3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
3.5.1.2 Checking RF signal path
BOT
U2002
TP1
TP3
TP2
C1048 12n
12n
C1034
DNI
L1021
U1005
EAT61914401
DGM337M06
46
45
44
43
42
41
17
40
13
12
18
26
19
31
21
20
38
39
3
28
1
27
2
11
4
22
5
23
24
34
25
32
33
29
35
30
36
16
8
15
10
14
9
37
7
6 RX_BAND2_1
RX_BAND2_2
VI
O
GSM_HB_RX_1
GND8
GSM_HB_RX_2
RX_BAND5_1
GND4
RX_BAND5_2
VD
D
TRX3
GND14
GSM_LB_TX
GND13 GND12
TRX1
AN
T
TX_BAND2
GND11
GND3
TX_BAND1
RX_BAND1_2
GND5
GND2
TX_BAND8
GND1
GSM_HB_TX
RX_BAND1_1
SCLK
SDAT
A
GND10
TRX2
TRX4
RX_BAND8_2
TX_BAND5
RX_BAND8_1
GND6 GND7
GND15
GND9
GND16
GND17
GND18
GND19
GND20
GND21
C1042 1n
C1014
33p
C1035 1n
C1028
7p
C1011
33p
C1056 12n
L1031
DNI
C1037
7p
L1024
1p
L1018
9.1n
12n
C1029
L1009
4.7n
GND
PRX_B1_INM
PRX_B1_INP
PRX_B5_G850_INP
PRX_B5_G850_INM
PRX_G1800_G1900_INP
PRX_G1800_G1900_INM
PRX_B8_G900_INP
PRX_B8_G900_INM
TX_ANT_B8
TX_ANT_B1
TX_ANT_B5
TX_ANT_GSMLB
PRX_B2_INP
PRX_B2_INM
TRX_ANT_B3
TRX_ANT_B20
TX_ANT_B2
TX_ANT_GSMHB
REV_A(04/22)
REV_B(05/18)