9. PCB LAYOUT
- 102 -
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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16
A
B
D
E
F
C
3
4
5
6
2
1
G
H
I
J
K
A
7
8
9
10
12
11
13
14
T
R
L
M
P
N
J
E
F
G
H
D
C
B
1
U101
J201
LD
401
60
4
U
14
4
C
C23
5
C24
7
C13
6
C107
C112
R30
6
50
3
C
C31
4
R30
8
C30
3
R30
2
U301
R30
5
R30
7
C30
9
C25
1
C20
5
FB2
01
C25
5
R24
8
R20
4
R24
7
C25
6
C21
2
R24
1
R24
2
41
1
R
U102
C10
4
C12
3
C11
9
C10
9
60
3
C
92
2
R
R44
2
C22
7
R21
5
C21
1
C23
3
R21
6
C21
7
R26
0
R44
4
R43
8
R44
1
Q20
4
R43
5
R43
9
R43
7
R44
3
C28
4
R43
4
R43
2
R43
6
R43
3
C21
8
C25
0
TP
103
VA2
06
10
4
N
C
VA2
04
R31
1
62
3
C
42
3
C
TP
151
20
2L
10
1L
C24
4
54
2
C
50
2A
V
10
2
N
C
C28
6
R26
5
R20
9
C248
Q10
1
80
3
C
40
3
C
10
3
C
R44
9
90
1
R
21
1
R
62
1
C
C111
33
1
C
24
4
C
83
4
C
12
2
C
31
2
C
R23
1
R23
3
U20
5
10
1
X
C116
20
1
C
01
1
C
C128
R10
8
C127
C106
R10
2
C103
ANT303
C22
0
C31
9
10
3
W
S
C257
C21
9
R20
3
C252
FB2
03
41
2
C
C25
3
C254
CN
202
41
1
C
11
1
R
50
1
R
31
3
C
C113
L30
6
23
1
C
50
3L
L30
4
C328
80
3L
C32
0
32
3
C
ANT305
20
2B
F
70
2
C
C20
9
54
2
R
C20
8
U20
3
C134
L303
L302
10
1
BF
FL301
11
3
C
21
3
C
01
3
C
ANT306
10
2
U
C28
5
71
1
R
C10
5
80
1
C
C12
9
C11
7
17
2
R
27
2
R
R22
5
32
2
R
R22
0
37
2
R
10
2
Q
R10
6
C12
5
R10
7
R11
6
10
1
C
C12
0
C11
5
07
2
R
C12
2
81
1
C
C12
1
X10
2
32
2
C
R21
9
10
2
C
04
2
R
71
2
R
R21
8
62
2
C
C21
0
50
2
R
20
2
C
R25
4
L20
1
L20
3
R25
3
C24
9
C28
2
76
2
R
66
2
R
R26
8
R26
9
C13
5
47
2
R
Q20
3
TP
150
10
3
R
06
3
R
16
3
R
MIC
201
20
2
Q
C43
0
C26
1
43
2
C
40
2
U
C22
8
10
2
B
V
C28
3
C43
7
R40
4
C43
9
C43
3
C43
6
C44
3
C43
2
C43
4
C42
0
C42
1
C43
5
C44
0
C43
1
20
4
U
C42
3
61
2
C
52
2
C
60
2
R
C40
8
R40
5
TP
108
R36
2
R36
3
10
3T
N
A
90
3L
12
3
C
C40
7
VA2
03
31
3L
C32
7
10
3L
R31
2
Q30
1
R31
0
90
3
R
R40
2
C40
6
R44
8
U204(Audio Amp)
The Audio working bad
VB201
No Vibration
Q301(FM Radio LNA)
- FM Radio noise
CN401(LCD Connector)
- No LCD Display
U402(LCD Charge Pump)
No LCD Backlight
J201
No SIM
SW301(mobile switch)
- Can’t make a call
Tx Low power
Not good BER
No Service
U205 (MUIC)
No Earphone
-No Download
GS107