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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
C700
2.2u
60
7
A
V
D700
39n
C718
VBAT
C716
39n
FB704
1800
CN701
6
1
4
4D
5
M5-MIC
M4-DETECT
M4-L
M1-R
M6-GND
C729
33p
C732
47p
C730
15p
C733
47p
R710
1
L702
33n
VREG_MSME_1.8V
31
7
R
M1
R714
2.2K
C731
DNI
70
7
A
V
0
90
7
R
C720
10u
VA701
C702
4.7u
VA700
82n
L700
VB700
2
1
L701
82n
10
R702
R703
10
CN700
HIR-02A57-0000AA
2
1
VA705
VA704
33p
C727
33p
C726
C728
1u
21
7
R
M1
M700
3
D
1
C
2
E
2
A
C2
B2
B4
A4
B3
E1
A3
D1
A1
C3
B1
E4
E3
C4
4
D
2
D
D
D
V
P
H
D
D
V
P
S
IN3-
OUT+
OUT-
HPL
IN3+
HPR
CP
IN1+
CN
IN1-
IN2+
IN2-
SDA
SCL
S
AI
B
D
D
V
P
C
S
S
V
P
C
D
N
G
VREG_MSME_1.8V
2.2u
C725
C715
2.2u
600
FB700
VREG_MSME_1.8V
C707
1n
VBAT
FB701
600
U700
EAN62065901
MAX14579E
9
6
5
3
4
8
2
7
1
RES
DET_IN
MODE
MIC
DET
SWD
CAP
C
C
V
D
N
G
P
C708
1n
FB702
1000
FB703
1000
70
7
R
K7.
4
C713
39pF
80
7
R
K7.
4
C717
0.1u
R711
1
C734
220n
R715
10K
VREG_P3_2.85V
80
7
A
V
C735
DNI
C736
DNI
C714
2.2u
FB705
FB706
FB708
600
FB707
600
C711
0.1u
ZD700
30
7
A
V
C703
0.1u
C701
0.1u
20
7
A
V
12
7
C
p9
3
R704
100
R700
1K
2.2K
R701
K2.
2
60
7
R
100
R705
MIC700
2
1
DNI
C712
DNI
C722
2.2u
C723
2.2u
C724
C719
2.2u
LINE_OP
FM_L
FM_R
HPH_R
HPH_L
FM_ANT
RCV_P
RCV_N
EAR_SENSE
HS_MIC
HS_MIC
MIC_1P
AUDIO_I2C_SCL
AUDIO_I2C_SDA
EAR_L
EAR_L
EAR_R
EAR_R
LINE_ON
3.5PI_KEY_POLE_DET
MIC_MODE
EAR_SENSE_3.5PI
EAR_SENSE_3.5PI
VIB_DRV_N
MIC_1N
MIC_BIAS
SPK_RCV_P
SPK_RCV_P
SPK_RCV_N
SPK_RCV_N
SPEAKER
Delete 11.03.24
EAR_SENSE CIRCUIT
Delete 11.03.24
EAR_MIC_BIAS CIRCUIT
VIBRATOR
CMIC
MTK, S-GOLD Series must be removed.
Varister Can be Changed to TVS or ECLAMP
HEADSET_DETECT
3.5pi Ear Jack Connector
4 Pole
3 Pole
SWD
DET
Audio SUB SYSTEM
L
L
L
H