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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
R1500
15
R1501
330
22n
L150
7
8.2n
L1508
DNI
C1510
100n
C1504
100n
C1505
C1506
100n
100n
C1507
C1508
100n
100n
C1511
C1512
100n
33p
C1539
DNI
C1542
100p
C1517
+1V8_VREG_L10
+2V05_VREG_L9
1u
C1500
4.7u
C1501
100n
C1515
C1514
100n
C1516
100n
C1522
100n
C1518
100n
100n
C1519
100p
C1502
10u
C1524
C1543
DNI
4.75K
R1503
TOL=0.01
100n
C1520
C1521
100n
100n
C1523
+1V8_VREG_L10
+2V05_VREG_L9
+1V225_VREG_L1
DNI
C1509
DNI
C1513
DNI
C1537
DNI
C1536
+1V225_VREG_L1
DNI
C1503
C1541
1n
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_DI
O
VDD_RF1_G_B
B
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_UP
C
VDD_RF2_D_B
B
VDD_RF2_P_B
B
VDD_RF2_P_VCO VDD_RF2_S_VCO
VDD_RF2_T_B
B
VDD_RF2_T_DA
VDD_RF2_T_PLL
VDD_RF2_T_VCO
VDD_RF2_X
O
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_FBR
X
VDD_RF2_PRX
VDD_RF1_T_VCO
VDD_RF1_P_HB_LO
VDD_RF1_D_LB VDD_RF1_P_LB VDD_RF1_D_LO
M
VDD_RF1_D_LB_LO
VDD_RF1_D_M
B
VDD_RF1_D_HB
VDD_RF1_P_HMB_LO
VDD_RF1_P_HM
B
59
52
68
93
74
15
9
56
83
163
154
146
138
139
155
130
14
2
12
5
151
160
60
82
58
53
67
152
15
16
7
79
90
78
48
85
141
104
123
137
28
20
121
161
117
135
115
136
54
98
102
13
3
80
69
88
62
1
4
12
13
162
2
153
147
70
157
126
131
109
95
113
114
105
94
63
40
47
87
77
156
96
12
4
14
8
164
140
55
118
127
15
8
99
71
37
91
50
33
32
29
18
17
30
112
35
75
116
100
149
129
92
73
65
51
25
108
107
31
72
38
14
44
11
1
8
26
11
22
57
15
0
13
4
64
132
11
9
10
6
36
45
66
34
84
10
1
11
0
14
5
97
76
14
4
12
0
122
86
103
42
9
27
41
81
43
14
3
12
8
61
21
6
24
39
10
WTR1625L
U1500
3
23
46
49
89
19
5
GND1
52
GND2
1
GND3
61
GND4
34
GND5
14
GND6
46
GND7
35
GND8
42
GND9
53
GND10
20
GND11
51
GND12
41
GND13
45
GND14
50
GND15
18
GND16
9
GND17
11
GND18
21
GND1
9
32
GND2
0
4
GND21
38
GND2
2
55
GND23
40
GND2
4
60
GND25
48
GND26
58
GND27
26
GND2
8
8
GND2
9
12
PRX_BB_IP
29
PRX_BB_IM
28
PRX_BB_QP
25
PRX_BB_QM
30
DRX_BB_IP
62
DRX_BB_IM
63
DRX_BB_QP
57
DRX_BB_QM
64
XO_IN
7
SSBI_PRX_DRX
13
VDD_RF1_P_PLL
44
VDD_RF1_P_VCO
33
VDD_RF2_D_BB
56
VDD_RF2_P_B
B
23
VDD_RF2_P_VCO
37
VDD_RF2_X
O
17
PRX_MB1_IN
22
PRX_MB2_IN
16
PRX_MB3_IN
6
DRX_MB1_IN
49
DRX_MB2_IN
54
DRX_MB3_IN
66
DRX_HB_CA_IN
43
DRX_MB_CA_OUT
65
DRX_LB_CA_IN
36
PRX_HB_CA_IN
27
PRX_MB_CA_OUT
5
PRX_LB_CA_IN
3
R_TUNE
19
VDD_RF1_DI
G
24
VDD_RF1_D_LO
47
VDD_RF1_D_MHB_FE
59
VDD_RF1_D_LB_F
E
39
VDD_RF1_P_MHB_F
E
10
VDD_RF1_P_LB_F
E
15
VDD_RF1_P_LO
31
VDD_RF3_DI
O
2
R1502
330
WTR0_PRX_MB3_IN
WTR0_PRX_LB3_IN
WTR0_PRX_LB2_IN
WTR0_PRX_MB1_IN
WTR0_PRX_HMB4_IN
WFR0_PRX_MB3_IN
WFR0_PRX_MB1_IN
WTR0_PRX_MB2_IN
WTR0_TX_MB2_OUT
WTR0_TX_MB3_OUT
WTR0_TX_LB1_OUT
WTR0_TX_MB4_OUT
WTR0_TX_LB2_OUT
WTR0_DRX_LB3_IN
WTR0_PDET_IN
WTR0_DRX_HB1_IN
WTR0_DRX_LB1_IN
WTR0_DRX_LB4_IN
WFR0_DRX_MB3_IN
WFR0_DRX_MB1_IN
WTR0_DRX_MB1_IN
WTR0_DRX_HB3_IN
WTR0_DRX_HMB4_IN
WTR0_DRX_MB3_IN
WTR0_DRX_LB2_IN
WTR0_XO_IN
WTR0_XO_IN
WTR0_TX_LB3_OUT
WTR0_TX_HB1_OUT
WTR0_PRX_HB3_IN
WFR0_DRXBB_I_P
WFR0_PRXBB_Q_N
WFR0_PRXBB_Q_P
WFR0_DRXBB_I_N
WFR0_PRXBB_I_P
WFR0_PRXBB_I_N
WFR0_DRXBB_Q_P
WFR0_DRXBB_Q_N
WTR0_TXBB_Q_N
WTR0_TXBB_I_P
WTR0_TXBB_I_N
WTR0_TXBB_Q_P
WTR0_PRXBB_Q_P
WTR0_PRXBB_Q_N
WTR0_PRXBB_I_P
WTR0_PRXBB_I_N
WTR0_GNSSBB_Q_N
WTR0_GNSSBB_I_N
WTR0_GNSSBB_I_P
WTR0_GNSSBB_Q_P
WTR0_DRXBB_Q_P
WTR0_DRXBB_Q_N
WTR0_DRXBB_I_P
WTR0_DRXBB_I_N
WTR0_TX_HB2_OUT
WTR0_PRX_LB4_IN
WTR0_PRX_HB1_IN
WTR0_DAC_IREF
GNSS_IN_N
GNSS_IN_P
WTR0_GPDATA_0
WTR0_GPDATA_1
WTR0_SSBI_TX_GNSS
WTR0_SSBI_PRX_DRX
WFR0_SSBI_PRX_DRX
WTR0_PRX_LB1_IN
NOTE2
22nH inductor helps spurs for B3+B5 CA
31 44 33 47 24
2
23 56 17 37
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
USE ONLY FOR CA
90
126
100
NOTE1
NOTE1
NOTE2
CAUTION: YOU MUST CHECK & MODIFY RF PORT AND GPIO ON YOUR SCHEMATICS.
Rev_0.4
59 10
< 1-3-5-1_RFIC_CA_nCA_WTR1625 >
U1501
WFR1620
DNI
C1538
DNI
DNI
C1529
C1530
DNI
C1528
DNI
DNI
C1525
DNI
C1526
DNI
R1506
DNI
R1505
DNI
C1527
C1535
DNI
DNI
C1534
C1533
DNI
DNI
C1532
DNI
C1531
R1504 DNI
C1540
DNI