4. TROUBLE SHOOTING
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Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
L1057
1.8n
0
0
0
1
L
F
1
2
3
4
5
6
7
6
2
7
2
8
2
2
D
N
G
X
T
0
0
9
/
0
5
8
M
S
G
X
T
0
0
9
1
/
0
0
8
1
M
S
G
VC1
VC2
VC3
VC4
VDD
GND4
ANT
L1002
56n
C1020
1n
FB1001
120
VREG_RF_SW_2.7V
1
0
0
1
C
p
0
0
1
L1001
DNI
Dual Rx Module
1 & 8 band: EAT61393401
1 & 5 band: EAT61393101
TP1
C1016
22u
L1013
3.9n
C1019
56p
10n
C1018
C1029
10p
C1017
10n
0.5p
C1040
C1032
1p
L1015
3.3n
C1039
5.6p
L1016
2.4n
1n
C1045
C1041
1p
1n
C1042
100p
C1028
L1017
2.2n
L1014
5.1n
1n
C1044
1n
C1043
+VPWR
U1000
12
13
14
15
16
17
6
5
7
4
8
3
9
2
10
1
11
GND3
RFIN_HB
GND2
VBATT
RFOUT_LB
VEN_HB
RFIN_LB
VMODE0
GND1
VMODE1
VEN_LB
PGND
RFOUT_HB
GND6
GND5
VCC
GND4
C1031
DNI
PA_R1
PA_R0
PA_ON_GHB
PA_ON_GLB
GSM_LOW
GSM_HIGH
GSM_TX
DCS_PCS_TX
Close to Vcc Pin.
GSM
33uF / Tantal: ECTH0001904
TP2
TP3
TP4
TP5