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< 1-3-6-5_TRX_B20 > Rev_0.3
TRX B20
ANT_TRX_B20
< 1-3-6-8_TRX_CMCC_B40 > Rev_0.3
TX_B40
C1807
DNI
ANT_TX_B40
RX_B40
C1835
DNI
ANT_PRX_B40
12p
LGE Internal Use Only
< 1-3-6-7_TRX_B7 >
Rev_0.4
TRX B7
FL1750
C1756
1.8n
6
1
ANT_TRX_B7
ANT
RX
3
TX
2
8
GND1
OPT
4
7
GND2
GND4
5
9
GND3
GND6
L1700
B20 PRX
C1700
100p
WTR0_PRX_LB1_IN
18n
C1701
8.2p
+VPWR
+1V8_VREG_L10
+VPA0
U1700
RF7920
FL1700
C1711
SCLK
SDATA
6
1
6
5
ANT
RX
GND
VIO
5.6n
7
4
C1710
5.6n
NC
VBATT
3
8
3
TX
RF_OUT
RF_IN
L1703
9
2
VCC2
VCC1
22n
2
9
10
1
GND1
GND6
PGND
4
8
L1708
11
L1705
GND2
GND5
5
7
DNI
DNI
GND3
GND4
B17
EAN62699601
B17
EAM62870401
B20
EAN62868001
B20
EAM62870501
+VPWR
+1V8_VREG_L10
+VPA0
U1803
RF7940
RFFE1_CLK
SCLK
SDATA
RFFE1_DATA
6
5
GND
VIO
FL1801
885049
7
4
NC
VBATT
C1818
DNI
L1805
4
1
8
3
OUT
IN
RF_OUT
RF_IN
G3
G2
G1
9
2
VCC2
VCC1
5
3
2
10
1
PGND
11
L1809
DNI
VDD CTRL
PORT 1
H
H
PORT 2
H
L
L1816
DNI
C1831
DNI
WTR0_PRX_HB1_IN
1.2n
B40 PRX
L1817
DNI
885049
FL1804
1
4
L1819
DNI
IN
OUT
C1834
DNI
G1 G2 G3
2
3
5
B40 PRX
WTR0_PRX_HB3_IN
MIPI APT
33p
C1750
15p
L1753
L1754
+VPWR
1.2n
+VPA0
+1V8_VREG_L10
C1753
15p
RF7907
U1751
SCLK
SDATA
6
5
GND
VIO
7
4
C1757
NC
VBATT
8
3
RF_OUT
RF_IN
9
2
5.6p
VCC2
VCC1
10
1
PGND
11
L1757
10n
RFFE1_CLK
RFFE1_DATA
FL1805
B20 TX
C1702
33p
4
1
C1704
33p
OUT
IN
WTR0_TX_LB3_OUT
G3
G2G1
5
3
2
842MHz
VDD CTRL
PORT 1
H
H
B40 TX
PORT 2
H
L
DNI
C1814
DNI
WTR0_TX_HB2_OUT
B40 TX
- 192 -
B7 TX
RFFE1_CLK
RFFE1_DATA
L1752
L1759
C1760
33p
WTR0_TX_HB1_OUT
33p
33p
C1755
3.3n
Copyright © 2014 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
Only for training and service purposes
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