LG GW520 - Page 113

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5. Trouble shooting
GW520 service manual
GND4
IN
1
2
OUT
SW500
ENWY0001801
MM8430-2610RB3
GND1
3
GND2
4
5
GND3
6
L50
3
NA
TP1
BAND5_2520_EPCOS
Band 1
WCDMA
LT69D
BAND8_2520_EPCOS
SAYEZ1G95AA0B00
SDMY0002001
3G Band8 Rx
Line Length : 170mm
BAND1_2520_MURATA
BAND2_2520_AVAGO
Place near to each port
3G Band1 Rx
LT56B
SDDY0004901
3.3nH
C575
C563 DNI
SDMY0001901
SAYFP1G95AA0B00
FL502
ANT
6
GND1
2
GND2
4
5
GND3 GND4
7
GND5
8
GND6
9
RX
1
TX
3
1.5p
C581
3.9nH
L522
18nH
L516
L527
L523 6.2nH
12nH
L525
3.3nH
C580
2.2p
1.8pC576
1000p
C582
FL504
ANT
GND1
GND2
GND3 GND4
GND5
GND6
RX
TX
LT56B
SDMY0002001
0.5p
C573
0.5pC562
VBAT
C572
8.2p
C602 3.9p
3.3nH
C565
C579 68p
C578 5.6nH
1.5p
C596
1nHC577
4.7p
C606
VBAT
1.5pC592
4.7nH
L528
Band 1 / 2 Change
/
2 Change
BC1 : SAFEB2G14FA0F00
BC2 : SAFEB1G96FL0F00
BC5 : SAFEB881MFL0F55
BC8 : SAFEB942MFL0F00
Band
L524
2.7nH
56pC595
C603 2.2p
56pC598
C599
DNI
FL506
SFSY0024301
SAFEB942MFL0F00
2
G1
5
G2
1
IN
3
O1
4
O2
C597 47p
12
VEN1 VEN2
11
VGS
2
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
EUSY0365001
BGA735
R524
33K
R530
DNI
FL505
SAFEB2G14FA0F00
SFSY0029201
G1
2
5
G2
IN
1
O1
3
O2
4
C601 47p
12p
C594
18nH
C604
R528 0
DNI
R529
L526
3.3nH
C593
0.01u
C600
0
2.2p
R526
C605
DNI
R527
DNI
DNI
R525
TP2
TP3
TP5
TP4