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4.4 Checking Ant. Switch Module Block
ANT100
ANT101
C1009
1p
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Ant_Sel0
Ant_Sel1
Ant_Sel2
Ant_Sel3
FL1000
SW1000
L1002
1.8nH
C1003
15p
L1004
8.2nH
VREG_S3_2.7V
ANT_SEL0
ANT_SEL1
ANT_SEL2
ANT_SEL3
Schematic of the Antenna Switch Block
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4. TROUBLE SHOOTING
VDD (TP1)
KMS-518
C1004
51p
2
ANT
1
GND1
8
GND2
10
GND3
23
GND4
24
GND5
WCDMA_2100
WCDMA_1900
TP1
GSM850_EGSM_TX
L1008
15nH
R1002
1K
R1003
1K
R1004
1K
R1006
1K
FL1000
D5015
18
PCS_RX1
19
PCS_RX2
16
PCN_RX1
17
PCN_RX2
14
EGSM_RX1
15
EGSM_RX2
12
GSM850_RX1
13
GSM850_RX2
20
21
WCDMA_850
22
9
PCN_PCS_TX
11
LGE Internal Use Only
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