LG -E615 Service Manual page 42

SW1002
G1
G2 ANT
VBAT
R1002
GSM_PA_RAMP
2.2K
C1058
U1003
C1059 10p
1
RFIN
2
EN
L1020
3
2n
GS
C1062
100p
WCDMA_HB_RTX
TP2
W900 Tx (880-915MHz)
[Duplexer]
BC 1 B7697 SDMY0003001
BC 2 ACMD-7407 SDPY0004701
BC 5 B7671 SDDY0005101
BC 8 B7953 SDMY0002801
W900
L1041
WCDMA_LB_RTX
39p
L1044 L1045
22n 6.2n
LGE Internal Use Only
L1001
1n
R1001
C1001
DNI
DNI
TP1
2mm
ANT_SEL2
ANT_SEL1
C1013
C1014
22u
ANT_SEL0
47p
ANT_SEL3
C1028
39p
GSM_TX
GSM850(824-849MHz)
DNI
EXT_LNA_EN
6
RFOUT
27K
R1017
5
RREF
4
VCC
7
C1063
10n
VREG_TCXO_2.85V
FL1004
C1074
6
ANT
2.7p
L1026
L1027
2
3.3n
1.8n GND1
4
GND2
5
GND3
1950MHz,2140MHz
TP3
12n
C1087
FL1008
6 1
ANT RX1
8
RX2
3
TX
2
GND1
4 9
GND2 GND5
5 7
GND3 GND4
L1004
100n
GND
7
VBATT
18
GPCTRL2
17
GPCTRL1
19
GPCTRL0
20
TX_EN
21
VRAMP
22
PGND1
23
PGND2
24
GND2
8
R1004
C1104
91
DNI
L1016
6.8p
C1065
C1038
100p
W2100 Tx (1920-1980MHz)
1
RX
L1028 1n
3
TX
9
GND6
8
8.2n C1080
GND5
7
DNI
C1078
GND4
6dB Atten.
R1022
PDET_IN
43
R1023
180
L1031 10n
RX_WCDMA_900_P
L1032
DNI
L1034 10n
RX_WCDMA_900_M
18n
2.7p
C1097
L1046
- 42 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
TRX2
TRX1
RX2
RX1
GND7
U1002
GND4
GND3
GND8
GND1
100p
RX_WCDMA_1900
RX_WCDMA_2100
C1067 C1068
10u 33p
11
PGND
10
VCC2
9
RFOUT
8
ISO
7
GND
6
CPL
R1024
180
C1084 C1085
10u 33p
11
PGND
10
VCC2
9
RFOUT
8
CPL_IN VMODE_1
7
GND VMODE_0
6
CPL_OUT
R1021
Only for training and service purposes
13
12
11
10
16
6
9
2
1
C1070
1n
U1004
1
VCC1
2
RFIN
3
NC
4
VMODE
5
VEN
C1082 C1083
100p
100p
C1086
1n
U1005
1
VCC1
2
RFIN
3
4
5
VEN
C1099
C1100
100p
100p