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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
22n R1514
100nC1510
C1504 100n
C1505 100n
C1506 100n
C1507 100n
C1508 100n
100nC1511
100nC1512
R1515
0
C1517 100p
+1V8_VREG_S3A
+2V05_VREG_L15
1uC1500
C1501 4.7u
100nC1515
C1514 100n
C1516
100n
C1522 100n
C1518 100n
C1519 100n
C1524
10u
C1502 100p
DNIC1543
TOL=0.01
R1516 4.75K
100nC1520
C1521 100n
C1523 100n
DNIC1509
C1513 DNI
+1V3_VREG_L4
DNIC1503
C1541 1n
U1500
WTR1625L
345722111438723125149100116
75
84
66
45
132
112
30
29
32
33
50
91
37
71
164
122
156
118
55
140
94
113
2
13
12
4
1
20
28
7
16
15
5
19
18
17
9
27
43
51
65
73
92
102
117
121
130
155
139
138
146
154
163
153
162
133
147157 114129 126 62809854 136115 1351374878 9079 749352 59103
158148124
105
95
109
131
123
104
141
85
67
53
60
68
61
86
76
97
107
108
99
127
161
152
160
151
125142159134150
44
36
106119120128143144145110101111967787474063708869494623310392462181414264268355882835689
GND1
GND2
GND3
GND4
GND5
GND6
GND7
GND8
GND9
GND10
GND11
GND12
GND13
GND14
GND15
GND16
GND17
GND18
GND19
GND20
GND21
GND22
GND23
GND24
GND25
GND26
GND27
GND28
GND29
GND30
GND31
GND32
GND33
GND34
GND35
GND36
GND37
GND38
GND39
GND40
GNSS_RF_INP
GNSS_RF_INM
GND41
GND42
GND43
GND44
GND45
TX_BB_IP
TX_BB_IM
TX_BB_QP
TX_BB_QM
DAC_REF
PRX_BB_IP
PRX_BB_IM
PRX_BB_QP
PRX_BB_QM
DRX_BB_IP
DRX_BB_IM
DRX_BB_QP
DRX_BB_QM
GNSS_BB_IP
GNSS_BB_IM
GNSS_BB_QP
GNSS_BB_QM
GND64
GP_DATA1
GP_DATA0
XO_IN
ADC_IN
SSBI_PRX_DRX
SSBI_TX_GNSS
GND46
GND47
GND48
VDD_DIO
VDD_RF1_G_BB
VDD_RF1_G_LNA
VDD_RF1_G_PLL
VDD_RF1_G_VCO
VDD_RF1_P_PLL
VDD_RF1_P_VCO
VDD_RF1_S_PLL
VDD_RF1_S_VCO
VDD_RF1_T_DA
VDD_RF1_T_LO
VDD_RF1_T_SYN
VDD_RF1_T_UPC
VDD_RF2_D_BB
VDD_RF2_P_BB
VDD_RF2_P_VCO
VDD_RF2_S_VCO
VDD_RF2_T_BB
VDD_RF2_T_DA
VDD_RF2_T_PLL
VDD_RF2_T_VCO
VDD_RF2_XO
GND49
TX_LB1_OUT
TX_LB2_OUT
TX_LB3_OUT
TX_LB4_OUT
TX_MB1_OUT
TX_MB2_OUT
TX_MB3_OUT
TX_MB4_OUT
TX_HB1_OUT
TX_HB2_OUT
PDET_RFFB
PRX_LB1_IN
PRX_LB2_IN
PRX_LB3_IN
PRX_LB4_IN
PRX_MB1_IN
PRX_MB2_IN
PRX_MB3_IN
PRX_HB1_IN
PRX_HB2_IN
PRX_HB3_IN
PRX_HMB4_IN
DRX_LB1_IN
DRX_LB2_IN
DRX_LB3_IN
DRX_LB4_IN
DRX_MB1_IN
DRX_MB2_IN
DRX_MB3_IN
DRX_HB1_IN
DRX_HB2_IN
DRX_HB3_IN
DRX_HMB4_IN
GND50
GND51
GND52
GND53
GND54
GND55
GND56
GND57
RTUNE
DNC
PRX_LB_CA_OUT
PRX_MB_CA_IN
PRX_HB_CA_OUT
DRX_LB_CA_OUT
DRX_MB_CA_IN
DRX_HB_CA_OUT
GND58
GND59
GND60
GND61
GND62
GND63
VDD_RF2_FBRX
VDD_RF2_PRX
VDD_RF1_T_VCO
VDD_RF1_P_HB_LO
VDD_RF1_D_LB
VDD_RF1_P_LB
VDD_RF1_D_LOM
VDD_RF1_D_LB_LO
VDD_RF1_D_MB
VDD_RF1_D_HB
VDD_RF1_P_HMB_LO
VDD_RF1_P_HMB
WTR0_XO_IN
WTR0_TXBB_I_P
WTR0_GNSSBB_Q_P
WTR0_GNSSBB_I_P
WTR0_GNSSBB_I_N
WTR0_GNSSBB_Q_N
WTR0_PRXBB_I_P
WTR0_PRXBB_Q_N
WTR0_PRXBB_Q_P
WTR0_DRXBB_I_N
WTR0_DRXBB_I_P
WTR0_DRXBB_Q_N
WTR0_DRXBB_Q_P
WTR0_PRXBB_I_N
WTR0_TXBB_I_N
WTR0_TXBB_Q_N
WTR0_TXBB_Q_P
WTR0_GPDATA_1
WTR0_GPDATA_0
WTR0_SSBI_TX_GNSS
WTR0_SSBI_PRX_DRX
WTR0_DAC_IREF
WTR_G850_B5_PRX_LB3
WTR_GSM_HB_PRX_MB2
WTR_B17_B20_PRX_LB1
WTR_G900_B8_PRX_LB2
WTR_B1_PRX_HMB4
WTR_B5_B8_TX_LB1
WTR_GSM_LB_TX_LB2
WTR_GSM_HB_TX_MB2
WTR_B1_B2_TX_MB3
WTR_B3_B4_TX_MB4
WTR_B3_B4_PRX_MB1
GNSS_IN_N
GNSS_IN_P
WTR_B5_DRX_LB3
WTR_B20_DRX_LB2
WTR_B8_DRX_LB1
WTR_B40_DRX_HB1
WTR_B1_B4_DRX_MB1
WTR_B3_DRX_MB2
WTR_B7_DRX_HB3
WTR_PDET_IN
WTR_B40_TX_HB2
WTR_B40_PRX_HB1
WTR_B7_PRX_HB3
WTR_B7_TX_HB1
WTR_B2_PRX_MB3
WTR_B2_DRX_MB3
WTR_B17_B20_TX_LB3
WTR_B28_PRX_LB4
WTR_B17_B28_DRX_LB4
WTR_B28_TX_LB4
NOTE2
22nH inductor helps spurs for B3+B5 CA
93, 74
52, 59
57
14
38
25
136
135
115
149
48
78
103
147
116
157
62
80
129
79
CHANGE R1507 22nH, C1510 DNI
NOTE1
DOCUMENT NO: 80-NA805-44
CHANGE R1508 8.2nH
8.2nH inductor helps spurs for B4+B2 CA
DOCUMENT NO: 80-NA805-42
90
126
100
NOTE1
NOTE1
NOTE2
CAUTION: YOU MUST CHECK & MODIFY RF PORT AND GPIO ON YOUR SCHEMATICS.
Rev_0.4< 1-3-5-1_RFIC_CA_nCA_WTR1625 >
REV10
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