0
4
16
J
1
A
A
B
C
D
H
G
F
E
N
P
M
L
K
R
T
1
2
0
2
E
C
D
F
G
H
B
3 1
4
5
6
12
7
8
9
10
11
3 3 2 C
5 0 4 R
3 0 4 R
4 0 4 R
2 0 4 R
1 0 3 U
FL
40
1
S
W
40
1
2 0 2 N
C
1 0 3 L
1 0 3 R
U
40
1
1 2 4 C
C
42
0
C
11
5
Q101
1 0 1 L
3 3 1 C
8 0 1 R
6 0 1 R
R
10
7
4 3 1 C
U
10
1
C
10
8
1 0 4 T N
A
2 0 3 N
C
1 0 1 N
C
1 0 4 A
V
R
10
4
C
10
6
MI
C3
01
R
22
9
R
20
6
4 0 2 R
1 0 2 C
S
C
22
7
6 2 2 R
8 1 2 R
0 3 2 C
5 2 2 R
FB
20
3
3 2 2 R
C
22
9
0 2 3 C
2 2 3 R
5 1 3 C
4 1 2 C
1 3 2 R
R
20
9
C
21
2
R
23
3
2 3 2 R
1 1 2 C
3 1 2 C
C
31
0
R
31
0
5 3 2 C
4 3 2 C
2 0 3 L
9 0 3 R
6 0 3 C
1 1 3 R
R
30
5
C
30
7
C
30
5
R
30
8
C
41
4
C
41
3
9 1 4 C
8 1 4 C
C
41
2
1 1 4 C
0 1 4 C
9 0 4 C
6 1 4 C
J202
C
40
5
C
40
6
3 0 3 R
2 0 3 C
C
30
1
R
30
2
C
30
4
2 0 4 U
R
30
4
R
30
6
L4
07
L4
05
C
41
7
3 2 4 C
6 0 4 L
3 0 3 C
L4
04
1 1 4 L
6 2 4 C
4 2 1 C
C
12
3
R
41
1
3 0 4 C
FB
10
1
L4
10
L4
02
C
10
7
C
10
2
R
22
4
C
22
8
R
22
0
R
22
2
C
10
9
C
10
5
C
12
2
R
30
7
1 0 1 P T
4 0 4 C
5 2 1 C
0 1 1 R
3 1 4 L
2 1 4 L
L4
09
L4
01
C
11
2
C
11
3
2 0 4 T
N
A
C
10
3
C
11
0
R
10
9
C
11
1
C
11
4
X10
1
6 1 2 R
5 0 1 P T
R
31
2
R
10
5
C
10
1
1 3 1 C
C
13
2
C
10
4
C
11
9
R
10
3
C
11
8
C
11
7
Q203
5 1 2 C
R
40
1
J201
2 0 1 X
3 0 1 P T
4 0 1 P T
L4
03
6 0 4 R
7 0 4 R
2 2 4 C
8 0 4 R
5 1 4 C
C
13
0
C
12
0
C
11
6
C
12
1
U
10
2
C
12
6
1 1 2 R
Q201
2 1 2 R
R
10
2
5 1 2 R
Q202
4 1 2 R
3 1 2 R
0 1 2 R
C
21
8
FB
20
4
FB
20
5
1 0 1 R
2 1 3 C
R
23
4
U202
8 4 3 R
C
24
0
7 4 3 R
C
24
2
C
21
0
C
24
1
R
41
3
R
41
0
2 0 1 P T
9 0 4 R
ZD
20
1
Q401
C
42
4
C
22
4
C
23
9
C
12
7
R
22
8
C
23
8
8 2 1 C
9 2 1 C
3 1 3 C
R
31
4
C
32
4
5 2 3 C
0 2 3 R
8 1 3 R
7 1 3 R
U
30
4
R
20
5
R
22
7
FB
20
2
FB
20
1
C
23
6
C
21
6
C
23
7
R
23
0
7 0 2 R
8 0 2 R
C
34
4
7 4 3 C
8 4 3 C
U
20
1
R
20
2
C
20
4
R
20
1
C202
C203
C
20
1
L2
01
C
22
3
R
21
7
C
22
2
C
22
5
3 0 2 U
C
23
2
7 1 2 C
C
22
0
1 2 2 C
C
22
6
R
22
1
1 3 2 C
C
21
9
R
21
9
C
31
7
1 2 3 C
8 0 3 A V
2 2 3 C
9 0 3 A V
C
33
5
C
20
5
C
N
20
1
CN202 (Battery Connector)
- No charging
- No power on
CN 302
-No Display
-No Sound
-No Vibration
J202
-Do Not Insert
U301(Audio Amp)
-No SPK Sound
U100 (Main BB)
-No operating almost all
functions
U300 (Tx Module)
- Can’t make a call
- Tx Low power
- Not good BER
- No Service
SW401(mobile switch)
- Can’t make a call
-Tx Low power
- Not good BER
- No Service
U202
-Do Not Insert
U304 (Charge Pump)
-No LCD Backlight
U201(charge IC)
- No Charging
J201(SIM Con.)
-SIM Detecting/working bad
CN101( J-Tag Con.)
-SIM Detecting/working bad
U203 (MUIC)
-No Earphone
-No Download
U102
-No booting
MIC301(C-MIC)
- Mute Sending volume
CN201(IO Con.)
-No Charging
-No Ear_Mic operation
--No Download
- 110 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
9. PCB LAYOUT