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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
9. PCB LAYOUT
D
1
D
5
T
R
P
B
A
1
K
J
H
G
F
E
D
C
J
K
L
M
N
E
F
G
H
14
C
B
A
1
61
B
A
1
5
C
D
12
04
02
CN202
U40
1
SW
401
U20
2
21
1
C
R11
8
R32
1
R32
2
C48
8
CN
301
ZD304
R42
4
32
4
R
61
2
C
R20
1
54
2
C
C13
1
Q101
L10
1
C11
3
C11
7
C11
5
C14
1
23
1
C
CN
20
3
60
4
R
R20
6
L40
1
01
1
R
34
1
C
R31
5
C33
8
C20
1
68
4
C
C43
0
01
4
R
S201
FB
210
R12
6
C14
5
R12
9
U10
1
R32
6
D306
C12
1
C13
5
C26
3
33
1
C
C25
3
30
3
D
C45
8
82
2
R
32
3
R
L40
4
C45
0
C46
7
C45
6
C45
7
52
4
C
R24
8
R21
4
R31
8
11
3
DZ
L41
5
79
4
C
27
4
C
J2
01
FB
211
R24
7
R20
8
Q201
C32
4
R20
2
20
2
BF
20
3
U
R20
3
C23
1
31
3
C
C32
3
01
3
DZ
30
3
DZ
57
4
C
C41
8
U402
C47
1
L41
4
C22
9
C23
0
C23
4
96
4
C
R23
2
R23
6
21
2
C
VB3
01
R42
5
ZD305
60
3
R
20
3
D
C48
9
C49
1
09
4
C
Q402
R23
1
FB
206
R23
0
33
2
R
C25
1
C25
0
94
2
C
R23
5
R23
4
R22
9
01
2
C
R20
4
71
2
C
C20
8
64
2
C
31
2
C
C11
0
C11
6
C12
6
05
1
R
11
1
R
C11
4
21
1
R
70
1
C
C11
9
FB
201
C21
4
61
1
R
93
1
C
91
1
R
24
1
C
C14
8
43
1
C
44
1
C
CN302
73
3
C
91
3
R
22
3
C
50
3
R
10
3
U
L41
7
10
1
R
10
4
DZ
70
4
R
R10
2
C43
2
C42
7
R40
8
C43
1
22
4
R
Q401
R40
9
82
4
C
C21
5
R12
8
C22
2
R12
7
C20
9
C21
1
R12
5
91
2
C
C21
8
74
2
C
R20
5
C20
7
84
2
C
22
1
C
C11
1
41
1
R
C10
4
TP
104
92
1
C
C10
6
C12
4
C11
8
C14
7
02
1
C
R11
5
02
3
C
30
1
R
C10
2
71
1
R
10
1
X
R33
0
FB
209
C20
6
10
3
D
VA
202
23
3
C
01
3P
T
C32
1
TP
309
R31
3
41
3
R
12
2
C
02
2
C
12
4
R
U103
R10
4
10
1P
T
20
1
U
53
1
R
80
1
C
R21
0
90
1
R
C10
5
50
1
R
R11
3
10
1
BF
VA
201
80
2
BF
AN
T40
2
R21
3
R13
0
C14
6
R13
4
U10
4
C10
3
60
1P
T
C12
3
C13
6
VA
215
80
2
A
V
C26
1
C26
0
25
2
C
73
1
R
60
1
R
33
2
C
72
2
C
62
2
C
23
2
C
R13
1
R13
3
R13
2
R13
8
50
1P
T
TP
103
C10
1
70
1
R
TP
102
R12
4
R12
3
20
1
X
73
1
C
C12
5
C12
8
C12
7
03
1
C
VA
209
50
2L
C25
4
24
2
R
MIC
201
32
2
C
R30
4
R21
1
C22
5
TP
109
10
1T
A
B
30
4L
26
4
C
30
4L
F
CN
305
42
2
C
10
2
U
72
2
R
C10
9
L40
5
L40
9
20
4L
F
L40
6
01
4L
70
4L
80
4L
C45
2
20
4L
C46
0
41
4
R
GND403
60
3
C
90
3
C
55
2
C
10
3J
TP
110
TP
107
40
3
D
50
3
D
70
3
C
13
3
C
01
3
C
80
3
C
52
3
R
42
3
R
L41
6
C45
1
40
4
U
32
4
C
C42
4
12
4
C
AN
T40
3
C32
6
C33
0
C47
3
56
4
C
31
4
R
95
4
C
R30
2
R30
3
50
3
C
40
3
C
21
3
C
11
3
C
C32
8
C33
6
C33
5
C32
7
10
4P
T
C48
4
C40
8
R40
1
20
4P
T
C47
8
C47
6
C47
4
C46
6
C46
3
C45
4
C46
4
C46
1
L41
3
C47
0
GND404
40
2
A
V
04
2
R
50
2
A
V
92
3
C
69
4
C
35
4
C
R21
5
L20
4
40
2
BF
30
2L
R22
3
44
2
C
53
2
C
C32
5
30
4P
T
60
4P
T
TP
412
TP
405
40
4P
T
40
4
R
55
4
C
C48
7
C23
7
71
2
R
10
2
D
20
2
D
61
2
R
10
4
D
N
G
90
4
C
L20
1
VA
207
C23
9
L20
2
70
2
BF
60
2
A
V
42
2
R
50
2
BF
R21
2
R20
9
30
2
U
30
3
N
C
TP
305
10
3L
F
30
3L
F
81
3
C
R30
9
10
3
DZ
C31
5
61
3
C
40
4T
N
A
70
4P
T
51
4
R
TP
411
C41
0
C48
3
C41
9
10
4
X
71
4
C
10
2
N
C
20
3L
F
80
3
R
73
2
R
SC
201
C22
8
10
3
A
V
TP
304
TP
303
02
3
R
TP
301
TP
302
70
3
R
TP
307
10
3
C
20
3
DZ
71
3
C
C40
2
R40
2
R40
3
LG-T315i-MAIN-SPFY0230301-1.0-BOT
ANT402 : FM radio Intenna contact
- no FM radio
J201 : 3.5 pai ear jack
- no Earphone, headset MIC
CN305 : 2M Camera socket
- no Camera
CN201 : I/O conn.
- no USB Connection.
- no Serial Connection.
U203 : MUIC
- no Booting
- no USB/Serial Connection
CN303 : LCD Conn.
- no Display
J301 : SIM Conn.
- No SIM
U301 : Touch & Haptic IC
- no touch screen
U302 : ChargePump
- no LCD backlight
U201 : Charging IC
- no Battery Charge
CN202 : Battery Conn.
- no power On
S201 : T-Flash Socket
- no T-Flash Memory
ANT404 : BT Intenna contact
- no BT Connection
U202 : Audio Amp.
- no Sound
U101 : Memory
- no Booting
U102 : BB IC
- no Power On
- no Servive
- no FM radio
X102 : 26Mhz X-tal
- no Power On
- no Service
BAT101 : BackupCap.
- RTC Reset
U404 : PAM
- no Service
- RF Sensitivity & TX Power
MIC201 : MAIN MIC
- no voice sending
- no voice recording
U401 : BT/WIFI Module
- no BT Connection
- no WIFI Connection