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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
R1506
0
R1505
0
0.1u
C1512
12
p
C1513
100p
C1508
0.1u
C1511
C1510
0.1u
C1509
0.1u
+2V05_VREG_L9
4.7u
C150
7
4.7u
C150
1
0.1u
C1516
0.1u
C1506
C1505
0.1u
R1502
100
U1500
62
56
4
23
46
16
13
51
32
39
36
19
48
43
54
55
41
40
11
2
3
10
12
18
24
25
49
1
17
26
9
5
6
57
45
58
59
60
53
22
15
61
52
30
8
21
14
37
20
7
31
VDD_RF1_G_LO
TX1_OUT
GND12
38
VDD_RF1_LNA
VDD_RF2_T_VCO
GND6
28
GND1
VDD_RF1_G_PLL
SSBI_RX
VDD_RF1_R_LO
VDD_RF2_T_PLL
RX_BB_IP
GND2
PDET_RFFB_IN
GP_DATA0
XO_IN
VDD_RF3_IO
GP_DATA1
GNSS_BB_QP
GND14
44
GND16
50
GP_DATA2
TX3_OUT
RX_LB1_IN
RX_MB2_IN
VDD_RF1_T_LO
GND3
TX2_OUT
GND15
47
RX_BB_QP
GND13
42
GND9
33
GND4
DAC_REF
TX_BB_QP
TX_BB_IM
RX_LB2_IN
RX_MB3_IN
TX_BB_IP
GNSS_RF_IN
VDD_RF2_R_PLL
GNSS_BB_QM
RX_BB_IM
VDD_RF2_XO
RX_BB_QM
VDD_RF1_DIG
VDD_RF2_R_BB
DNC
GND10
34
VDD_RF1_R_VCO
GND11
35
GND5
27
GND8
GND7
29
GNSS_BB_IM
RF_ON
VDD_RF2_T_DA
VDD_RF1_T_PLL
TX_BB_QM
RX_MB1_IN
SSBI_TX_GNSS
GNSS_BB_IP
+1V225_VREG_L1
+1V8_VREG_L10
100
R1501
62
R500
10n
L1501
C1500 100p
0.1u
C1504
0.1u
C1503
0.1u
C1502
WTR_PRX_MB_2_IN
WTR_PRX_LB_2_IN
WTR_PRX_MB_1_IN
WTR_PRX_LB_1_IN
WTR_TX3_OUT
WTR_PDET_IN
WTR_TX1_OUT
WTR_PRX_MB_3_IN
WTR0_TXBB_Q_N
WTR0_TXBB_I_P
WTR0_TXBB_I_N
WTR0_GPDATA_1
WTR0_GPDATA_0
WTR0_TXBB_Q_P
WTR0_SSBI_TX_GNSS
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
WTR0_XO_IN
WTR_XO_IN
WTR_XO_IN
WTR0_SSBI_PRX_DRX
WTR0_GNSSBB_Q_N
WTR0_DAC_IREF
WTR_GNSS_RF_IN_1
Rev.D
0902_Change
QMC review
B1, B5
B2
G900
Pin40, 52,37,16
Replace_0621
Replace_0621
QMC_review_0717
GSM
G1800,G1900
B1, B5
B8(G900)
G1800,G1900
GSM
G850
B1
B1, B8
B2, B5
B5(G850)
G900
B2
G850
B8(G900)
B5(G850)
B5(G850)
B2, B5
B2
B1, B8
B5(G850)
B4
B2, B5
B2, B8
B1
BC15
BC1
BC0(BC10)
BC1
BC0(BC10),BC15
Metro PCS
B8(G900)
B1
B1, B2, B5
GSM
B1
G1800,G1900
WTR2605
TX1_OUT
TX2_OUT
TX3_OUT
RX_LB1_IN
RX_LB2_IN
RX_MB1_IN
RX_MB2_IN
RX_MB3_IN
CDMA
SPCS
BC0(BC10)
BC1
BC0(BC10)
BC1
BC1
BC0(BC10)
BC1
BC0(BC10)
VZW
G1800,G1900
B2
B4
G900
B5(G850)
GSM
B2, B4, B5
RX_MB3_IN
RX_MB2_IN
RX_MB1_IN
RX_LB2_IN
RX_LB1_IN
TX3_OUT
TX2_OUT
TX1_OUT
WTR2605
B1, B8
B5
B1
G1800,G1900
G1800,G1900
< 1-1-3-1_RFIC_WTR2605 >
GSM
G900
GSM
B2, B5
B1, B5, B8
QMC review
WCDMA
G1800,G1900
B2
B1
GSM
B1, B2, B8
Rev_0.6
Delete for not using DRX
EXT LNA + Filter
INT(WFR2600) LNA + EXT Filter
9dB att.
STAR ROUTE
Near WTR
Tuning point (Inductor Placeholder)