LG -E405 Service Manual page 50

ANT1002
1
HJ-ICT-06Y
ANT1001
1
HJ-ICT-06Y
2mm
VBAT
C1038
C1039
22u
47p
R1002
GSM_PA_RAMP
2.2K
TP3
LGE Internal Use Only
L1000 2.2n
C1003
1p
C1007
100p
TP2
ANT_SEL2
ANT_SEL1
ANT_SEL0
ANT_SEL3
C1047
39p
GSM_TX
GSM850(824-849MHz)
GSM900(880-915MHz)
DCS_PCS_TX
DCS(1710-1785 MHz)
PCS(1850-1910 MHz)
SW1000
2
ANT COMMON
1
3 G3 4 G4
C1004
DNI
TP1
GND
7
VBATT
18
GPCTRL2
17
GPCTRL1
19
GPCTRL0
U1001
20
TX_EN
21
VRAMP
22
PGND1
23
PGND2
24
GND2
8
C1049
56p
R1006
C1055
75
11dB
R1011
47
7dB
- 50 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
C1002 1.2n
C1005
L1001
DNI
100n
WCDMA_900_RTX
TRX2
13
TRX1
WCDMA_2100_RTX
12
RX2
11
RX1
10
GND7
16
GND4
6
GND3
9
GND8
2
GND1
1
22p
Only for training and service purposes