3. TROUBLE SHOOTING
- 42 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Figure 3.2.1.4
C1318
100p
C1317
100p
2.2u
C1303
SKY77758
U1300
13
14
10
5
6
4
12
7
3
8
11
1
9
2
RFIN_LB
GND1
VEN_LB
RFOUT_HB
CPL_OUT
VBATT
VEN_HB
VCC
RFIN_HB
VMODE
NC
CPL_IN
RFOUT_LB
GND2
PGND
1n
C1305
R1301
49.
9
VBAT
+3V4_MTK_VPA
36
R1304
27
R1303
27
R1302
100p
C1316
C1306
1u
ECZH0001215
C1304
1n
PDET_IN
3G_PA_LB_EN
PA_MODE_SEL_0
3G_PA_HB_EN
TP4
TP3
TP5
TP2
TP1