3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
L1034
3.3n
C1074
12n
DNI
C1076
3.3n
L1033
C1075
1p
15p
C1073
L1035
2n
C1072
100p
FL1008
7
5
8
4
9
2
3
1
6
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
L1036
DNI
C1098 100p
C1099 100p
TRX_W2100
PRX_W2100_MB1
Shunt cap must be<=33pF
guarantee LNA gain setting time
Place matching components near WTR
B1(W2100) Rx/Tx
Part No. : SUMY0010616
TP1
TP2
L1038
15p
C1085
15n
12n
L1037
5.6n
L1039
DNI
C1086
DNI
L1040
C1089
DNI
C1082
100p
0
C1083
FL1010
7
5
8
4
9
2
3
1
6
ANT
RX
TX
GND1
GND6
GND2
GND5
GND3
GND4
C1100 100p
100p
C1101
TRX_W900
PRX_W900_LB1
B8(W900) Rx/Tx
guarantee LNA gain setting time
Shunt cap must be<=33pF
TP1
TP2
U1006
17
15
13
16
14
10
5
6
4
12
7
3
8
11
1
9
2
RFIN
GND3
VBATT
GND4
CPL_OUT
VENHB
GND2
VCC
VENLB
GND1
VMODE
RFOUT_LB
RFOUT_HB
GND6
GND5
CPL_IN
GND7
100p
C1079
C1070
2.2u
+VSMPS
51
R1014
C1071
22p
+VPWR
0.1u
C1069
C1077
100p
C1078
100p
GND
+VPWR
PA0_R0
CPL_B1_B8
PA_ON5_B8_EN
PA_ON4_B1_EN
RF_TX_B1_B8
TP3