3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
100p
C1455
FL1753
5
2
6
4
3
1
VD
D
GND
PORT
2
ANT
PORT
1
VCTL
100p
C1433
1n
C1432
+2V7_VREG_L16
C1416
DNI
100p
L1149
GRFC_8
DRX_B17_B28A
WTR_B17_B28_DRX_LB4
DRX_B28B
L
H
PORT 2
H
H
VDD CTRL
PORT 1
C1166
4.7n
1n
C1138
773.0MHz
FL1111
5
3
2
4
1
UB1
UB2
G1 G2 G3
FL1212
751.0MHz
5
3
2
4
1
IN
OUT
G1 G2 G3
L1145
DNI
C1139
4.7n
C1165
100p
DNI
L1143
L112
7
DNI
L112
8
DNI
DRX_B17_B28A
DRX_B28B
change to 28B Filter
TP2
TP4
TP3
TP1