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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
CN100
14
13
12
11
10
8
7
6
5
4
3
2
1
9
SW1
SW2
R530
51
51
R535
00
5L
n0
72
C504
10u
FB500
600
K6
5
12
5
R
15
R511
R524
DNI
R508
15
31
5
R
02
41
5
R
02
p2
2
03
5
C
C532
22p
01
5
AV
11
5
AV
21
5
AV
01
92
5
R
0.1u
C538
20
5
DZ
VA517
VA516
VA515
VA514
VA513
FB501
600
I
N
D
62
5
C
1800
FB502
00
5
Q
S
G
D
00
5
DZ
1n
C503
J500
6
1
4
4D
5
M5-MIC
M4-DETECT
M4-L
M1-R
M6-GND
90
5
AV
10
R526
R525
10
10
R509
10
R510
1
DZ
VREG_USIM_2.85V
20
5
D
81
5
C
I
N
D
33p
C505
VREG_HS_MIC_1.8V
K2.
2
50
5
R
R512
100K
10
5
DZ
J501
8
7
6
3
5
2
4
1
VCC
GND
RST
VPP
CLK
I_O
GND1
GND2
FB503
1800
72
5
C
I
N
D
C515
2.2u
u
0
1
1
0
5
C
2.2u
C524
C508
470n
EUSY0403901
IC500
WM9093ECS-R
3
B
A4
C3
C2
2
B
D1
D3
4
D
C1
A1
D2
1
B
D5
A2
A5
A3
B5
4
B
C5
4
C
D
N
G
OUT+
D
D
V
P
H
CPVDD
CPVSS
CN
HPL
OUT-
S
AI
B
IN2-
HPR
IN1+
D
D
V
S
IN3-
IN2+
A
D
S
IN1-
IN3+
CP
L
C
S
2.2u
C517
1u
C514
C511
1u
0.1u
C512
C506
1n
2.2u
C516
C509
39n
39n
C510
0.1u
C224
K7
4
20
5
R
U500
5
3
2
4
1
VOUT
VDD
GND
CE
D
N
G
P
K7
4
63
5
R
VREG_MSME_1.8V
C513
0.1u
VREG_MSMP_2.6V
10u
C528
C507 470n
G5
T
S0
_5
B9
D
S
E
10
5
D
G5
T
S0
_5
B9
D
S
E
00
5
D
Q502
D
G
S
C531
100n
32
5
R
K1.
5
MIC_BIAS
0.1u
C525
VBAT
FB504
1800
20
5
C
u1
K0
01
30
5
R
00
5
C
p9
3
2.2u
C523
T
A
B
V
92
5
C
p2
2
MIC500
4
3
2
1
P
G1
G2
O
71
5
R
K6
5
2.2u
C534
VREG_MMC_3.0V
VA507
VA501 VA502 VA503 VA504 VA506
22
5
R
M1
02
5
R
K6
5
81
5
R
K6
5
R532
51
VREG_MSMP_2.6V
R534
51
R533
51
C540
2.2u
C539
1u
R531
51
61
5
R
K6
5
C519
47p
47p
C520
12
5
C
u1.
0
22
5
C
p5
1
MIC_1N
LINE_OP
nMICROSD_DET
MIC_1P
HPH_R
SIM_RST
SIM_CLK
RCV_P
RCV_N
EARJACK_SENSE
HS_MIC
SIM_IO
HOOK_ADC
AUDIO_I2C_SDA
AUDIO_I2C_SCL
SIM_PWR_EN
SPK_RCV-
FM_ANT
GND
GND
EAR_L
EAR_L
EAR_R
EAR_R
HPH_L
LINE_ON
MMC_CMD
MMC_DATA[2]
MMC_DATA[3]
MMC_CLK
MMC_DATA[0]
MMC_DATA[1]
3.5pi Ear Jack Connector
Micro SD
MATING
EAR_SENSE
Audio SUB SYSTEM
UNMATING
STATE
LOW(DEFAULT)
HIGH
AUDIO
MIC
USIM
MMC_DETECT
HIGH
LOW ( DETECT )
SWITCH
OPEN
CLOSE