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Flow Chart of Troubleshooting
7-36
2.8V
R112
L110
+VCC_SYN
R111
L102
R103
R102
R101
L101
ANT101
0
R122
C125
R110
C123
R106
C134
L105
L104
C122
3
C
G
1
G
4
C135
CN100
KMS-512
A
2
L103
C131
0
R109
C106
+VCC_SYN
L100
C132
R114
C133
0
C117
C109
C114
+VDD_RX_TX
TP100
C136
12
VC2
VC3
9
C115
DCS_RX2
DCS|PCSTX
13
11
EGSMTX
1
EGSM_RX1
2
EGSM_RX2
7
G
PCS_RX1
5
6
PCS_RX2
VC1
10
LMG003W-5108A
MODULE1
8
ANT
DCS_RX1
3
4
R108
C120
C121
C112
C116
C101
ANT100
2
13
0
F100
R115
C129
R105
C103
C100
C110
C113
+VDD_SLEEP
C137
C118
C107
C104
6
VRAMP
2
DCS/PCSIN
1
DCS/PCSOUT
9
10
GND
GND
5
GSMIN
7
8
GSMOUT
3
TXEN
VBATT
4
U101
BAND
R119
C139
R117
C108
QOUT/QIN
J9
GNDMASH
C105
LE
J1
GNDLNA
J2
VCCOPLL
J3
VCCTXVCO
J4
TXOUTD
J5
TXOUTG
J6
GNDTXVCOG2
J7
IOUT/IIN
J8
GSM0LNAIB
H2
GNDOPLL
H3
GNDTXVCOD
H4
GNDTXVCOB
H5
GNDTXVCOG1
H6
VCCTXVCOG
H7
IOUTB/IINB
H8
QOUTB/QINB
H9
GSM1LNAIB
F2
GSM1GSM0GND
F8
CLK
F9
SDATA
G1
GSM0LNAI
GSM0GND
G2
G8
VCCMASH
G9
CLKOUT1
H1
DCSLNAIB
D2
DCSGSM1GND
D8
DIVON
D9
CLKOUT2
E1
GSM1LNAI
E2
GND
E8
GNDCLK
E9
VCCCLK
F1
GNDRFSYN
B8
GNDBUF1
B9
TCXOIN
C1
DCSLNAI
C2
PCSDCSGND
C3
GND
C8
CLK2CONT
C9
GNDBUF2
D1
VCCRFSYN
A9
VCCBUF
B1
PCSLNAIB
B2
PCSGND
B3
VCCMIX
B4
CAPIB
B5
CAPQB
B6
VCCRFVCO
B7
NC
A1
PCSLNAI
A2
GND
A3
VCCLNA
A4
CAPI
A5
CAPQ
A6
VCCRFLO
A7
VCCBB
A8
U100
1
NC
2
R121
C128
C130
C138
+VCC_SYN
C102
R118
L109
L108
2
GND
OUT
3
4
VCC
VCON
1
U102
R116
L107
C111
0
R100
15nH
L112
C127
C126
R104
R120
R107
J_ANT
C124
GSM_TX
DCS_TX
VC3
VC2
VC1
EGSM_RX_N
EGSM_RX_P
DCS_RX_N
DCS_RX_P
PCS_RX_N
PCS_RX_P
VBAT
GSM_TX
DCS_TX
DCS
TXON
RAMP
RF_EN
AFC
PCS_RX_N
PCS_RX_P
DCS_RX_N
DCS_RX_P
EGSM_RX_N
EGSM_RX_P
26M_CLK
RX_TX_IN
RX_TX_QN
RX_TX_IP
RX_TX_QP
RF_CLK
RF_DATA