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Flow Chart of Troubleshooting
7-29
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R1006
VREG_TCXO
C1052
C1016
C1047
L1009
R1020
C1042
C1026
C1033
R1019
5
IN
1
3
OUT
OUT
4
C1046
F1001
2
GG
C1034
B1
1
2
GND
SEL
6
VCC
5
C1041
U1002
4
A
3
B0
V_TCXO1
V_TCXO1
2
G
3
5
G
4
IN
1
OUT
L1020
B9000
G
GND
2
6
SEL
5
VCC
L1017
U1003
A
4
B0
3
1
B1
C1006
L1005
L1016
C1048
C1009
C1037
C1007
R1017
C1053
R1023
C1035
C1051
V_TCXO1
L1003
R1000
L1002
VREG_MSMP
L1013
L1007
V_TCXO1
R1009
5.6nH
C1049
L1014
R1010
L1019
C1014
C1021
R1015
C1027
V_RFRX2
R1007
C1024
C1023
TCX1001
2
GND
OUT
3
4
VCC
VCON
1
100PF
C1004
C1025
V_RFRX1
C1015
C1005
C1043
L1010
C1018
VREG_MSMP
V_RFRX2
C1017
R1005
R1022
18
V_TCXO1
5.6K
C1050
R1012
C1038
L1021
L1011
L1018
C1008
L1012
C1031
TA1001
C1020
F1000
2
GG
5
IN
1
3
OUT
OUT
4
C1019
1
VT
R1016
G
2
5
G
G
7
G
8
4
OUT
6
SW
VCC
3
VCO1000
C1013
C1040
R1021
C1002
7
SPI_CLK
8
SPI_EN
9
VDDM
C1030
17
GND
18
NC
19
NC
2
CL
NA_INBIAS
3
P
L
NA_INBIAS
4
P
L
NA_IN
5
GN
D
6
FM_STEP
CL
NA_IN
10
SPI_DT
11
P
L
NA_O
U
T
12
GN
D
13
CL
NA_O
U
T
GN
D
14
15
VDDA
16
RBIAS
U1000
1
L1008
TA1003
C1022
R1014
C1012
L1022
C1044
C1028
L1006
L1001
R1004
C1000
R1008
C1036
L1015
39
VDDA22
27
VDDA3
20
VDDA4
VDDM
23
C1029
RX_QP
38
R_BIAS
25
SBCK
SBDT
26
24
SBST
TCXO
28
VDDA11
4
VDDA12
17
18
VDDA13
VDDA14
29
VDDA21
14
LO_OUT
19
36
NC1
37
NC2
45
NC3
NC4
46
8
PCS_INM
6
PCS_INP
30
RX_IM
RX_IP
31
33
RX_QM
34
7
GND5
9
11
GND6
13
GND7
22
GND8
32
GND9
GPS_INM
10
12
GPS_INP
GVCO_TUNE
21
15
LO_INM
LO_INP
16
40
CELL_INM
CELL_INP
2
1
GND1
35
GND10
41
GND11
GND12
42
43
GND13
GND14
44
GND2
3
5
GND3
GND4
VREG_RFRX
U1001
3
4
5
C1039
TR1000
1
2
C1032
R1018
V_RFRX1
L1004
3
S2
R1002
TR1001
D
2
G
4
S1 1
R1001
L1000
R1003
C1010
C1045
R1011
C1011
SB_DT
SB_ST
SB_CK
EXT_VCO_EN
CELL_RX
PCS_RX
FAQ_RX
BAND_SEL
BAND_SEL
GPS_EN
GPS_RX
BAND_SEL
UHF_VCO_BAND_SEL
CP_RX0
SB_DT
TCXO
TRK_LO_ADJ
RX_Q_N
RX_Q_P
RX_I_P
RX_I_N
UHF_LO_BUFF
SB_ST
SB_CK
TCXO