDATE
+3.3V
1 S 10 R36 100
VCC
2 HSD1+ 9
OE
U3
3 HSD2+ 8
HSD1-
FSUSB30
4 D+ 7
HSD2-
5 GND 6
D-
OVERCURRENT
+3.3V
PC_VBUS
100 R5
1 S 10
VCC
2 HSD1+ 9
OE
OE
U9
3 HSD2+ 8
HSD1-
FSUSB30
4 D+ 7
HSD2-
5 GND 6
D-
R35 R3
0 0
+3.3V
1 S 10 R4 100
VCC
2 HSD1+ 9
OE
U2
3 HSD2+ 8
HSD1-
FSUSB30
4 D+ 7
USB_D+
HSD2-
5 GND 6
D- USB_D-
SEL1
SYNC_UPDATE
LRCK_BT
33
R43
CH2_3_WS
R28 0 R31 0
SCK_BT
33
R44
CH2_3_SCK
R45 33
CH2_3_SD
F5V
C30 1000p
U4
R83
FDC6329
0
VBUS
4 3
VIN VOUT3
R7
C20 C32
C25
100u 2K 5 2 N/A
V_ON/OFF VOUT2
0.1u
R11 10K
6 1
R1/C1 R2
R8
R15
2K
1K
C31 1000p
U5
FDC6329
4 3
VIN VOUT3
C29
C26
5 2
N/A
V_ON/OFF VOUT2
0.1u
10K
R16
6 1
R1/C1 R2
R12
1K
33 R79
PC_SWITCH
A3V3 33
R80
VISO_SWITCH
C35
C34
10u 22p
R32 12K
1 R
2 AVDD
3 RX1
4 NC4
OPT 5 RX0
U7
6 DVDD
AK4117
+3.3V
X2 7 DVSS
11.2896MHz
8 XTI
9 XTO
10 LRCK
C37 C38 11 BICK
C36 C39
10u 22p
18p
18p
12 SDTO
+3.3V
1 16
SELECT VCC
2 1/0 15
SEL0 C48 C47
OE
10u 22p
3 14
1/1 4/0
U10
SN54LVC257A
4 1Y 13
4/1
5 2/0 12
4Y
6 11
2/1 3/0
7 2Y 10
I2S_DATA_BT
3/1
8 GND 9
3Y
63
L1
5V25
F5V
10uH
C22 C28
C27
100u 100u 0.1u
CH0_1_WS
L5
+3.3V
A3V3
BMB2A0600RSA
CH0_1_SCK
+3.3V 1V8
U34
CH2_3_SCK
AP1117D-13
IN OUT
R152
220
CH2_3_WS
C23 C140 C139 C152 C151 C154
100u 100u 0.1u 4.7u 4.7u 100u
R153
100
C150
4.7u
INTERRUPT
+3.3V
SPI-SCK-DDFA
J8
1
2 SPI-CS-DDFA
3
4 SPI-SISO-DDFA
5
6
+3.3V
7
8
OPT 9
10
TEMP_CH1
11
PC_VBUS
12
USB_D-
TEMP_CH2
USB_D+ 13
ID 14
TEMP_CH3
15
5V25
16
24 17
LED1
AVSS C21
0.1u
23 18
PDN
22 LED2 19
INT0
21 20
INT1
20
CSN
19
CCLK
18
CDTI
17
CDTO
R46 33
16 INT1_AKM
UOUT
33
R47
15 INT0_AKM
NC15
33
R48
14 PDN
MCKO
R49 33
13
SPI-CS2
DAUX
R50 33
SCK_3
R51 33
MOSI_3
R52 33
MISO_3
J5
1
2
3
CH0_1_SD 4
5
6
7
8
9
CH2_3_SD 10
11
12
13
14
RESET
15
16
17
R56 0
18
19
R57 0
20
21
0
R81
22
23
24
25
26
27
0
R17
28
29
R25 0
30
31
R26 0
32
33
34
C19 C41 C24 C40
0.1u 0.1u 0.1u 0.1u