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Flow Chart of Troubleshooting
ANT101
3 3
2
2
1
1
VDD_RX_TX_2.8V
U102
1
LCR_SW1
INA
VCC
2 GND
3
FESW1
INB
OUTY
U104
1
LCR_SW2
INA
VCC
2
GND
3 INB
OUTY 4
FESW2
U105
1 INA
LCR_SW3
VCC
2
GND
3 INB
FESW3
OUTY
GSM_TX
DCS_TX
AND_SEL
PON_PA
C106
ANT102
RFS101
3
3
2
L109
2
1
1
C102
L110
L101
R105
R106
C107
5
4
PA_OUT
5
should go to Layer 8
5
4
VBATT_4.2_3.3V
TA101
C140
5
13
GSM_IN
GSM_OUT
50V
4
15
DCS|PCS_IN
DCS|PCS_OUT
1
3
PAM101
BS
VRAMP
2
19
EN
VDET
MODE
20
DIAGAD
U101
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DCS RX
PCS RX
DCS/PCS TX
C104
TD-SCDMAB1/B2 TX
TD-SCDMA B1 RX
C147
TD-SCDMA B2 RX
VDD_RX_TX_2.8V
L102
C111
C114
10
7
TD-SCDMA_B1|B2-TX
TD-SCDMA_B1-RX
8
TD-SCDMA_B2-RX
22
1
EGSM-TX
EGSM_RX1
2
EGSM_RX2
20
U103
3
DCS|PCS-TX
DCS_RX1
4
DCS_RX2
15
5
VC1
PCS_RX1
16
6
VC2
PCS_RX2
17
VC3
C125
C126
C129
C130
L106
L107
C131
C132
RAMP
MODE_SELECT
B2
B3
GND
B4
GND
B5
GND
C3
GND
C4
GND
C5
GND
D3
GND
D4
GND
D5
GND
E3
9-29
L
H
L
L
L
H
L
H
H
L
L
H
H
L
L
L
L
L
LCR_RXH
LCR_RXL
C116
GSM_RX_N
L103
C115
C117
GSM_RX_P
C120
DCS_RX_N
L104
C119
C121
DCS_RX_P
C124
PCS_RX_N
L105
C123
C127
PCS_RX_P
<TCXO>
VDD_RX_TX_2
4
3
VCC
OUT
TCX101
VC
GND
2
1
R113
DCS_TX
GSM_TX
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