3. TROUBLE SHOOTING
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Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
SW1001
20549-001E
EAG63293301
4
3
2
1
ANT
COMMON
G3
G4
LDJ18829M24AD011
FL1000
ECA30240001
IN
1
Termination_Port
4
GND1
2
GND2
5
OUT
3
Coupling
6
100n
L1002
DNI
L1071
L1072
DNI
33p
C1113
1n
C1001
W_FL2-R-SMT-1_80
SW1000
EAG63412001
G1
G2
ANT
G3
TRX_ANT1
CPL_CPL
CPL_PDET_IN
TP1
L1001
12n
C1102 100p
1
2
C1018
33p
33p
C1020
C1017
33p
L1014
DNI
EAM62691501
FL1002
LFL18829MTCRD627
4
3
5
2
6
1
IN
G3
G1
NC
OU
T
G2
1.5p
L102
3
1n
C1103
L1016
DNI
0
R1002
DNI
L1012
L102
2
2.2
p
FL1004
EAM62691501
LFL18829MTCRD627
IN
1
G3
6
G1
2
NC
5
OU
T
3
G2
4
VPA_BATT
DNI
C1021
3.9p
C1006
L1019
DNI
2.7p
L1021
DNI
L1015
L1010
DNI
C1022
1.5n
DNI
C1031
3p
C1015
DNI
L1006
R1001
49.
9
C1012
DNI
L1000
DNI
33p
C1002
33p
C1003
DNI
L1003
8.2n
L1005
VPA
VPA_GSM
+1V8_VREG_S3A_RF
L1020
DNI
33p
C1030
0
R1004
0
R1003
100p
C1000
C1011
100n
33p
C1033
L1018
DNI
33p
C1029
33p
C1028
33p
C1013
C1014
33p
L1008
DNI
C1034
33p
L1024
1p
U1001
EAN62765801
ACPM-7600-TR1
43
42
41
40
39
37 38
35
36
34
26
27
28
29
30
31
32
33
23
22
9
12
7
20
21
19
15
2
18
8
10
11
14
16
17
13
1
25
6
5
4
3
24
RFOUT_GSM_HB
RFIN_B26
RFIN_B5_B8
GND1
VIO
GND13
RFIN_B1_B2
RFIN_GSM_HB
GND7
GND6
RFIN_GSM_LB
VBATT
GND3
SCLK
GND8
RFIN_B3_B4
GND5
GND9
GND11
GND10
GND2
GND4
SDATA
RFOUT_GSM_LB
GND12
RFOUT_B4
RFOUT_B2
RFOUT_B5_B26
GND14
RFOUT_B8
VCC1
VCC2
VCC_GSM
RFOUT_B3
GND15
RFOUT_B1
GND16
CPL_OUT
GND17
GND18
GND19
GND20
PGND
C1007
10u
1n
C1117
R1023
5.1
0
R1020
27
n
L1009
1K
R1026
C1032
5.6n
RFFE1_DATA
RFFE1_CLK
TX_OUT_MB4
TX_OUT_MB3
TX_OUT_LB4
TX_OUT_LB3
TX_OUT_MB2
TX_PA_OUT_B3
TX_PA_OUT_B2_B25
TX_PA_OUT_B8
TX_PA_OUT_B5_B26_BC0_BC10_ET
TX_PA_OUT_B4
TX_PA_OUT_B1
BC0/BC10
1800, 1900
B8
B5/B6/B19/B26
B2/B25
B4
B3
B8
B5, B6, B19, B26, BC0, BC10
B3, B4
Closed to PA
BC1, B1, B2, B25
B1
4/4_QCT_R-013545
4/4_QCT_R-013547
RC snubber
TP2
TP3