LG KU950 - Checking Ant. Switch Module Block

4. TROUBLE SHOOTING
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4.4 Checking Ant. Switch Module Block
Antenna Switch Block(Top)
Schematic of the Antenna Switch Block
ANT101
2.7nH
L101
C106
33p
C107
33p
L103
100nH
ANT
G1
G2
RF
KMS-507
SW100
9
UMTS1
UMTS2
7
VC1
14
15
VC2
VC3
16
VDD
13
5
GND4
8
GND5
10
GND6
GND7
12
GND8
17
18
GND9
GSM1800_1900TX
3
21
GSM1800_RX1
GSM1800_RX2
22
23
GSM1900_RX1
GSM1900_RX2
24
6
GSM900TX
19
GSM900_RX1
GSM900_RX2
20
25
PIN_DIREC1
PIN_DIREC2
26
FL100
LMSP54MA-543
ANT
11
1
GND1
2
GND2
GND3
4
C101
1p
C109
0.01u
VREG_RFRX_1_2.85V
C105
33p
L111 10nH
0
R199
C102
33p
L102
NA
ANT100
R101
NA
OUT100
ANT_SEL0
ANT_SEL1
ANT_SEL2