Only For Training And Service Purposes - LG GW620 Servise Manual

ANT5
ANTENNA_PAD
ANT4
ANTENNA_PAD
DCS_PCS_TX
GSM_TX
Copyright © 2009 LG Electronics. Inc. All right reserved.

Only for training and service purposes

KMS-518
C379
C380
DNI
18n
ANT_SEL2
ANT_SEL3
R135
30ohms
5dB
R53 R54
180ohms 180ohms
R138
62ohms
9dB
R64 R63
100ohms 100ohms
SW2
G1
A
TP1
C
G2
L17
L19
0.5p
DNI
C315 1n SKY77521
C317 1n
7
BS1
6
BS2
1
HB_RF_IN
3
LB_RF_IN
2
GND1
11
GND2
12
GND3
21
GND4
22
GND5
23
GND6
24
GND7
25
GND8
26
GND9
27
GND10
28
GND11
29
GND12
30
GND13
- 109 -
4. TROUBLE SHOOTING
17
ANT
8
_TXEN
9
MODE
10
RSVD
13
U20
RX4
14
RX3
15
RX2
16
RX1
18
WCDMA1
19
WCDMA2
20
WCDMA3
4
VAPC
5
VBATT
2
LGE Internal Use Only