LG LG-P970 - Page 116

4. TROUBLE SHOOTING
- 116 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
For testing, Max power output is needed.
L133
1.2n
C152
22p
C170
1.8p
C179 0.1u
C185 15p
10n
C151
DNI
L108
L107
27n
SW102
43
2
1
ANT COMMON
G3 G4
SW101
G1
ANTG2
C150
22u
1u
C178
VBAT
VBAT
C180
15p
33pC142
U104
5
4
72
20
6
2
19
25
18
24
23
16
22
15
21
14 12
3
1
11
2
10
3
9
1
8
6
7
17
VCMOS
RXTX_H
GND3
GND4
ANT
RXTX_M1
RX_L1
GND5
GND1
RX_M2
B
H_
3
Q_V
RX_M3TX_HB
DRW
GND_HB
SS
VRAMP
DET
GND_LB
GND_SPI
TX_LB
VSPI
BL_3Q_V
CLK
G
U
LS_
G
GND2
RXTX_L2
C171
1.8p
RX_1800DCS_PCS_TX
PA_RAMP
PA_POW_DET
VSPI
GSM_TX
RX_850
DRW
SS
CLK
RX_1900
ENWY0003901(Hirose)
TP1
C157
8.2n
U103
6 5
7 4
8 3
9 2
10 1
11
PGND
VCC1VCC2
RFINRFOUT
VBPISO
VMODEGND
VENCPL
C131
DNI
U105
51
8 7
9 6
10 5
11 4
12 3
13 2
14 1
RFIN_LOWRFOUT_LOW
VMODEGND3
VBPVCC2
VCC1GND2
VEN_LOWRFOUT_HI
VEN_HIGND1
RFIN_HICPL
DNGP
897.5 MHz,942.5 MHz
FL108
95
84
72
3
6 1
RXANT
TX
GND1 GND4
GND2 GND5
GND3 GND6
1880,1960MHz
FL106
ANT RX
TX
GND1 GND6
GND2 GND5
GND3 GND4
1880MHz
FL107
5 2
4 1
3
G3
INOUT
G1G2
897.5 MHz
FL109
5 3 2
4 1
INOUT
G1G2G3
1nL129
L113
2.7n
1950MHz
FL111
5 2
4 1
3
G3
INOUT
G1G2
10n
L123
1.5nL125
DNI
L122
2.7nL130
L110100p
C174
0.5p
FL110
1950MHz, 2140MHz
95
84
72
3
6 1
RXANT
TX
GND1 GND4
GND2 GND5
GND3 GND6
1
8
1C p
0
0
1
)3060(
p
0
012
8
1C
)
3
0
60(
0
6
1C p
0
0
1
)
3
060
(
481C p001
)
3
0
60(
L117 1.5n
3.9nL119
10pC188
33p
C148
56pC173
)3060(
3
8
1C p
0
0
1
2.7n
L115
DNI
C193
C172 33p
2.2u
C165
VBAT
C158
DNI
L131 2.7n
C176
DNI
p001
)30
6
0(
1
61
C
1n
C164
DNI
C107
C154 33p
DNI
C104
2.2nL114
VBAT
33pC153
1n
C145
C194
1p
L124
DNI
27pC169
)
3
06
0(
2
6
1C
p0
0
1
C192
DNI
DNI
C177
C147
100p
33pC187
C167
100p
L109
8.2n
C146
2.2u
CPL
CPL
TX3G_H_2100
TX3G_L_900
PA_EN_2100
PA_EN_900
PA_MODE
PA_MODE
TX3G_M1_1900
PA_EN_1900
PA_MODE2
PA_MODE2
Band8
Band2
Band1
TP2
TP2
TP2
TP3
TP3
TP3
TP4
TP4
TP4