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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
8. CIRCUIT DIAGRAM
10
5
3
2
6
4
7
8
9
1
FL101
I1
O1-1
O1-2
O2-1
I2
O2-2
1
G
2
G
3
G
4
G
1p
C117
L104
2.2n
L108
1.5n
3.3n
L105
L106
3.3n
10n
C101
L109
6.8n
C118
3.3p
2.2n
L103
C114
22p
R104
100 R103
100
1K
R105
1.2p
C115
C112
DNI
C108
1n
C113
56p
C121
33p
R102
100
61
1L
6.8n
C120
3.3p
12n
L114
VBAT
L113
6.8n
L111
6.8n
3.6n
L110
DNI
C126
C110
1n
C102
33p
C103
22u
C109
1n
21
1L
6.8n
DNI
L115
C119
33p
U101
12
11 01 9 8 7
13
6
14
5
15
4
16
3
17
2
81
1
91 02 12 22 32
G
UL
S_
D
N
G
P
M
A
R
V
EL
B
A
N
E_
XT
0L
RT
C
P
G
1L
RT
C
P
G
GND1
TT
A
B
V
GND2
NC3
RFIN_LB
GND9
GND3
GND8
RFIN_HB
ANT
GND4
NC2
5
D
N
G
6
D
N
G
7
D
N
G
1
C
N
0
X
R
RX1
C111
39p
L118
22n
0.5p
C107
100p
C105
C104
8.2p
ANT102
ANT103
C123
100p
1.5p
L117
SW101
4
3
2
1
ANT
COMMON
G3
G4
GND
RF_HB_TX
RF_LB_TX
RF_HB_RXN
RF_LB_RXP
RF_TX_EN
RF_ANT_SEL[0]
RF_ANT_SEL[1]
RF_TX_RAMP
ANT_FEED
ANT_FEED
RF_HB_RXP
RF_LB_RXN
RF
GSM850/DCS
GSM900/PCS
HIGH
LOW
HIGH
GpCtrl0
º¯µ¿ºÎ
±¸Á¶ FIX
)
R7
X,
K,
V6
1(
1-0-1-2 ANT_PAD_Ver1.0
)2
10
2,
V0
1(
LOW
LOW
LOW
)0
P
N,J
,
V0
5(
HIGH
HIGH
MODE
STANDBY
RX0
RX1
850/900 TX
DCS/PCS TX
GpCtrl1
LOW
HIGH
HIGH
HIGH
HIGH
Tx Enable
LOW
LOW
RF PART
2TX / 2RX RFMD Module
8. CIRCUIT DIAGRAM