3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
C21111
33p
C21126
33p
1
2
FL21010
3
9
7
5
6
1
4
10
8
2
GND1
PORT1-
PORT3-
PORT2-
PORT3+
CTL
PORT2+
PORT1+
VDD
GND2
C20008 33p
C21123
100p
1
2
+2V7_VREG_L16
L21000
2.2n
C21124
1n
C20009 33p
DRX_B7_INP
DRX_B7_INM
DRX_B7_B40_INM
B40_B7_SEL
DRX_B7_B40_INP
DRX_B40_INM
DRX_B40_INP
L
H
B40_B7_SEL
LTE7_RX
LTE40_RX
TP7
FL2006
5
2
6
4
3
1
VD
D
GND
PORT
2
ANT
PORT
1
VCTL
C2045
33p
C2036
33p
100p
C2086
L2000
DNI
1.2n
C2003
C2042
33p
8.2n
C2085
DNI
L2004
DNI
L2024
C2142 2.2n
L2010
10n
C2043
3.3p
C2087
100p
DNI
L2001
L2069
DNI
U2001
4
5
3
6
2
7
1
8
GND3
VD
D
VCTR
L
RFIN
RFOUT2
GND1
RFOUT1
GND2
2
C2088 9p
C2033
33p
+2V7_VREG_L16
10
R2005
L2081
15n
C2129
33p
C2006
100p
C2019
100n
C2012
6.8p
2.2n
L2035
L2005
39n
C2000
100p
C2133
33p
FL2001
10
8
9
4
7
5
1
6
3
2
G1
G2
G4
ANT
G3
G7
GPS/GLONASS_OUT
Non-GPS/GLONASS_OUT
G5
G6
1p
L2068
L2008 8.2n
FL2004
4
5
1
3
2
G1 O1
IN
G2 O2
L2007
DNI
L2020
DNI
820
R2003
L2038
DNI
C2128
33p
FL2003
4
5
1
3
2
G1 O1
IN
G2 O2
C2130
33p
C2143
0.5p
L2028 8.2n
GND
+2V7_VREG_L16
DRX_SW_SEL2
GNSS_ELNA_EN
DRX_B5_B8_INM
GNSS_INM
GNSS_INP
DRX_B7_INP
DRX_B5_B8_INP
DRX_B7_INM
REV_A(04/26)
Rev.B(5/18)
HIGH
LOW
B8_DRX
B7_DRX
B7_DRX
B5_B8_DRX
GNSS RX
Rev.B(5/24)
TP2
TP3
TP1
TP5
TP6
TP4