LG -P970 Service Manual page 119

TP3
100p L110
L122
8.2n
DNI
C157
TP3
L129 1n
C174
L124
0.5p
DNI
TP3
L125 1.5n
C194
C104
1p
DNI
LGE Internal Use Only
TP1
TP3
C145 C146
1n 2.2u
U103
11
PGND
10 1
TP2 TP2
VCC2 VCC1
9 2
RFOUT RFIN
8 3
CPL
ISO VBP
7 4
GND VMODE
6 5
CPL VEN
C164 C165
1n 2.2u
14 1
RFOUT_LOW RFIN_LOW
13 2
GND3 VMODE
12 3
VCC2 VBP
U105
11 4
GND2 VCC1
10 5
RFOUT_HI VEN_LOW
9 6
GND1 VEN_HI
8 7
CPL
CPL RFIN_HI
TP2
TP2 VBAT
C147
100p
L130
C154 33p
PA_MODE
PA_MODE2
PA_EN_1900
C107
DNI
VBAT
C167
100p
TP2
C172 33p
TP2
PA_MODE2
PA_MODE
C177
DNI
PA_EN_900
PA_EN_2100
C187 33p
C193
DNI
- 119 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
TP3
TP1
FL107
3
2.7n G3
L131 2.7n
4 1
OUT IN
G2 G1
5 2
C158
DNI
1880MHz
TP1
FL109
L113
C173 56p
4 1
OUT IN
2.7n
G3 G2 G1
C176
5 3 2
DNI
897.5 MHz
TP1
FL111
3
L115
G3
C188 10p
4 1
OUT IN
2.7n
G2 G1
5 2
C192
DNI
1950MHz
Only for training and service purposes
TP1
TX3G_M1_1900
TX3G_L_900
TX3G_H_2100