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
1n
L174
1n
L175
U101
16
15
14
13
12
11
10
17
9
8
7
6
4
3
28
1
44
43
42
41
40
39
38
37
36
35
32
33
34
24
23
22
29
30
31
18
21
25
20
26
19
27
5
2
GND2
GND5
GND13
TRX1
AN
T
TRX2
GND12
TRX3
VRAMP
PGND3
PGND2
PGND1
GND10
TRX4
GND11
PGND6
PGND5
PGND4
PGND7 PGND8 PGND9
PGND10
PGND11
PGND12
PGND13
PGND14
PGND15
PGND16
GND1
GND14
GND3
GND4
GND6
GND7
GND8
TX_HB_I
N
TXEN
TX_LB_IN BS2 BS1 VBAT
T
VC
C
GND9
MODE
C196
100p
C197
100p
DNI
L171
2
L103
3.9n
8.2n
L108
3.9n
L124
L125
100n
1p
C105
L170
12n
W850_W900_TRX
W1900_2100_TRX
TP1
TP2