LG KS360 - Page 93

5.14.2 Checking Mobile SW & FEM
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5. Trouble shooting
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FEM RX Control Logic
RF
PAD601
PAD600
C622
33p
0.5p
C634
0
R608 C631
5p
33p
C627
12nH
L605
13
GSM850_900TX GSM900RX1
3 4
GSM900RX2
NC1
19
NC2
20 16
VC1 VC2
10
17
ANT
GND1
9
GND2
12 14
GND3 GND4
15 18
GND5
GSM1800RX1
5 6
GSM1800RX2 GSM1800_1900TX
11
7
GSM1900RX1 GSM1900RX2
8
GSM850RX1
1 2
GSM850RX2
NA
L604
LMSP43NA-782
U601
PAD602
22p
C632
CN600
MM8430-2600RB3
3
GND1
4
GND2
GND3
5
GND4
6
1
IN
OUT
2
0.75p
C633
VC1
VC2
TP2_C625 (ANT_SW2)
U600
TP5~8
TP1_C621 (ANT_SW1)
TP10
CN600
TP9
Mobile SW & FEM Circuit
Mobile SW & FEM Check Points
RX Mode EGSM DCS PCS
ANT_SW1 Off Off Off
ANT_SW2 Off Off Off
TP10
TP9
TP1
TP2
TP5,6,7,8