LG GW520 - Page 115

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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
BAND5_2520_EPCOS
Band 1 / 2 Change
Band 1 / 2 Change
BC1 : SAFEB2G14FA0F00
AWT6321 : BAND2/5
WCDMA
LT69 D
AWT6222 : BAND1/5
BAND8_2520_EPCOS
SAYEZ1G95AA0B00
SDMY0002001
Line Length : 170mm
BC2 : SAFEB1G96FL0F00
Place near to each port
BC8 : SAFEA897MFL0F00
BAND1_2520_MURATA
BAND2_2520_AVAGO
BC1 : SAFEB1G95FL0F00
Place near to each port
BC2 : SAFEA1G88FL0F00
BC5 : SAFEB836MFL0F00
3G Band1 Rx
AWT6224 : BAND1/8
LT56 B
SDDY0004901
L513
1.2nH
SFSY0032901
SAFEB1G95FL0F00
2
G1
G2
5
IN1
3
4
IN2
OUT
1
FL501
DNI
C566
0.01u
C585
C599
DNI
C574
4.7nH
C583 47p
C597 47p
VGS
2
U506
1
NC
17
PGND
4
RFGNDH1 RFGNDH2
5
8
RFGNDM1
9
RFINH
7
6
RFINM
15
RFOUTH
14
RFOUTM
16
VCC
3
C586
0.01u
C584
100p
FL505
SAFEB2G14FA0F00
SFSY0029201
G1
2
5
G2
IN
1
O
3
O
4
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
SAFEA897MFL0F00
SFSY0037502
5.1nH
L514
L523 6.2nH
C588
DNI
L525
3.3nH
L519
27nH
C580
2.2p
1.8pC576
1000p
C582
3.3pC564
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
LT56 B
SDMY0002001
R528 0
C568 68p
0.5p
C573
L520
2.2nH
VBAT
VBAT
3.3nH
C565
C579 68p
C578 5.6nH
C587
DNI
1.5p
C596
2V85_VRF
C593
0.01u
1nH
DNI
C577
C569
0
VBAT
R526
C591
DNI
L517
2.2nH
1.5pC592
10uC567
L511
1.2nH
R527
DNI
DNI
R525
3G_PA_MODE1
GND4
IN
1
2
OUT
SW500
ENWY0001801
MM8430-2610RB3
GND1
3
GND2
4
5
GND3
6
C
L502
18nH
L503
NA
TP2
TP1
TP3
TP6
TP7
TP8
TP4
TP5