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
L1022
22n
6
0
0
1
L
n
1
3
2
0
1
L
n
1
n
1
0
2
0
1
L
L1011
3.9n
7
3
0
1
C
p
8
1
7
4
0
1
C
p
8
1
R1014
1K
R1017
1K
1K
R1018
L1057
1.8n
L1021
12n
12n
L1008
L1018
10n
39p
C1030
L1012
DNI
n
1
9
0
0
1
L
DNI
L1007
0
0
0
1
L
F
15
1
2
3
4
5
6
7
8
9
4
2
5
2
6
2
7
2
8
2
3
1
2
1
1
1
0
1
0
3
9
2
23
22
21
20
19
18
17
16
4
1
1
X
R
1
D
N
A
B
GND5
GND6
GND7
GSM1800/1900RX1
GSM1800/1900RX2
GND8
GSM850RX1
GSM850RX2
9
D
N
G
0
1
D
N
G
1
S
T
M
U
1
X
R
8
D
N
A
B
2
X
R
8
D
N
A
B
1
D
N
G
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
X
T
8
D
N
A
B
X
T
1
D
N
A
B
UMTS2
GND3
VC1
VC2
VC3
VC4
VDD
GND4
ANT
BAND1RX2
L1002
56n
1K
R1016
C1020
1n
FB1001
120
VREG_RF_SW_2.7V
C1024
39p
SW1001
4
3
2
1
ANT
COMMON
G3
G4
1
0
0
1
C
p
0
0
1
SW1000
G1
ANT
G2
L1001
DNI
L1019
DNI
ANT_SEL2
ANT_SEL0
ANT_SEL3
PA_W2100_TX
PA_W900_TX
PRX_G850_INM
PRX_G850_INP
GSM_LOW
GSM_HIGH
PRX_W900_INP
PRX_DCS_PCS_INP
PRX_DCS_PCS_INM
PRX_W900_INM
ANT_SEL1
PRX_W2100_INM
PRX_W2100_INP
ANTENNA S/W LOGIC
DCS RX
EGSM RX
GSM850 RX
DCS/PCS TX
GSM850/900 TX
HIGH
LOW
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
LOW
LOW
LOW
HIGH
HIGH
LOW
HIGH
HIGH
LOW
LOW
LOW
HIGH
LOW
LOW
LOW
HIGH
LOW
LOW
LOW
LOW
LOW
HIGH
UMTS B8/B5
PCS RX
UMTS B4
UMTS B1/B2
ANT_SEL0
ANT_SEL3
GSM850(869 - 894 MHz)
DCS(1805-1880 MHz)
ANT_SEL2
LOW
W2100 RX(2110 - 2170 MHz)
W900 GSM900 RX(925 - 960 MHz)
ANT_SEL1
HIGH
PCS(1930-1990 MHz)
2 pi connector
Height: 1.35mm
Dual Rx Module
1 & 8 band: EAT61393401
1 & 5 band: EAT61393101
Apply Common PAD
LOW
LOW
LOW
HIGH
Question to vendor(?)
TP1
TP2
TP2
TP2