3. TROUBLE SHOOTING
- 45 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3.4 ASM(Antenna Switch Module) Block
3.4.1 Checking FEMiD (GSM, W B1/2/4/5, LTE B1/B3/B8/B20) Block
TOP
U1005
TP2(1.8V)
TP1(2.7V)
+2V7_VREG_L16
+1V8_VREG_S3A_RF
100p
C1020
C1099
100p
46
45
44
43
42
41
40
38
39
34
32
33
35
36
37
VI
O
VD
D
GND14
GND13 GND12
AN
T
SCLK
SDAT
A
GND15
GND16
GND17
GND18
GND19
GND20
GND21
DNI
L1063
C1124
1.8n
RFFE2_DATA
RFFE2_CLK
REV_1.0(07/04)
TP1(2.7V)
TP2(1.8V)