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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
9. PCB LAYOUT
18
A
H
J
K
L
N
M
B
C
D
E
F
G
1
10
J
1
T
R
K
L
M
P
N
E
F
G
H
D
C
B
A
1
5
A
B
C
D
E
C245
R408
LD603
MIC501
41
3
C
U301
C301
C217
U201
L201
22
2
C
L102
LD601
81
2
C
FB201
80
2
C
41
2
C
20
1
R
11
1
C
10
1
C
L105
31
4
C
C412
VA602
U501
L113
C114
01
3
C
10
4
B
V
10
4L
10
2
N
C
20
4L
C404
C405
BAT201
41
6
R
20
5
A
V
30
5
A
V
20
3
U
R325
R323
C322
TP305
21
3
C
TP302
TP303
R324
R327
40
2
R
20
2
R
10
4L
F
50
2
R
Q201
30
2
R
TP304
TP301
12
3
R
31
3
C
91
3
R
C304
22
3
R
C215
90
3
C
50
3
C
31
6
R
LD602
10
4
C
02
2
C
C216
C306
70
3
C
80
3
C
30
3
C
20
3
C
40
2
PT
CN401
C207
20
4
DZ
01
4
C
10
4
DZ
20
4
C
12
2
C
R211
R212
23
2
C
43
2
C
42
2
C
10
5
N
C
33
2
C
63
2
C
53
2
C
20
2
C
C209
C213
C211
X201
C212
33
5
C
93
5
C
73
5
C
12
5
R
L505
13
2
C
72
2
C
03
2
C
62
2
C
20
2
X
L103
C411
10
3
A
V
C538
R522
L504
D501
03
5
C
43
5
C
C528
D502
60
2
C
52
2
C
31
2
R
30
2
C
C205
C201
C237
C229
C228
C238
R210
R209
91
2
C
10
1L
40
1
C
20
1
C
80
1
C
70
1
C
60
1
C
TP205
TP206
TP207
R307
R301
41
3
R
80
3
R
20
3
R
C311
60
3
A
V
R311
30
3
R
10
3
DZ
01
3
R
40
3
R
90
3
R
20
3
A
V
VA313
60
3
R
31
3
R
21
3
R
50
3
R
50
3
A
V
40
3
A
V
40
1
R
61
1
C
01
4
R
J501
C204
01
2
C
10
2
R
C117
11
1L
30
1
C
51
1
C
50
1
C
U101
90
1
C
40
1L
50
4
R
C414
60
4
R
R402
10
4
R
U401
10
4B
F
C418
R612
C527
81
5
R
71
5
R
60
1L
L109
41
1L
01
1L
L108
L107
L112
FL101
R514
23
5
C
92
5
C
62
5
C
R520
53
5
C
91
5
R
C531
62
3
R
51
5
R
63
5
C
ANT103
LG-T370_MAIN_EAX64678601_1.0_TOP
9. PCB LAYOUT
MIC501
-no Voice sending
-no Voice recoding
CN401 :I/O conn.
-no USB Connection.
-no Serial Connection.
U401 : MUIC + Charge ID
-no Booting.
-no USB/Serial Connection.
-no Battery Charge.
-no LCD Backlight
U101 : Tx Module
-no Service
-RF Sensitivity & TX Power
X201 : 26Mhz X-tal
-no Power On
-no Service
U201 : BB IC
-no Power On.
-no Service.
-no FM Radio
J501 : 3.5Φ ear Jack
-no Earphone, headset MIC
U301 : Memory
-no Booting
BAT201 : Backup Cap.
-RTC Reset