64
UART INTERFACE1
UART INTERFACE2
FOR DEBUG ONLY
1 GPIO_8/DTR
2 GPIO_5/BT_STAT
3 PCM_IN
4 PCM_OUT
5 PCM_SYNC
6 PCM_CLK
7 LED_EXT1
8 LED_EXT0
9 GND1
10 VDD_USB
11 VDD_IO
12 MSTR_VIN
13
GND
3
14
S
P
I_CS
15
S
P
I_M
IS
O
16
S
P
I_CL
K
17
S
P
I_M
O
S
I
18
G
P
IO
_3/
D
S
R
19
G
P
IO
_4/
R
I
20
G
P
IO
_2/
D
C
D
21
G
P
IO
_1/
B
T
_A
CT
22
GND
2
23
AU
D
IO
_
G
N
D
24
S
P
K
R
_A
_N
25
S
P
K
R
_A
_P
26
S
P
K
R
_B
_N
27
S
P
K
R
_B
_P
28
MIC_BIAS
29
MIC_BP_C
30
MIC_BN_C
31
MIC_AP_C
32
MIC_AN_C
33
NC8
34
NC34
35
NC9
36
NC10
37
NC11
38
NC12
39
NC13
40
NC
1
4
41
NC
1
5
42
NC
6
43
NC
5
44
NC
4
45
US
B
_
D
-
46
US
B
_
D
+
47
GND
4
48
UA
R
T
_R
T
S
49
UA
R
T
_CT
S
50
UA
R
T
_T
X
51
UA
R
T
_R
X
52
G
P
IO
_7/
R
F_A
CT
53
G
P
IO
_6/
LA
N
_A
C
T
54
RES
E
T
J7
BTM511
R40
33
R29
33
R41
33
R30
33
R42
22k
C46
0.1u
R69
33
R71
33
R68
33
R70
33
R72
130
R73
130
D1
D3
R60
10k
R61
NC
R65
NC
R64
10k
R66
10k
R67
NC
R63
NC
R62
10k
UART_RTS_H
UART_CTS_H
UART_TX_H
UART_RX_H
WLAN_ACTIVE
RF_ACTIVE
+3.3V
BT_STATE/BT_PRIORITY
I2S_DATA_BT
SCK_BT
LRCK_BT
+3.3V
DTR
DSR
RI
DCD
BT_ACTIVE
+3.3V
+3.3V
BT_STATE/BT_PRIORITY
BT_ACTIVE
+3.3V
+3.3V
WLAN_ACTIVE
RF_ACTIVE
+3.3V
MCU BOARD (PHASE II) - (3)
Summary of Contents for VISO 1
Page 2: ...2 SAFETY INFORMATION 3 Contains Contains transmitter module ...
Page 7: ...7 3 Remove the 2 pcs M6 screws at the bottom of the unit 4 Pull out the I O stand assembly ...
Page 13: ...13 PCB LAYOUT MCU BOARD PSU BOARD ...
Page 15: ...15 DDFA BOARD SOLDER SIDE ...
Page 16: ...16 REMOTE BOARD COMPONENT SIDE REMOTE BOARD SOLDER SIDE ...
Page 17: ...17 KEY BOARD COMPONENT SIDE KEY BOARD SOLDER SIDE ...
Page 40: ...40 MCU U2 U3 U9 MCU Q1 Q2 MCU U4 U5 U8 MCU U6 ...
Page 42: ...42 PSU U1 PSU Q1 PSU U2 ...
Page 43: ...43 IO U1 CONN 2 U2 PSU U5 PSU U3 DDFA Q3 ...
Page 44: ...44 DDFA Q4 DDFA Q5 DDFA Q6 ...
Page 45: ...45 DDFA Q7 Q18 DDFA Q8 DDFA Q17 Q19 DDFA U1 ...
Page 47: ...47 DDFA U11 U13 DDFA U15 DDFA U10 U12 U14 DDFA U16 DDFA U19 ...
Page 48: ...48 REMOTE Q1 CONN 2 U4 REMOTE IC101 DDFA U20 ...
Page 54: ...53 PACKING DIAGRAM PARTS LIST 2 1 4 3 5 6 7 9 8 10 11 12 14 16 15 17 13 18 19 7 10 ...
Page 71: ...55 SERVICE MANUAL VISO 1 BT Wireless Digital Music System NAD ELECTRONICS LTD TORONTO ...