LG GW620 - Page 108

- 109 -
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
n
7
.
2
151C
0.5p
L17
18n
C380
ANT4
ANTENNA_PAD
180ohms
R54
100ohms
R63
032C
p0
0
1
R53
180ohms
1nC317
C315 1n
ANT5
ANTENNA_PAD
C379
DNI
p00
1
532C
KMS-518 SW2
G1
A
C
G2
U20
SKY77521
1
3
2
3
3
3
4
3
30 5
29 4
28
27 20
26 19
25 18
24
23 16
22 15
21 14
12 13
11
210
39
1
8
6
717
ANT
BS1
BS2
_TXEN
HB_RF_IN
MODELB_RF_IN
RSVDGND1
GND2
RX4GND3
RX3GND4
RX2GND5
RX1GND6
GND7
WCDMA1GND8
WCDMA2GND9
WCDMA3GND10
GND11
VAPCGND12
VBATTGND13
4
D
N
GP
3
DNGP
2D
N
GP
1
DNGP
R135
30ohms
R138
62ohms
R64
100ohms
DNI
L19
ANT_SEL2
ANT_SEL3
GSM_TX
DCS_PCS_TX
5dB
9dB
2
TP1