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6. CIRCUIT DIAGRAM
1
2
3
ANT501
R502
270 : 100pF
0
275 : 10pF
GND501
GND502
ANT502
R505
C501 100p
G1
ANT
RF
G2
DNI
SW501 KMS-512_P
L533
L532
8.2nH
18nH
A
270 : 8.2nH
270 : 18nH
275 : 12nH
275 : DNI
FL501
LMSP43QL-771
GSM850_900TX
GSM1800_1900TX
2
ANT
GSM850_RX1
B
GSM850_RX2
GSM900_RX1
GSM900_RX2
GSM1800_RX1
GSM1800_RX2
2V85_VRF
GSM1900_RX1
1
FB503
GND1
GSM1900_RX2
8
GND3
10
GND2
UMTS1
23
C540
C541
GND4
UMTS2
24
1000p
0.1u
GND5
UMTS3
R516
1K
ANT_SEL2
R517
1K
C
R518
1K
R519
1K
ANT_SEL6
2V85_VRF
U505
NL27WZ32USG
C553
GSM_PAOUT_LB
1
8
A1
VCC
1u
ANT_SEL1
2
7
ANT_SEL4
B1
Y1
3
6
Y2
B2
ANT_SEL3
D
4
5
GND
A2
ANT_SEL5
GSM_PAOUT_HB
GSM/EDGE
E
FL504
B7684
C570
12p
3G_RF_BC1
ANT
TX_IN
L515
RX_OUT
5.6nH
GND1
GND4
GND2
GND5
F
GND3
GND6
WCDMA_BC1(2.1G)
G
FL507
C590
100p
3G_RF_BC5_8
ANT
RX
L529
TX
15nH
GND1
GND6
H
GND2
GND5
GND3
GND4
B7638
WCDMA_BC5/8(850M/900M)
1
2
3
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4
5
6
BT_VCXO_EN
PM_VCXO_EN
C516
2.2p
L502
GSM850
18nH
C522
2.2p
C527
2.2p
L503
EGSM
18nH
11
GSM_PAOUT_LB
9
GSM_PAOUT_HB
C533
2.2p
12
13
14
C536
2.2p
15
16
L504
DCS
17
5.1nH
C537
2.2p
18
19
20
3G_RF_BC5_8
21
C539
1.5p
22
3G_RF_BC1
L505
PCS
5.1nH
C542
1.5p
VBAT
C544
C550
C551
33u
27p
6p
PGND
GSM850_900_IN
15
7
GND3
TX_EN
TXON_PA
8
6
GND2
C552
6.8p
11
R520
10K
GND1
VRAMP
PA_LEVEL
14
U503
5
C554
BY_CAP2
TQM7M5005
VBATT
L506
9
4
DNI
18nH
BY_CAP1
BS
2G_BS
13
3
GSM850_900_OUT
MODE_SELECT
PA_MODE
10
2
L507 2.2nH
DCS_PCS_OUT
DCS_PCS_IN
12
1
C559
C556
C558
C557
47p
0.01u
DNI
1.5p
0.01u
C560
2V85_VRF
U506
BGA711L7
C563
10p
1
6
RFIN
RFOUT
2
5
C565
L511
3G_LNA_CTRL_BC1
EN
RREF
DNI
2nH
3
4
3G_LNA_GAIN_CTRL
GS
VCC
C567
C569
0.01u
VBAT
100p
ACPM-7381
U507
11
PGND
10
1
VCC2
VCC1
9
2
L514
2.7nH
GND3
RFIN
8
3
RFOUT
VMODE1
7
4
GND2
VMODE0
6
5
C576
C577
GND1
VEN
0.5p
0.5p
C578
C579
220p
2.2u
1608
2V85_VRF
U508
BGA751L7
C583
3p
1
6
RFIN
RFOUT
2
5
C585
L522
3G_LNA_CTRL_BC5_8
VEN
RREF
DNI
6.8nH
3
4
3G_LNA_GAIN_CTRL
VGS
VCC
C587
C589
0.01u
VBAT
100p
ACPM-7311
U509
11
PGND
10
1
GND3
VEN
9
2
GND2
VMODE0
C591
10p
8
3
RFOUT
VMODE1
7
4
GND1
RFIN
6
5
L530
C598
VCC2
VCC1
18nH
DNI
C602
C603
2.2u
2200p
1608
4
5
6
7
8
1V8_SD
2V85_VRF
2V85_VRF
2V85_VRF
2V85_VRF
2V85_VFM
2V85_VRF
U501
1
5
A
VCC
C510
2
0.1u
B
3
4
GND
Y
R510
R511
NL17SZ32XV5T2
100K
100K
C519
0.1u
C532
0.1u
C534
C535
3.3p
220n
E11
3G_RX_BC1
RXINH
F11
3G_RX_BC1X
RXINHX
G11
RXINM
H11
RXINMX
C11
3G_RX_BC5_8
RXINL
D11
3G_RX_BC5_8X
RXINLX
L5
3G_TX_BC1
TXOUTH
L6
3G_TX_BC1X
TXOUTHX
L9
TXOUTM
L10
TXOUTMX
L3
3G_TX_BC5_8
TXOUTL
L4
3G_TX_BC5_8X
TXOUTLX
A6
3G_RX_IP
RXI
C6
3G_RX_IN
RXIX
A4
3G_RX_QP
RXQ
A5
3G_RX_QN
RXQX
K10
3G_TX_IP
TXI
J9
3G_TX_IN
TXIX
L2
3G_TX_QP
TXQ
K1
3G_TX_QN
TXQX
K9
2G_IP
I
J8
2G_IN
IX
H7
2G_QP
Q
H8
2G_QN
QX
H1
RX1
J1
RX1X
F1
RX2
G1
RX2X
D1
RX3
E1
RX3X
B1
RX4
C1
RX4X
L7
TX1
L8
TX2
SAFEB2G14FA0F00
L509
FL502
2
3
G1
O1
C564
47p
1
L508
IN
4.7nH
G2
O2
L510
5
4
C566
DNI
R524
C568
12p
27K
L512
FL503
SAFEB1G95FL0F00
L528
2.7nH
1
3
OUT
IN1
2
4
3G_PA_MODE1
G1
IN2
L516 3.9nH
C575
C572
5
3G_PAEN_BC1
DNI
1p
G2
C580
C581
C582
220p
100p
100p
SAFEB881MFL0F55
L520 6.8nH
FL505
2
3
C584
47p
1
G1
O1
L519
IN
15nH
G2
O2
5
4
L521 6.8nH
C586
DNI
C588
R525
560K
12p
3G_PAEN_BC5_8
L523 15nH
3G_PA_MODE1
FL506
SAFEB836MFL0F00
2
3
C592 100p
L525
1
G1
O1
IN
18nH
G2
O2
L526
15nH
5
4
C599
L531
C600
10nH
C594
C604
100p
100p
DNI
680p
7
8
- 129 -
9
10
11
2V85_VRF
2V85_VRF
R501
22K
2V85_VRF
2V85_VRF
FB501
R503
R504
10K
C504
C505
10
C506
C507
0.01u
0.1u
0.1u
0.01u
2V85_VRF
L501
270nH
C517
C518
1V5_VRF
0.01u
0.1u
C520
R512
2.2u
1K
C521
1000p
5
R514
R513 4.7
VCC
C525
1000p
820
2
4
FSYSOUT1
GND
3
C528
C529
C530
C531
0.1u
100p
0.1u
1u
2V85_VRF
R515
100K
U502
MC74VHC1G04DFT2G
K4
TXHSMODE
H5
TXGC
3G_VGC_TX
K3
TXEN
J11
LD
3G_LD
C3
MASTERON
3G_MASTERON
C538
1000p
A8
FSYSIN_3G
D2
ENPGC
B2
DAPGC
C2
CLKPGC
E3
EN
3G_EN
A2
DA
3G_DATA
B3
CLK
3G_CLK
F8
U504
RXBAND1
3G_LNA_CTRL_BC5_8
E10
PMB6952
RXBAND2
3G_LNA_GAIN_CTRL
D10
RXBAND3
3G_LNA_CTRL_BC1
H10
TXBAND1
3G_PAEN_BC5_8
G10
TXBAND2
F10
TXBAND3
3G_PAEN_BC1
C543
47p
A9
FSYSOUT1
FSYSOUT1
C9
FSYSOUT2
D9
FSYSOUT3
C545
1000p
B10
FSYSIN_PM
C7
EN_PM
2G_EN
H9
DA_PM
2G_DATA
G9
CLK_PM
2G_CLK
K2
FE1
2G_BS
H3
FE2
J4
VBIAS
C5
VCO_RC
R522
820
X501
DSA321SA_26MHZ
3
4
OUT
VDD
R523 10K
2
1
GND
VCONT
C555
26MHz
0.01u
2nH
3G_RX_BC1
2nH
3G_RX_BC1X
2V85_VRF
3G_TX_BC1
3G_TX_BC1X
3.9nH
L513
22nH
L517
5.1nH
C573
C574
L518
22nH
0.1u
4p
3G_RX_BC5_8
3G_RX_BC5_8X
2V85_VRF
3G_TX_BC5_8
3G_TX_BC5_8X
L524 22nH
C595
C596
L527
22nH
0.1u
4p
9
10
11
LGE Internal Use Only
12
RF_TEMP
A
26MHZ
BT_CLK
B
C
2V85_VRF
R521
20
C561
C562
0.1u
1u
AFC
D
E
F
G
H
12
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