LG -P715 Service Manual page 70

SW1001
G1
G2 ANT
L1002
DNI
GSM_PA_RAMP
TP3
R1003
GSM_HB_TX
DCS(1710-1785 MHz)
R1004
PCS(1850-1910 MHz) 10dB Atten
100
GSM_LB_TX
GSM850(824-849MHz)
R1009
10dB Atten.
GSM900(880-915MHz)
100
2mm
+VPWR
0603
C1032 C1033
10u 47p
TP2
ANT_SEL3
ANT_SEL2
ANT_SEL1
ANT_SEL0
LGE Internal Use Only
SW1002
ANT
1
G3
3
L1003
DNI
TP1
0603
R1002
2.2K
C1015
39p
68
R1005
100
R1007
68
R1008
100
0603
Schematic of GSM/DCS/PCS Tx Block
C1001 2.2n
2
COMMON
G4
4
L1004
0.5p
1
HB_IN
2
GND1
3
LB_IN
4
VAPC
5
U1002
VBATT
6
BS2
7
BS1
8
FEM
TXEN_
29
PGND1
30
PGND2
31
PGND3
32
PGND4
33
PGND5
34
PGND6
- 70 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
L1005
100n
44
PGND16
43
PGND15
42
PGND14
41
PGND13
22
GND5
21
GND4
20
GND3
19
GND2
18
ANT
17
WCDMA3
16
WCDMA2
15
WCDMA1
40
PGND12
39
PGND11
38
PGND10
Only for training and service purposes