4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
C1003
1p
L1000 2.2n
C1007
100p
L1004
2.7n
C1005
DNI
VBAT
L1009
8.2n
C1047
39p
ANT1002
HJ-ICT-06Y
1
DNI
C1004
2.2K
R1002
ANT1001
HJ-ICT-06Y
1
R1012
13
0
47
R1011
R1013
13
0
75
R1006
R1007
91
U1001
24
17
18
19
13
12
6
5
3
1
2
16
20
15
14
4
22
11
10
9
8
7
23
21
TX_EN
PGND1
GND
GND2
GND3
RX1
RX2
VRAMP
GND5
AN
T
GND6
GPCTRL0
GND7
GND8
GND1
RFIN_LB
RFIN_HB
GND4
TRX1
TRX2
GPCTRL1
VBATT
GPCTRL2
PGND2
R1008
91
SW1000
4
3
2
1
ANT
COMMON
G3
G4
47p
C1039
1.2n
C1002
56p
C1049
33p
C1022
C1046
100p
C1038
22u
C1055
22p
L1001
100n
C1042
DNI
DNI
C1044
C1045
DNI
5
3
2
4
1
DNI
C1043
GSM_PA_RAMP
ANT_SEL2
ANT_SEL1
ANT_SEL3
ANT_SEL0
GSM_TX
DCS_PCS_TX
WCDMA_900_RTX
WCDMA_2100_RTX
11dB
7dB
PCS(1850-1910 MHz)
1608
DCS(1710-1785 MHz)
GSM850(824-849MHz)
2mm
GSM900(880-915MHz)
TP1