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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
DNI
C1513
0.1u
C1512
C1511
0.1u
0.1u
C1510
0.1u
C1509
C1507
4.7u
C1506
0.1u
0.1u
C1502
0.1u
C1503
0.1u
C1505
0.1u
C1504
4.7u
C1501
R1502
100
100
R1501
TOL=0.01
62
R1500
100p
C1500
+1V8_VREG_L10
+1V225_VREG_L1
1
17
26
9
5
6
57
45
58
59
60
53
22
15
61
52
30
8
21
14
37
20
7
31
U1500
WTR2605
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
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
+2V05_VREG_L9
0.1u
C1516
L1501
10n
0
R1507
C1508 100p
WTR_GNSS_RF_IN_1
WTR_PRX_LB2_IN
WTR_PRX_MB3_IN
WTR_TX1_OUT
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_Q_N
WTR0_GNSSBB_I_N
WTR0_GNSSBB_Q_P
WTR0_GNSSBB_I_P
WTR_XO_IN
WTR_PDET_IN
WTR_PRX_LB1_IN
WTR_TX3_OUT
WTR0_SSBI_PRX
WTR_TX2_OUT
WTR_PRX_MB1_IN
WTR_PRX_MB2_IN
WTR0_DAC_IREF
B8,G900
B5,G850
B5,G850
B5,G850
D370, D380, D373EU
B1, B5, B8
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
G1800,G1900
G1800,G1900
B1
GSM
B8
B2
B1
G900
B1, B5
B2
GSM
B1, B2, B5
B1, B5
D373, D375
B1, B5
D385
G900
B1, B5
*B1 RX
< 1-1-3-1_RFIC_WTR2605 >
*B2 RX
*G1800, G1900 RX
Close to WTR
STAR ROUTE
9dB att.
*B5(G850) RX
Rev_0.5
Tuning point (Inductor Placeholder)
*G900 /(B8) RX
*GSM QUAD TX
*B2 / B8 TX
*B1 & B5 TX