LG -E410 Service Manual page 54

ANT1003 ANT1001 ANT1005
1
1
1
HJ-ICT-06Y
HJ-ICT-06Y HJ-ICT-06Y
C1009
C1008
100p
100p
C1010
100p
DCS_PCS_TX
DCS(1710-1785 MHz)
PCS(1850-1910 MHz)
GSM850_GSM900_TX
GSM850(824-849MHz)
GSM900(880-915MHz)
LGE Internal Use Only
ANT1002
1
2
HJ-ICT-06Y
C1007
1
3.3n
C1127
1.2p
1
GND1
2
GND2
3
GND3
4
GND4
5
GND5
6
GND6
7
GND7
8
GND8
29
PGND1
30
PGND2
31
PGND3
32
PGND4
33
PGND5
34
PGND6
TP2
R1011
110
10dB
1 2
R1006
130
13dB
1 2
TP3
Schematic of GSM/DCS/PCS Tx Block
SW1000
C1001
1
ANT COMMON
12p
G3 G4
C1004
C1003
DNI 3 4
DNI
TP1
PGND16
PGND15
PGND14
PGND13
GND10
TRX3
U1001
TRX2
TRX1
VRAMP
TXEN
MODE
GND9
PGND12
PGND11
PGND10
VBAT
2mm
C1118 C1039 C1038
2 2
1n 100p
10u
1 1
C1125 C1124
DNI DNI
- 54 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
C1002 6.8p
2
L1001
C1005
15n
DNI
W850_W900_RTX
W1900_W2100_RTX
C1022 1.2n
44
43
42
41
22
21
20
19
18
17
16
15
C1046
100p
40
39
38
ANT_SEL1
ANT_SEL2
Only for training and service purposes
L1004
4.7n
1
L1009
8.2n
2