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Flow Chart of Troubleshooting
ANT100
DPCS_TX_M
GSM_TX_M
VC1_M
VC2_M
F101
C113
L105
1
LOW_RX_M
IN
L107
F102
C123
L116
1
HIGH_RX_M
UNBAL
L110
RX_TX_QN
RX_TX_QP
RX_TX_IN
RX_TX_IP
REF_ON_PMU
D_REF_CLK
RFS100
ANT101
C102
C145
C105
6
F100
ANT
3
DCS|PCS_TX
DCS|PCS_RX
GSM850|900_RX
4
GSM850|900_TX
8
VC1
2
VC2
C143
C144
C111
GSM850 RX
L103
C112
6
GSM850_OUT
GSM850_OUT 7
C114
GSM900_OUT 8
9
GSM900_OUT
GSM900 RX
L106
C117
C121
DCS RX
L109
BAL1 6
C124
7
BAL1
BAL2 8
9
BAL2
C125
PCS RX
L112
C127
NC
21
TEST_A
22
TEST_B
23
NC
24
NC
25
VDD_BB
26
Q-
27
Q+
28
I-
29
I+
30
C137
BT_CLK
OSC100
4
3
1
2
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L100
1
HIGH_RX_M
9
LOW_RX_M
L104
C116
C115
C151
VDD_RX_TX_2.8V
C131
US|EGSM_TX
10
PA_VCTRL
9
TX_VCTRL
8
U103
VDD_RF
7
VDD_LO
6
VCO_SYN_REG
5
VDD_SYN
4
VDD_IO
3
DATA
2
CLK
1
C134
RF_EN
VCC_SYN_2.8V
C140
9-22
HIGHBAND_TX_M
L108
LOWBAND_TX_M
C152
C122
VDD_RX_TX_2.8V
C129
VDD_IO_LOW_1.8V
C142
RF_DATA
RF_CLK
VDD_IO_HIGH_2.9V
R107
C146
PA_RAMP_M
RAMP_M
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