- 82 -
H
L
7
2
3
B
6
6
close to DBB
5
4
850/900 TX
4
1
10
H
E
C
1800/1900 RX
1
5
A
8
3
7
D
D
9
C
A
1800/1900 TX
850/900 RX
MODE
ANT_SW1
ANT_SW2
H
L
L
H
L
2
0.5p
C415
C436
4p
3.3nH
L400
0.01u
C407
100p
1.5p
C404
C425
ANT
G1
G2
RF
R401
0
GRS300-2S-H36-E3000
SW400
47
R404
DNI
C418
ECCH0003002
C405
C2012JF1A106ZT
3.5p
C426
10u
3.5p
C427
ANT400
PT400
22K
V_EXTH
C419
DNI
C428
2.7p
1.5p
C402
2.7p
C429
47
R405
R400
15K
3.5p
C430
C434
3.5p
L409
15nH
4p
C435
4.7K
GND8
14
GND9
16
21
P_GND
19
RSVD_GND
VAPC
20
17
VBATT
2
VCC1A
6
VCC1B
R408
BS
1
DCS_PCS_IN
3
15
DCS_PCS_OUT
4
EGSM_IN
11
EGSM_OUT
ENABLE
18
GND1
5
7
GND2
8
GND3
GND4
9
10
GND5
GND6
12
13
GND7
C400
SKY77318
U400
1000p
68p
C433
C412
180p
DNI
C424
C410
ANT403
15p
47p
C413
C421
0.5p
27p
C423
1.5p
C422
0.5p
C403
C417
1p
47nH
L405
5.1nH
3
.9nH
L407
1.5p
L406
C414
ANT401
ANT402
L410
2.7nH
0.01u
C408
R406
270K
0.01u
VBAT
10nH
L404
C406
R403
10
39p
C409
C431
1000p
R407
680
VDDRF1
1.8nH
L402
C411
DNI
18nH
L403
1nH
L401
3.3nH
L411
15nH
L408
NC1
23
NC2
24
VC1
19
20
VC2
VDD
21
V_EXTH
2.2p
C401
GND3
12
13
GND4
GND5
14
16
GND6
GND7
18
GND8
22
15
GSM1800_1900_TX
3
GSM1800_RX1
GSM1800_RX2
4
1
GSM1900_RX1
GSM1900_RX2
2
GSM850_900_TX
17
7
GSM850_RX1
GSM850_RX2
8
5
GSM900_RX1
GSM900_RX2
6
LMSP43QC-789TEMP
FL400
ANT
11
9
GND1
10
GND2
1.8nH
L412
C432
GSM_RXN
GSM_RXP
EGSM_RXN
EGSM_RXP
1000p
ANT_SW1
ANT_SW2
TXLB
TXHB
TX_RAMP
PCS_RXN
PCS_RXP
DCS_RXP
DCS_RXN
TEMPSENSE
PA_BAND
PA_EN
7. CIRCUIT DIAGRAM
LGE Internal Use Only
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Only for training and service purposes