LG LG-D175F - Page 151

3. TROUBLE SHOOTING
- 151 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
U1500
62
51
43
55
41
49
45
60
61
RX_BB_IP
XO_IN
GNSS_BB_QP
RX_BB_QP
GNSS_BB_QM
RX_BB_IM
RX_BB_QM
GNSS_BB_IM
GNSS_BB_IP
WTR0_PRXBB_Q_P
WTR0_PRXBB_Q_N
WTR0_PRXBB_I_P
WTR0_PRXBB_I_N
WTR0_GNSSBB_I_N
WTR0_GNSSBB_Q_P
WTR0_GNSSBB_I_P
WTR_XO_IN
WTR0_GNSSBB_Q_N
R1505 0
12pC1513
100pC1508
WTR0_XO_IN
WTR_XO_IN
0902_Change
TP1
C1134
0
C1125
100p
SFMG1R0U201
FL1102
VDD
5
RF_OUT
4
RF_IN
1
VCTRL
2
GND
3
L1115 100p
10n
L3
DNI
L1120
5.6n
L1114
C1127
DNI
100pC1130
L1
DNI
3.3n
C1129
C1128 100p
L4 2p
FL1103
IN
1
OUT
4
G1
2
G2
3
G3
5
6.8n
C1131
+2V85_VREG_L19
L1119
DNI
L2
10n
100pC1126
C1135
DNI
C1136
DNI
L1124
DNI
L1123 3.3n
ANT1103
GNSS_ELNA_EN
WTR_GNSS_RF_IN_1
1005 -> 0603(DR)
place matchng components near WTR
LNA+Post Filter
QMC review
0603 delete
0527 change : C-clip -> PAD (2X3)
Rev.1.0
0622 change : EAN62581401->EAN62696801
TP2
TP3
TP5
TP4