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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
5.6n
C253
DNI
L204
K0
02
72
1
R
8p
C242
TP201
20
6L
F
12
02
91
12
81
01
16
13
8
9
7
6
11
5
4
14
3
15
2
1
17
UMTS1
UMTS3
GSM1800/1900RX1
ANT
GSM1800/1900RX2
GND1
GND2
GSM850RX1
3
C
V
2
X
R0
58
M
S
G
1
XT
00
91/
00
81
M
S
G
1
C
V
XT
00
9/
05
8
M
S
G
VDD
GND3
2
C
V
4
D
N
G
VC4
2
ST
M
U
5
D
N
G
D
N
G
P
47u
C211
47p
C203
8p
C210
900MHz
FL202
5
2
6
4
3
1
1L
T
C
GND
3T
R
O
P
PORT2
1T
R
O
P
2L
T
C
DNI
C254
p0
81
81
2
C
56p
C232
3.3p
L213
DNI
C200
DNI
R211
1.8p
C201
1.8n
L210
1n
C252
1.5n
L214
DNI
C246
1.8n
L212
2140MHz
FL201
4
5
1
3
2
G1 O1
IN
G2 O2
DNI
R210
0.5p
C255
1p
C247
3.3n
C248
DNI
C251
DNI
C250
p0
01
94
2
C
SW201
G1
ANT
G2
SW202
G1
ANT
G2
100p
C209
DNI
L211
56p
C233
8p
C243
7.5n
L205
1K
R206
DNI
C221
DNI
C220
p0
01
71
2
C
SW200
4
2
1
3
1
G
A
C
2
G
DNI
C214
33p
C222
DNI
C225
DNI
C215
DNI
C224
33p
C212
DNI
C219
39p
C227
33p
C231
15n
L203
1K
R207
0.5p
L201
39p
C229
39p
C228
4.7n
L200
39p
C226
+2.85V_VDD_RF_SW
100n
L202
4.7K
R129
+2.85V_MDM_SDCC1
1u
C230
U200
12
13
14
15
16
17
6
5
7
4
8
3
9
2
10
1
11
GND3
RFIN_HB
GND2
VBATT
RFOUT_LB
VEN_HB
RFIN_LB
VMODE0
GND1
VMODE1
VEN_LB
PGND
RFOUT_HB
GND6
GND5
VCC
GND4
100p
C290
2.2n
C216
942.5MHz
FL203
4
5
1
3
2
G1 O1
IN
G2 O2
K7.
4
62
1
R
3.3n
C244
2.2p
C280
1n
C256
22p
C281
100p
C288
TP200
2.2u
C204
2.2u
C202
22p
C282
SW210
G1
ANT
G2
9.1n
L251
9.1n
L250
1575.42MHz
FL204
4 5
1
3 2
G1
O1
IN
G2
O2
33p
C283
DNI
L252
1K
R208
1K
R209
39p
C900
DNI
C239
39p
C901
120K
R128
VBAT
ANT_SEL0
ANT_SEL1
ANT_SEL2
GSM_L_PAM_ON
RX_PCS_DCS_M
GSM_H_PAM_ON
DRX_2100_AWS_P
DRX_2100_AWS_M
DRX_W900_M
DRX_W900_p
TRX_W2100
RX_PCS_DCS_P
TX_GSM_LB
TX_GSM_HB
R0
R1
TRX_W900
DRX_W900_ON
GPS_M
RX_G850_M
RX_G850_P
DRX_2100_AWS_ON
ANT_SEL3
GPS_P
MS_DET
TRX_AWS
RF GSM
MODE
LOW
HIGH
DCS/PCS
RF Diversity
GSM_PA_BAND
GSM
GPS LNA
Closed to MDM RX
4.7kohm
GPS JIG Port