LG -E435 Service Manual page 43

WCDMA DUAL
C1085 8.2p
W1900_W2100_RTX
L1021
3.9n
TP2
C1111 33p
W850_W900_RTX
C1112
L1033
DNI 5.6n
LGE Internal Use Only
C1001 100p
C1003
0.5p
1
GND1
2
GND2
3
GND3
4
GND4
5
GND5
6
U1001
GND6
7
GND7
8
GND8
29
PGND1
30
PGND2
31
PGND3
32
PGND4
33
PGND5
34
PGND6
L1015 2n
C1076
DNI
FL1006
6 1
ANT RX
L1022 10p
3
TX
L1020
DNI 2 9
GND1 GND6
C1089 C1091
4 8
GND2 GND5
5 7 DNI 0.75p
GND3 GND4
1950MHz,2140MHz
Band I
PDET_IN
TP3
L1029 3.3p
RX_WCDMA_900_P
C1103
C1104
DNI 6.8n
L1031 3.3p
FL1007
6 1
ANT RX1
8
RX2
L1034 3.9p
3
TX
2
GND1
4 9
GND2 GND5
5 7 C1117
C1116
GND3 GND4
27n
8.2n
Band VIII
REV_1.1
C1002 6.8p
SW1000
2
ANT COMMON
1
G3 G4
C1005
L1037
3 4
27n
100n
TP1
44
PGND16
43
PGND15
42
PGND14
41
PGND13
22
GND10
21
TRX3
20
TRX2
19
TRX1
18
VRAMP
17
TXEN
16
MODE
15
GND9
40
PGND12
39
PGND11
38
PGND10
RX_WCDMA_HB
L1016
3.6n
VBAT
C1081 C1082
U1002
2.2u 330p
11
PGND
10
VCC VBAT
9
RF_OUT RF_IN
8
CPL_IN VMODE1
7
GND VMODE0
6
CPL_OUT VEN
REV_1.1
R1017
51
R1018 R1019
8dB
110 110
VBAT
C1096 C1097
2.2u 680p
U1003
11
PGND
10 1
VCC VBAT
9 2
RF_OUT RF_IN
8 3
CPL_IN VMODE1
7 4
GND VMODE0
6 5
CPL_OUT VEN
RX_WCDMA_900_M
REV_1.1
- 43 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
L1001
15n
W850_W900_RTX
W1900_W2100_RTX
C1022 1.2n
L1004
4.7n
C1046
100p
L1009
8.2n
C1080
Close to pin1
330p
1950MHz
C1087 3.3n
1 FL1004
L1023 4.7n
2 4 1
OUT IN
G3 G2 G1
3
3G_PAM_MODE
4 5 3 2
PA_R0
5
PA_ON0 C1090
0.5p
C1093 C1094
DNI DNI
TP4
C1095
680p
897.5MHz
FL1008
L1102 12n
C1101 4.7n
4 1
OUT IN
G3 G2 G1
3G_PAM_MODE
5 3 2
PA_R0
C1107
PA_ON1
DNI
C1109
C1110
DNI DNI
Only for training and service purposes
1
2
3
4
1
2
3
4
R1002
2.2K
C1047
39p
W1900_W2100_TX_OUT
C1088
C1126 C1123
DNI
DNI DNI
W850_W900_TX_OUT
C1108
DNI