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8. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
120
(1%)
BAND5_2520_EPCOS
Band 1 / 2 Change
8
LOW
HIGH
LOW
PCS
UMTS3
LOW
VDD
10
6
GSM850 RX
2
LOW
C
LOW
Band 1 / 2 Change
4
BC1 : SAFEB2G14FA0F00
LOW
B
LOW
AWT6321 : BAND2/5
G
D
E
F
3G_Band8
5
3
WCDMA
HIGH
HIGH
LOW
LT69D
AWT6222 : BAND1/5
EGSM RX
VC3
BAND8_2520_EPCOS
LOW
UMTS1
LOW
HIGH
SAYEZ1G95AA0B00
SDMY0002001
HIGH
LOW
9
C
HIGH
2.65 - 2.85V
HIGH
3G Band8 Rx
GSM/EDGE
LOW
HIGH
D
HIGH
H
EGSM
LOW
Line Length : 170mm
BC2 : SAFEB1G96FL0F00
11
LOW
1
LOW
H
Place near to each port
UMTS2
LOW
9
GSM850/EGSM TX
DCS
A
BC8 : SAFEA897MFL0F00
3G_Band1
LOW
LOW
BC5 : SAFEB881MFL0F55
BC8 : SAFEB942MFL0F00
10
BAND1_2520_MURATA
2
12
BAND2_2520_AVAGO
12
BC1 : SAFEB1G95FL0F00
7
VC1
8
G
HIGH
VC2
LOW
Place near to each port
3
BC2 : SAFEA1G88FL0F00
BC5 : SAFEB836MFL0F00
VC4
6
11
4
Band 1 / 2 Change
1800
F
B
LOW
PCS RX
E
HIGH
5
Band 1 / 2 Change
3G Band1 Rx
DCS RX
1
LOW
coil
GSM850
Switch Mode
AWT6224 : BAND1/8
LOW
7
A
HIGH
1800
DCS/PCS TX
LT56B
LOW
SDDY0004901
LOW
L513
1V8_SD
1.2nH
GND4
IN
1
2
OUT
C506
0.01u
SW500
ENWY0001801
MM8430-2610RB3
GND1
3
GND2
4
5
GND3
6
10K
R512
100p
C543
C547
1000p
L524
2.7nH
FB503
R510
1K
SFSY0032901
SAFEB1G95FL0F00
2
G1
G2
5
IN1
3
4
IN2
OUT
1
56p
C595
FL501
3.3nH
C575
R513
DNI
FB501
20
C590
4p
DNI
R521
ANT500
DNI
C566
C603
2.2p
56p
C598
2V85_VRF
R520
DNI
3.3nH
L510
0.01u
C585
C599
C529
DNI
0.1u
C501
0.01u
C511
3.3p
820
R515
C574
4.7nH
0.01u
C515
0
R518
0.01u
C517
C583
47p
FL506
SFSY0024301
SAFEB942MFL0F00
2
G1
5
G2
1
IN
3
O1
4
O2
C597
47p
12
VEN1
VEN2
11
VGS
2
VBAT
1V8_SD
U506
1
NC
17
PGND
4
RFGNDH1
RFGNDH2
5
8
RFGNDM1
RFGNDM2
9
RFINH
7
10
RFINL
6
RFINM
15
RFOUTH
14
RFOUTL
RFOUTM
16
RREF
13
VCC
3
0.01u
EUSY0365001
BGA735
C523
R524
33K
R530
DNI
R501
10K
22nH
L521
C586
C563
DNI
0.01u
NA
R519
C500
C534
0
3.3p
C538
1000p
1.5p
C541
C537
C584
100p
1.5p
FL505
SAFEB2G14FA0F00
SFSY0029201
G1
2
5
G2
IN
1
O1
3
O2
4
C559
0.01u
C545
100p
C601
47p
12p
C594
SDMY0001901
SAYFP1G95AA0B00
FL502
ANT
6
GND1
2
GND2
4
5
GND3
GND4
7
GND5
8
GND6
9
RX
1
TX
3
1.5p
C581
FL503
G1
2
G2
5
3
IN1
IN2
4
1
OUT
0.1u
SAFEA897MFL0F00
SFSY0037502
2V85_VRF
C512
3.9nH
L522
5.1nH
L514
18nH
L516
L518
GND500
22nH
C527
0.1u
L527
L523
6.2nH
12nH
2.2p
C532
R516
DNI
20K
R500
C588
DNI
1000p
C514
2V85_VRF
C530
4.7
1u
C526
R506
0.1u
100K
R504
C551
C553
1u
C522
3.3p
UMTS2
21
22
UMTS3
VC1
3
VC2
4
VC3
5
6
VC4
7
VDD
3.3p
GND1
1
10
GND2
8
GND3
23
GND4
24
GND5
GSM1800_1900TX
9
GSM1800_RX1
16
17
GSM1800_RX2
GSM1900_RX1
18
19
GSM1900_RX2
11
GSM850_900TX
GSM850_RX1
12
13
GSM850_RX2
14
GSM900_RX1
15
GSM900_RX2
UMTS1
20
LMSP43QL-771
SFAY0011901
FL500
ANT
2
2V85_VRF
18nH
C604
L525
3.3nH
5.1nH
L508
L519
1000p
C509
27nH
C560
0.1u
47p
R508
1K
C580
C549
2.2p
47p
C558
1.8p
C576
1000p
C582
2V85_VRF
L504
2V85_VRF
2V85_VRF
270nH
L500
R507
3.3nH
3.3p
C564
0
13
RFOUT_900
8
RFOUT_IMT
VBATT
4
12
VCC
VCCA
11
1
VEN_900
VEN_IMT
7
3
VMODE1
5
VMODE2
AWT6224
U505
GND1
9
10
GND2
GND3
14
PGND
15
RFIN_900
2
RFIN_IMT
6
FL504
ANT
GND1
GND2
GND3
GND4
GND5
GND6
RX
TX
C508
LT56B
SDMY0002001
DNI
2.2p
C536
FB500
0.1u
C570
R528
FB502
0
82p
C520
22nH
L512
R505
7
GSM850_900_IN
10
GSM850_900_OUT
2
MODE_SELECT
PGND
15
TX_EN
6
4
VBATT
5
VRAMP
0
TQM7M5005
SMPY0017901
U502
BS
3
13
BY_CAP1
BY_CAP2
9
1
DCS_PCS_IN
12
DCS_PCS_OUT
14
GND1
GND2
11
GND3
8
C554
DNI
C504
L505
22p
18nH
C568
68p
C528
100p
C544
100p
C524
2.2p
C540
0.1u
0
L502
R523
2V85_VRF
18nH
5.1nH
L507
220n
GND501
C535
C550
1000p
0.5p
C573
0.5p
C562
C502
L520
2V85_VRF
0.1u
2.2nH
C555
1.8p
0.1u
C516
1.2p
10K
R514
C507
VBAT
C572
8.2p
0.01u
4p
C557
1K
R511
C571
2V85_VFM
VBAT
22nH
L515
0.1u
C533
1V5_VRF
C602
0.1u
C589
C510
3.9p
3.3nH
2.2p
2V85_VRF
C565
2V85_VRF
R503
C579
68p
DNI
100K
R529
DNI
R517
C578
5.6nH
L526
3.3nH
2.7p
C552
C531
C519
0.1u
12nH
4
C587
DNI
NL17SZ14DFT2
EUSY0144701
U501
2
3
GND
VCC
5
1.5p
C596
2V85_VRF
B
3
GND
5
VCC
Y
4
0.1u
C503
U500
NL17SZ32XV5T2
EUSY0162301
A
1
2
1.5nH
L501
C593
0.01u
1nH
DNI
C577
C569
1K
R509
0.1u
C518
4.7p
C606
2.7p
C525
R522
B2
4
GND
8
VCC
Y1
7
Y2
3
0
2V85_VRF
EUSY0154001
NL27WZ32USG
U503
1
A1
A2
5
B1
2
6
33u
C542
C600
0
2.2p
VBAT
R526
L506
18nH
C591
L509
18nH
DNI
L517
C513
2.2nH
L503
2V85_VRF
0.1u
NA
C556
0.01u
1.5p
C592
2V85_VRF
10u
100p
C567
C546
0.1u
C521
R502
10
C505
0.1u
C561
EXSK0008201
KT3225K26000ECW29ZA0
X500
GND
2
OUT
3
4
VCC
1
VCONT
1u
4.7nH
26MHz
VDDTX1V5
VDDTX2V8
K6
VDDTXBB2V8
K11
H2
VDDTXCP2V8
VDDTXFE2V8
K5
G2
VDDTXPLL1V5
VDDTXVCO2V8
J2
VDDVCO2V8
B6
L528
VDDBIAS2V8
VDDBUS1V85
F3
J10
VDDDIG2V8
VDDDIGANA1V5
E9
B8
VDDFSYS2V8
G3
VDDLDO1V85
D3
VDDLNA1V5
VDDMIX2V8
K8
B4
VDDRX1V5
VDDRX2V8
C4
VDDRXBB1V5
A3
VDDRXCP2V8
B11
VDDRXFE2V8
F9
A7
VDDRXIO2V8
VDDRXPLL1V5
B7
A10
VDDRXVCO2V8
J5
TXEN
TXGC
H5
K4
TXHSMODE
TXI
K10
J9
TXIX
L5
TXOUTH
L6
TXOUTHX
TXOUTL
L3
L4
TXOUTLX
TXOUTM
L9
L10
TXOUTMX
TXQ
L2
TXQX
K1
J4
VBIAS
VCO_RC
C5
F2
VDD1V5
J3
D10
RXI
A6
RXINH
E11
F11
RXINHX
RXINL
C11
D11
RXINLX
RXINM
G11
RXINMX
H11
C6
RXIX
RXQ
A4
A5
RXQX
L7
TX1
TX2
L8
H10
TXBAND1
TXBAND2
G10
F10
TXBAND3
K3
A1
A11
NC2
NC3
L1
L11
NC4
H7
Q
QX
H8
H1
RX1
RX1X
J1
RX2
F1
RX2X
G1
D1
RX3
RX3X
E1
B1
RX4
RX4X
C1
RXBAND1
F8
E10
RXBAND2
RXBAND3
H4
H6
GND26
GND27
J6
J7
GND28
GND29
K7
C8
GND3
GND4
C10
D4
GND5
D5
GND6
D6
GND7
GND8
D7
D8
GND9
K9
I
IX
J8
LD
J11
C3
MASTERON
NC1
E2
GND11
E4
E5
GND12
GND13
E6
E7
GND14
GND15
E8
F4
GND16
GND17
F5
GND18
F6
F7
GND19
GND2
B9
GND20
G4
G5
GND21
G6
GND22
GND23
G7
G8
GND24
GND25
CLKPGC
CLK_PM
G9
A2
DA
DAPGC
B2
H9
DA_PM
EN
E3
D2
ENPGC
EN_PM
C7
K2
FE1
FE2
H3
A8
FSYSIN_3G
B10
FSYSIN_PM
FSYSOUT1
A9
C9
FSYSOUT2
FSYSOUT3
D9
B5
GND1
GND10
C548
EUSY0355201
PMB6952
U504
CLK
B3
C2
18p
C539
1000p
C605
DNI
L511
1.2nH
R527
2V85_VRF
DNI
DNI
R525
ANT_SEL2
ANT_SEL6
BT_VCXO_EN
PM_VCXO_EN
LBAND_IN
2G_BS
TXON_PA
PA_MODE
PA_LEVEL
HBAND_IN
BT_CLK
26MHZ
FSYSOUT1
ANT_SEL5
ANT_SEL1
ANT_SEL4
ANT_SEL3
3G_PA_MODE1
RF_TEMP
2G_DATA
2G_CLK
2G_BS
FSYSOUT1
AFC
3G_TX_IP
3G_TX_IN
3G_TX_QP
3G_TX_QN
2G_IP
2G_IN
2G_QP
2G_QN
3G_VGC_TX
3G_LD
3G_MASTERON
3G_EN
3G_DATA
3G_CLK
2G_EN
3G_RX_IN
3G_RX_QP
3G_RX_QN
HBAND_IN
LBAND_IN
3G_RX_IP
Содержание GW520
Страница 1: ...Service Manual Model GW520 Internal Use Only Service Manual GW520 Date July 2009 Issue 1 1 ...
Страница 155: ... 156 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 159: ... 160 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 171: ... 172 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...