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SA-AK750P / SA-AK750PC
19.2. (B) XM Module Circuit
1
2
3
SCHEMATIC DIAGRAM - 2
A
B
XM MODULE CIRCUIT
B
R40
100K
C
R39
100K
D
FP1
MUTE
17
I2S_RATE
16
LINKACTIVE
15
E
AOUT_R
14
AGND
13
AOUT_L
12
TO
DAC_RST
11
3.3V
MAIN CIRCUIT
3.3V
10
100mA
(CN3100)
SC_RXD
9
IN SCHEMATIC
SC_TXD
8
DIAGRAM-4
ANT_REV
7
DTIC_RST
6
DGND
5
DGND
4
5.3V
3
5.3V
F
5.3V
2
500mA
PWR_CTRL
1
LB2
G
J0JHC0000107
H
1
2
3
4
5
6
:+B SIGNAL LINE
:XM SIGNAL LINE
LB1
J0JGC0000050
R54
R53
0
0
C38
10V10
C37
10V10
R24
100K
LB3
D1
J0JBC0000014
MA2J72800L
R23
100K
LB4
J0JGC0000050
R64
100K
R2
R1
47
100K
100K
48
47
46
45
44
43
42
41
40
39
38 37
1
36
R16
2
35
HSDP_EN
47
3
34
C1
SC_TX_OUT
HSDP_CLK
[1]LSDP
4
[35]DT4_MODE
33
VDD
R17
[2]VSS
VDD
0.1
5
IC1
32
R55
SC_RX_IN
HSDP_DA
47
6
31
RFU(I2C_SCL)
C1AB00002670
VSS
100K
7
30
C2
RFU(I2C_SDA)
TEST
XM SAT RADIO DRIVER
R19
8
29
VDD
47
SC_RATE
0.1
9
28
ANT_REV
IN
[12]SLAVE_SEL
10
[25]VSS
27
VSS
VDD
R20
[13]I2S_RATE
11
26
RST-
OUT
47
12
25
R57
47
13
14
15
16 17
18 19
20
21
22
23
24
H0A451500001
R58
47
R11
1K
R9
C18
R13
100
0.1
0
R10
C19
R14
100
0.1
0
1
GND
OUT
8
C20
R12
2
IN
OUT
7
0.1
1K
3
IN
OUT
6
4
EN
OC/
5
IC2
C0DBZYE00002
POWER SUPPLY
4
5
6
7
8
9
R31
1K
R32
1K
16
15
14
13
12
11
10
9
IC3
IC3
C0FBBY000027
2CH D-A CONVERTER
1
2
3
4
5
6
7
8
C14
0.1
R8
10K
R22
47
R65
100K
C43
1000P
C42
0.01
R62
C10
5
0.1
4
GND
JK1
R59
3
D+
100K
XM
2
D-
C9
1
VCC
R6
R7
4.7K
7
6
0.1
390
X1
X1
C6
C7
5P
5P
7
8
9
70
10
11
12
SA-AK750P/PC XM MODULE CIRCUIT
10
11
12
13
14
A
B
C
D
E
F
G
H
13
14
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