LG LG-P350 - Page 79

4. TROUBLE SHOOTING
- 79 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

ͽ͸ͶͺΟΥΖΣΟΒΝΆΤΖ΀ΟΝΪ

G
G
Schematic of the Antenna Switch Block
G
G
TP1
C1018
39p
19
9001R
C1045
1n
C1049
1n
C1046
1n
C1042
47p
19
8
0
01
R
C1106
DNI
75
R1006
VBATT
031
5001R
47
R1003
031
4001R
R1002
2.2K
U1001
31
30
29
44
43
42
41
40
39
38
73 63
53
16
15
41 31 21
1
1
01
34
33
32
17
9
18
8 19
7 20
6 21
5 22
4
3
2
3
42
2
5
2
62
72
8
2
1
DCS_PCS_IN
11
DN
G
0
1DN
G
9DNG 8DNG
GND1
7
D
N
G
GSM_IN
6DNG
VAPC
GND5VBATT
GND4BS2
GND3BS1
GND2_TXEN
ANT
EDO
M
WCDMA3
PGND4
PGND5
PGND6
PMET
4XR 3X
R
2X
R
1XR
WCDMA1
WCDMA2
7DNGP 8D
N
GP
9D
N
GP
PGND10
PGND11
PGND12
PGND13
PGND14
PGND15
PGND16
PGND1
PGND2
PGND3
C1043
1n
GSM_PA_RAMP
ANT_SEL3
ANT_SEL0
ANT_SEL2
ANT_SEL1
GSM_TX
DCS_PCS_TX
8061
0603
0603
0603
DCS(1710-1785 MHz)
PCS(1850-1910 MHz)
GSM900(880-915MHz)
GSM850(824-849MHz)
7dB
11dB
2mm
TP1