LG C1150 Service Manual page 102

1 2
ANT1 ANT2 ANT3
C301
1.2p
A
L301 0
L302
NA
KMS-506 SW301
C312 22p
C316
NA
FL301
8
ANT
4
GND1
B 6 5
GND2 EGSM_TX
7 3
GND3 DCS_TX
9
GND4
12
GND5
13 10
GND6 EGSM_RX
C346
14 1
GND7 DCS_RX
NA
11 2
SHS-C090DR
C326
27p
C
L304 33nH
ANT_SW2 GPO_11
C336 10p
33nH
L306
ANT_SW1 GPO_9
C338 3.3p
D
VRF
C344
10u
E
1 2
LGIC(42)-A-5505-10:01
3 4 5
VBAT
C308 C302 C303 C305 C306
0.01u
12p
18p 33p 22u
C311
33p
C317
0.5p RSVD BS
15 4
PAC_ENABLE
2
SKY77325
GSM_OUT U302 GSM_IN
12 6
C319 22p
DCS_PCS_OUT DCS_PCS_IN
17 5
C322
NA
1K R309
C330 C304 C307
TX_RAMP
0.01u 0.01u 0.01u
AD6537B_PA
C324
39p
C327
1p
2 3 FL302
G1 O1
1
IN L303 27nH
G2 O2
5 4
EFCH942MTCA7 C328
1p
C329
1p
2 3 FL303
G1 O1
1
IN
L305 6.8nH
G2 O2
5 4
EFCH1842TCA7 C331
1p
ANT_SW1 ANT_SW2
GSM_TX H L
DCS_TX L H
RX L L
VBAT
MIC5255-2.85BM5 U303
5 1
OUT IN
2
C343 GND
4 3
BYP EN CLKON
0.01u
C345
4.7u
Iss.
3 4 5
6 7 8
C309
27p
VRF VRF
C313 C314
C315
R303 C318
100p
22n 22p
47
33p
R304 R305
130 130
R306 C320
36
10p
R307 R308
150 150
21
RFIGN
20
RFIGP
19 1
RFIDN RXQN
18 2
U301
RFIDP RXIP
17 3
RFIPN RXIN
16 4
RFIPP TXIP
15 SI4205 5
GND1 TXIN
36 6
GND8 TXQP
35 7
GND7 TXQN
34
GND6
33
GND5
VRF
C332 C333
0.022u 22p
C334
100p
VVCXO
R311
100
C337
2.2u
(1608)
C339 C340
NA NA
Section Date
07/04
Designer
2005
07/04
Checked
2005
07/04
Approved
2005
Notice No. Date Name
LG Electronics Inc.
- 103 -
9 10
R301 100
PA_BAND GPO_17
R302 100
PA_EN
GPO_16
C310
27p
C321 1000p
13MHZ
QP
C323 39p
QN
IP
C325 39p
IN
X301
R312
3 1
OUT CTL AFC AD6535_AFCDAC
15K
C335
4 2
VCC GND 1000p
13MHz
R313
51
RF_PWR_DWN GPO_4
R314
51
S_EN GPO_19
R315
51
S_CLK GPO_21
R316
51
S_DATA GPO_20
C341 C342
NA NA
Sign & Name
Sheet/Sheets
MODEL
C1150
LEE S.Y.
KIM K.S.
SONG Y.S. DRAWING
RF(AERO1)
NAME
NO S.Y.
DRAWING
VER_1.1
NO.
7. CIRCUIT DIAGRAM
R316
C348
L306
A
A
B
B
C
D
3/4
LG Electronics Inc.