LG LG-D175F - Page 74

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
C1615 100p
100pC1616
C1617 100p
+VPWR
R1600 51
C1614
DNI
C1624 2.7n
6.8pC1612C1611 100p
+VPWR
U1600
SKY77742-21
RFIN
2
GND3
9
VBATT
1
GND4
11
CPLOUT
8
VENHB
3
GND2
7
VCC
12
VENLB
4
GND1
6
VMODE
5
RFOUTLB
10
RFOUTHB
14
GND6
16
GND5
13
CPLIN
15
PGND
17
C1600 1n
C1605 1n
10n
C1601
C1603 10u
DNI
C1604
100pC1613
DNI
L1603
4.7n
L1602
L1606
DNI
DNI
L1605
PA0_R_0
WTR_TX3_OUT
WTR_PDET_IN
PA0_ON_0
PA0_ON_2
DC block needed only if using MuRata B2 duplexer
TP1(RF IN)
TP2(RF OUT)
TP3(+VPWR)