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3. TROUBLE SHOOTING
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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
L1606
2.2p
C1655
6.8n
1.5p
C1645
U1602
EAN62885901
SKY77742-21
17
15
13
16
14
10
5
6
4
12
7
3
8
11
1
9
2
RFIN
GND3
VBAT
T
GND4
CPLOUT
VENHB
GND2
VCC
VENLB
GND1
VMODE
RFOUTLB
RFOUTH
B
GND6
GND5
CPLI
N
PGN
D
C1643 100p
C1647
100p
C1648
100p
C1649
100p
+VPWR
C164
4
DNI
C1646
1p
3.3n
C1641
+VPWR
C163
1
1n
C1636
1n
100n
C1632
C1634
10u
10u
C1633
C1635
100n
DNI
L160
5
PA0_R_0
WTR_PDET_IN
WTR_TX3_OUT
PA0_ON_1
CPL_IN_OUT
PA0_ON_2
* B1
* B5
Place matching components near WTR
TP1(RF IN)
TP2(RF OUT)
TP3(+VPWR)