LG P705 - Page 40

4. TROUBLE SHOOTING
- 40 -
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
For testing, Max power output is needed.
5001R
031
4001R
031
SW1001
43
2
1
ANT
COMMON
G3 G4
1.8n
C1094
R1003
47
C1033
10u
DNI
L1043
2.7n
C1106
DNI
L1042
C1009 100p
33
R1006
1n
C1049
U1001
GND1
2
VBATT
5
01DNG
72
GND2
19
9DNG
62
GND3
20
8DNG
52
GND4
21
ANT
18
PGND3
31
PGND2
30
PGND1
29
GND5
22
6DNG
32
7DNG
42
PGND6
34
PGND5
33
PGND4
32
7DNGP
53
8DNGP
63
9DNGP
73
PGND10
38
PGND11
39
PGND12
40
PGND13
41
PGND14
42
PGND15
43
PGND16
44
HB_IN
1
11DNG
82
LB_IN
3
VAPC
4
BS2
6
BS1
7
TXEN_
8
EDOM
9
WCDMA3
17
PMET
01
4XR
11
3XR
21
2XR
31
1XR
41
WCDMA1
15
WCDMA2
16
R1000
2.2K
L1001
DNI
VBAT
FL1001
3
2
1
4
IN_1842_5
IN_1960
GND1
GND2
100n
L1002
8001R
19
47p
C1034
C1051
1n
C1052
1n
C1050
1n
9001R
19
C1024
39p
FL1000
3
2
1
4
IN_881_5
IN_942_5
GND1
GND2
DNI
L100
0
C1013
100p
3.9n
C1018
L100
5
DNI
C1056 2.4n
DNI
L1009
C1058
18p
4.7n
L1012
SW1000
G1
ANTG2
ANT_SEL[2]
ANT_SEL[1]
GSM_PA_RAMP
WCDMA_LB_RTX
ANT_SEL[3]
GSM_LB_TX
GSM_HB_TX
ANT_SEL[0]
WCDMA_HB_RTX
GSM850(824-849MHz)
GSM900(880-915MHz)
FEM
2mm
7.4dB
7dB
PCS(1850-1910 MHz)
DCS(1710-1785 MHz)
0603
0603
0603
TP1
C1071
100p
VBAT
L1021
DNI
C1073
6.8n
4.7n
L1018
1950MHz, 2140MHz
FL1005
95
84
72
3
6 1
RXANT
TX
GND1 GND4
GND2 GND5
GND3 GND6
2101R
001
FL1004
1950MHz
5 2
4 1
3
G3
INOUT
G1G2
9701C
p001
p001
8701C
p001
6701C
L1015
8.2n
100p
C1081
L1030
6.8n
15n
L1029
L1016
DNI
U1002
PGND1
15
IN_BAND_VIII
1
OUT_BAND_VIII
14
VMODE_0
2
GND3
13
VMODE_1
3
VCC2_2
12
VCC2_1
4
GND2
11
VEN_BAND_VIII
5
OUT_BAND_I
10
VEN_BAND_I
6
GND1
9
IN_BAND_I
7
CPL_OUT
8
PGND2
16
330p
C1066
1n
C1065
DNI
C1083
L1022
3.3n
1p
C1074
12n
C1072
18pC1064
C1082
2.2n
5.6n
L1020
897.5 MHz
FL1003
5 3 2
4 1
INOUT
G1G2G3
7701C
p001
L1027 1.5n
L1023
8.2n
33p
C1080
L1025
0.5p
L1024
DNI
C1084
2.2n
L1017
DNI
C1068
15p
DNI
C1102
2.2n
L1038
39n
L1033
L1031
1.2n
FL1002
897.5MHz,942.5MHz
75
84
92
3
16
ANT
RX
TX
GND1 GND6
GND2 GND5
GND3 GND4
10u
C1067
001
1101R
R1010
62
C1061
100p22p
C1060 C1062
0.1u
PA_R0
PA_R1
WCDMA_LB_RTX
PDET_IN
PA_ON1
PA_ON0
WCDMA_HB_RTX
WCDMA_LB_TX
WCDMA_HB_TX
1mm
Near to 4 Pin Near to 12 Pin
Near to 12 Pin
BAND2(2520):ACMD-7407
BAND1(2520):B7697
BAND8(2520) : SAYRJ897MCA0B0A
BAND15:
BAND25:
BAND18:SKY77195
0603
W900/850
W2100/1900
BAND5(2520) : B7671
0603
TP2
TP3
TP4