Table of Contents
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Flow Chart of Troubleshooting
MASTER RF
RFS100
ANT101
ANT100
3
3
3
3
2
2
2
2
1
1
1
1
SHORT
R101
R102
1005
L103
L104
17
GSM_TX
GSM850|900TX
15
DPCS_TX
GSM1800|1900TX
19
VC1
VC1
20
VC2
VC2
C114
C115
C102
C101
L100
GSM850 RX
C105
C106
10+05
F100
GSM900 RX
C109
1
GSM850RX
2
GSM850RX
3
GSM900RX
4
GSM900RX
5
C110
GSM1800RX
6
GSM1800RX
7
GSM1900RX
8
GSM1900RX
DCS RX
C111
C118
PCS RX
C122
C125
GSM_TX_HB
C126
GSM_TX_LB
+VDD_RX_TX_2.8V
RFIC_EN
REF_ON_PMU
RFIC_RST
RF_EN
RF_DATA
RF_CLK
OSC100
4
1
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L102
L106
L107
L108
B2
DIAGAD
B3
GND
B4
GND
B5
GND
C3
GND
C4
GND
C5
U101
GND
D3
GND
D4
GND
D5
GND
E3
GND
E4
GND
E5
GND
1
NC
2
NC
3
2
10-26
RX_TX_QP
RX_TX_QN
RX_TX_IP
RX_TX_IN
+VDD_RX_TX_2.8V
+VCC_SYN_2.8V
C129
F7
VDD1
E7
VDD2
C1
VDD3
D1
VDD4
C7
VDD_BAL
G6
VIO
C131
+VDD_IO_LOW_1.8V
REF_ON_PMU
C133
BT_CLK
C134
D_REF_CLK
R107
RAMP
C137
GSM_TX_HB
GSM_TX_LB
C130
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