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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
u0
1
21
5
C
J501
ENJE0007601
2
3
6
5
4
1
M5_MIC
M4_L
M3_DETECT
M4D-DETECT
M1_R
M6_GND
0.033uF
C508
03
5
R
K2.
2
2.2K
R529
VMIC
MIC501
SUMY0003815
B4010AL443-49
2
1
R528
1K
R532
100
10
14
00
0
Y
V
E
S
50
5
A
V
10
14
00
0
Y
V
E
S
60
5
A
V
39pF
C506
0.033uF
C503
0
R531
70
5
R
0
R533
100
01
5
C
p9
3
10
5
Q
2
3
1
G
D
S
C515
0.1u
C523
1u
1n
C530
1K
R520
10
FB505
FB509
1800
C511
39p
K6
3
32
5
R
31
5
C
p9
3
C545
0.1u
C550
390p
C526
1u
C527
1u
VA501 VA502
R503
12
12
R502
51
5
R
I
N
D
1V8_VTOUCH
U501
TSC2007IYZGR
D3
B3
D2
B2
D1
B1
C3
A3
C2
A2
C1
A1
AUX
SDA
VDD_REF
A1
X+
X-
PENIRQ-
SCL
A0
GND
Y+
Y-
TP501
C549
33p
390p
R514
ZD501
R508
1M
VB501
2
1
VA510
VA511
VA508
VA509
C548
1u
C529
15p
100K
R510
63
5
R
K0
01
1V8_VDD
22n
C533
R535
10
FB501
FB502
72
5
R
K0
21
LMV331
EUSY0407701
U502
4
3
2
5
1
IN+
VCC
GND
IN-
OUT
C537
1u
C501
2.2u
C524
1u
R513
390p
M501
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
FB504 1800
C517
39p
C520
39p
39p
C519
C518
39p
1800
FB503
C525
1u
C509
0.1u
C516
1u
C505
2.2u
VBAT
C502
0.1u
1V8_VDD
DNI
R509
VHSMIC
61
5
R
s
mh
o
K5.
1
100n
L502
42
5
R
s
mh
o
M1
FB506
1800
C536
22n
C528
1n
1V8_VDD
VA504
R512
DNI
VAUX
2.2Kohms
R518
1800
FB508
C532
2.2uF
1V8_VDD
VA503
10
R511
1800
FB507
100
R525
DNI
C531
VA507
TOUCH_INT
HS_MIC_P
HS_MIC_N
I2C_SDA
I2C_SDA
I2C_SCL
I2C_SCL
Y-
X-
X+
HS_OUT_R
HS_OUT_R
HS_OUT_L
HS_OUT_L
RCV_P
RCV_N
Y+
MIC_N
MIC_P
EAR_SPK_P
EAR_SPK_N
HS_HOOK_DETECT
FM_ANT_1
HS_GND
HS_GND
HS_GND
HS_JACK_DETECT
SPK_RCV_P
SPK_RCV_N
VIB
5-3-2-1
AUDIO SUBSYSTEM
5-1-2-6_TPA2055D3
Varister Can be Changed to TVS or ECLAMP
Can be Changed to TVS or ECLAMP
3.5phi HEADSET
MTK, S-GOLD Series must be removed.
MICROPHONE_C_MIC
TOUCH IC
VIBRATOR
1608 1/10W
5-2-1-1