4. TROUBLE SHOOTING
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Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
TOP Side
U101
PAM
TP5
TP4
TP3
TP2
TP1
DNI
C128
U101
14
13
12
11
10
9
8
7
6
4
3
28
1
36
35
32
33
34
24
23
29
30
31
25
26
27
5
2
GND2
GND5
GND13
AN
T
GND12
PGND3
PGND2
PGND1
TRX4
GND11
PGND6
PGND5
PGND4
PGND7 PGND8
GND1
GND14
GND3
GND4
GND6
GND7
GND8
TX_HB_I
N
TX_LB_I
N
BS2 BS1 VBAT
T
VC
C
DNI
C134
SW101
4
3
2
1
ANT
COMMON
G3
G4
100p
C135
C129
100p
C119
6.8p
DNI
C111
3.9n
L124
L125
100n
1p
C105
DCS_PCS_TX
GSM850_GSM900_TX
TP2
TP1