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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
L11064
DNI
51
R1101
1
L11069
0.5p
4.7u
C1109
4
DNI
L11074
L11070
DNI
VBAT
1n
1n
C1109
6
C1110
4
1n
L11061
0.5p
L11065
DNI
L11067
3.9n
C1109
5
22u
C11107
1p
L11060
DNI
L11063
3.3n
L11073
4.7n
L11059
2.7n
U11008
25
12
24
18
17
19
16
20
15
21
14
22
13
23
6
5
7
4
8
3
9
2
10
1
11
UMTS_LB_RF_IN
UMTS_HB_RF_IN
GSM_LB_RF_IN
GSM_HB_RF_IN
LB_EN
HB_EN
VBATT
VMODE0
GND1
VMODE1
MODE
GND2
GSM_LB_RF_OUT
UMTS_HB_RF_OUT
GND3
GND4
GSM_HB_RF_OUT
UMTS_LB_RF_OUT
GND5
GND6
VCC_GSM
VCC_UMTS
CPL_RF_OUT
CPL_RF_I
N
GND_SLUG
TX_GSM_HB
PA_DET_MMMB
+VSMPS
TX_ANT_LU2100
TX_ANT_U900
TX_GSM_LB
GSM(QUAD)_U1/8(EU) MMMB
TP2
+VPWR
C11105 33p
33p
C11088
C11093
33p
L11057
DNI
L11058
DNI
L11068
DNI
C11084
33p
FL11011
Part Name=SAFEB897MAM0F00
897.5 MHz
Vendor=MURATA
5 3 2
4
1
IN
OUT
G1
G2
G3
C11106
2.2n
L11072
DNI
2.7n
L11066
C11103
1n
C11102
100p
C11101
100p
100p
C1110
0
100p
C11099
100p
C11098
C11097
22u
L11071
15n
6
5
7
4
8
3
9
2
10
1
11
UMTS_LB_RF_IN
UMTS_HB_RF_IN
GSM_LB_RF_IN
GSM_HB_RF_IN
LB_EN
HB_EN
VBATT
VMODE0
GND1
VMODE1
MODE
PA_ON1_GSMHB
PA_ON0_GSMLB
PA0_R1
PA0_R0
MMMB_MODE
TX_OUT_GSM_LB
TX_OUT_GSM_HB
TX_OUT_LU2100
TX_OUT_U900
TP3