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
L1014
0.5p
L1011
0.75p
12n
L1010
L1013
33n
L1003
82n
L1006
0.5p
L1004
8.2n
FL1001
1842.5MHz,1960MHz
10
3
5
2
8
1
9
6
7
4
IN_1842_5
OUT_1842_5_1
OUT_1842_5_2
OUT_1960_1
IN_1960
OUT_1960_2
GND1
GND3
GND2
GND4
C1059
1.2n
C1057
2.2n
C1063
1.2n
C1053
2.2n
12n
C1023
10n
L1007
12n
C1025
C1014
3.3p
C1012
3.3p
FL1000
881.5MHz,942.5MHz
10
3
5
2
8
1
9
6
7
4
IN_881_5
OUT_881_5_1
OUT_881_5_2
OUT_942_5_1
IN_942_5
OUT_942_5_2
GND1
GND3
GND2
GND4
DNI
L1000
C1013
100p
3.9n
C1018
L1005
DNI
C1056
2.4n
DNI
L1009
C1058
18p
4.7n
L1012
GND
WCDMA_LB_RTX
WCDMA_HB_RTX
GSM900_RX_M
GSM900_RX_P
PCS_RX_M
PCS_RX_P
GSM850_RX_P
GSM850_RX_M
DCS_RX_P
DCS_RX_M
GSM Quad
DCS(1805-1880 MHz)
PCS(1930-1990 MHz)
GSM(925-960 MHz)
GSM(869-894 MHz)
Schematic of GSM/DCS/PCS Tx Block
TP2