LG -P500 Service Manual page 93

4. TROUBLE SHOOTING
ANT1002
C1007
100p
GSM_PA_RAMP
DCS_PCS_TX
DCS(1710-1785 MHz)
PCS(1850-1910 MHz)
GSM_TX
GSM850(824-849MHz)
GSM900(880-915MHz)
2mm
+VPWR_RF
WCDMA_900_RTX
WCDMA_2100_RTX
LGE Internal Use Only
ANT1003
R1004
C1003
3.3n
15p
C1009
R1005
8.2n
0.75p
R1006
2.2K
C1024
39p
R6
47
7dB
R7
75
11dB
0603
0603
C1045 1n
C1044
C1043
C1047 1n
47p
10u
C1048 1n
C1051 1n
ANT_SEL3
ANT_SEL2
ANT_SEL0
ANT_SEL1
TP2
C1079
DNI
18p L1021
C1081
5.6n
TP2
C1090
12p
L1031
L1035
DNI
2.7n
GND
3 4
G3 G4
1
ANT COMMON
2
SW1001
TP1
C1005 33p
L11
DNI
1
DCS_PCS_IN
2
GND1
3
GSM_IN
4
VAPC
5
VBATT
6
BS2
U1002
7
BS1
8
_TXEN
29
PGND1
30
PGND2
31
PGND3
32
PGND4
33
PGND5
34
PGND6
FL2
C12
6 1
ANT RX
100p
3
TX
2 8
GND1 GND6
4 9
GND2 GND5
5 7
GND3 GND4
897.5 MHz,942.5 MHz
Band VIII
FL1008
6 1
ANT RX
3
TX
2 9
GND1 GND6
4 8
GND2 GND5
5 7
GND3 GND4
C13
100p
Band I
- 94 -
Copyright © 2010 LG Electronics. Inc. All right reserved.
L1004
18n
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
L1130
27n
L1120
DNI
Only for training and service purposes