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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
VREG_L6_1V8
+VPA_BATT0
DNI
C1201
C1203
10u
L1200
1.5u
C1202
1n
10u
C1200
+VPA0
LM3263
U1201
B1
D3
C1
C3
C2
B2
A4
C4
A2
D2
D4
D1
A3
B3
A1
B4
PACB
PVIN1
BGND
PGND
SCLK
SVDD
GPO1
SW
1
ACB2
ACB1
SW
2
SDATA
FB
VIO
SGND
PVIN2
0
R1503
R1504
0
6.3V
C1506
0.1u
0.1u
C1502
6.3V
0.1u
C1504
0.1u
C1505
0.1u
C1503
C1507
6.3V
4.7u
C1511
0.1u
4.7u
6.3V
C1501
0.1u
C1512
0.1u
C1510
C1509
0.1u
6.3V
C1500 100p
R1502
100
100
R1501
U1500
VDD_RF1_G_LO
31
TX1_OUT
7
GND12
38
VDD_RF1_LNA
20
VDD_RF2_T_VCO
37
GND6
28
GND1
14
VDD_RF1_G_PLL
21
SSBI_RX
8
VDD_RF1_R_LO
30
VDD_RF2_T_PLL
52
RX_BB_IP
61
GND2
15
PDET_RFFB_IN
22
GP_DATA0
53
XO_IN
60
VDD_RF3_IO
59
GP_DATA1
58
GNSS_BB_QP
45
GND14
44
GND16
50
GP_DATA2
57
TX3_OUT
6
RX_LB1_IN
5
RX_MB2_IN
9
VDD_RF1_T_LO
26
GND3
17
TX2_OUT
1
GND15
47
RX_BB_QP
49
GND13
42
GND9
33
GND4
25
DAC_REF
24
TX_BB_QP
18
TX_BB_IM
12
RX_LB2_IN
10
RX_MB3_IN
3
TX_BB_IP
2
GNSS_RF_IN
11
VDD_RF2_R_PLL
40
GNSS_BB_QM
41
RX_BB_IM
55
VDD_RF2_XO
54
RX_BB_QM
43
VDD_RF1_DIG
48
VDD_RF2_R_BB
19
DNC
36
GND10
34
VDD_RF1_R_VCO
39
GND11
35
GND5
27
GND8
32
GND7
29
GNSS_BB_IM
51
RF_ON
13
VDD_RF2_T_DA
16
VDD_RF1_T_PLL
46
TX_BB_QM
23
RX_MB1_IN
4
SSBI_TX_GNSS
56
GNSS_BB_IP
62
1u
C1516
62
R1500
C1513
DNI
C1508
100p
L1501
10n
VREG_L10_1V8
VREG_L9_2V05
VREG_L1_1V225
0
R1401
+VPA_BATT0
+VPWR
RFFE1_CLK
RFFE1_DATA
WTR0_SSBI_TX_GNSS
WTR0_XO_IN
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
WTR0_TXBB_Q_N
WTR0_TXBB_I_P
WTR0_TXBB_I_N
WTR0_TXBB_Q_P
WTR0_DAC_IREF
WTR0_GPDATA_1
WTR0_GPDATA_0
WTR0_SSBI_PRX
WTR_TX1_OUT
WTR_GNSS_RF_IN_1
WTR_PRX_MB_3_IN
WTR_XO_IN
WTR_XO_IN
WTR_PRX_LB_2_IN
WTR_PRX_MB_2_IN
WTR_PRX_LB_1_IN
WTR_PDET_IN
WTR_TX3_OUT
WTR_TX2_OUT
WTR_PRX_MB_1_IN
EXT LNA + Filter
9dB att.
STAR ROUTE
Near WTR
DNI
DNI
0ohm
0ohm
WTR_GNSS_RF_IN2
WTR_GNSS_RF_IN1
R1607
R1606
BOM CHANGE
Rev_0.3
G QUAD / W(B1,2,5)G QUAD / W(B2,4,5)
B1
B2,B5
B2
GSM QUAD
B4
B2,B5
B5(G850)
G900
B1
B2
G1800,G1900
GSM QUAD
WTR2605
TX1_OUT
TX2_OUT
TX3_OUT
RX_LB1_IN
RX_LB2_IN
RX_MB1_IN
RX_MB2_IN
RX_MB3_IN
GSM QUAD
B1
B2,B8
B5(G850)
G900
B4
B2
G1800,G1900
G1800,G1900
B1
G850
G QUAD / W(B1,2,8)
B8(G900)
< 1-1-3-1_RFIC_WTR2605 >
< 1-1-2-1_PT_APT_LM3263 >