LG D686 Service Manual page 45

TP2(B5)_RF out
C151 1.8n
L123
L124
DNI
1p
C164 33p
TP2(B1)_RF out
L129
8.2n
C166
8.2n
+3V4_VWPAM_MTK
L134 15p
22n 18n
C174 C175
TP2(B8)_RF out
C140 12p
L118
C141
0.5p
5.6n TP2(B2)_RF out
LGE Internal Use Only
+3V4_VWPAM_MTK
TP3(B1/B5)
C135
0.1u
14
RFOUT_LB
13
GND2
12
VCC
11
RFOUT_HB
10
CPL_IN
9
GND1
8
CPL_OUT
TP3(B2/B8)
2
2
C154
C134
22p
2.2u
1
1
14
RFOUT_LB
13
GND2
12
VCC
11
RFOUT_HB
10
CPL_IN
9
GND1
8
CPL_OUT
R108 R109
27 27
R110
36
TP1(B5)_RF IN
VBATT
U103
1
VEN_LB
2
RFIN_LB
3
VBATT
4
RFIN_HB
5
NC
6
VMODE
7
VEN_HB
C145 C146
100p 100p
TP1(B8)_RF IN
VBATT
U104
1
VEN_LB
2
RFIN_LB
3
VBATT
4
RFIN_HB
5
NC
6
VMODE
7
VEN_HB
C156 C167 C169 C168
100p
100p 100p
2.2u
PDET
- 45 - Copyright © 2013 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
PA_ON_B5_EN
3GTX_B5
L136 2.2n
PA_R0
C180 C181
PA_ON_B1_EN
DNI DNI
C144
TP1(B1)_RF IN
100p
PA_ON_B8_EN
L135 1.5n
PA_R0
C178 C179
PA_ON_B2_EN
DNI DNI
TP1(B2)_RF IN
Only for training and service purposes
3GTX_B1
3GTX_B8
3GTX_B2