LG KP105 Service Manual page 91

7. CIRCUIT DIAGRAM
1 2
ANT401 ANT402
A
C402 1p
L401
4.7nH
C407 1p
B
SW401
RF500
L402
C412
1p
C
D
E
1 2
LGE Internal Use Only
3 4 5
VLOGIC
1K R405
TX_RAMP
TXON_PA
BS
C408 C409
39p 39p
3.3nH
L403
39nH
IN CASE OF GSM850/PCS1900
CHANGE THIS DUAL SAW FILTER
TO PART_NO SFSB0001301
3 4 5
6 7 8
VBAT
C403 C404 C401 C405 C406
12p 0.01u 10u 33p 18p
(2012)
C410 C411
39p 39p
6 1
DCS_RX VBATT
7 20
GSM_RX GND9
8 19
U401
GND1 DCS_IN DCS_PCS_OUT
9 SKY77518 18
GND2 NC
10 17
GND3 GSM_IN GSM_OUT
11 16
ANT GND8
C413 3p
GSM_RXN
L404
18nH
2 3 5 10
4 I2 O2_2 6
C414 3p
GSM_RXP
O2_1 7
O1_2 8 C415 3p
DCS_RXN
1 I1 O1_1 9
FL401 B9308
L405
PART_NO SFSB0001401
5.1nH
C416 3p
DCS_RXP
6 7
- 92 -
9 10
A
C
R406 NA
DEFAULT_BANDSEL
D
BAND_DETECT
850
27K
900 2.7K
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