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AUDIO SUBSYSTEM
VDD_IO_1V8
2.2u
C505
R508
12
C4
IN3-
R509
12
C3
IN3+
1u
C507
A3
SPK_HS_L
IN1+
1u
C508
B3
SPK_HS_R
IN1-
RCV_HS_P
C510
0.1u
A4
IN2+
C515
0.1u
B4
RCV_HS_N
IN2-
B2
I2C_SDA
SDA
C2
I2C_SCL
SCL
C517
2.2u
SPEAKER
39p
C528
L504
SPK_P
0
DNI
C530
L505
SPK_N
0
C537
39p
LGE Internal Use Only
VBAT
C504
C503
0.1u
10u
600
FB504
E3
SPK_P
OUT+
E4
FB505
SPK_N
OUT-
600
B1
HPL
HS_OUT_L
M501
A1
HS_OUT_R
HPR
D1
CP
C513
C514
C516
39p
39p
E1
2.2u
CN
C518
C519
2.2u
2.2u
HS_GND
CN501
1
MAIN_MIC_P
2
EAB62429501
MAIN_MIC_N
D501
D502
3.5pi HEADSET
C501
FM_LNA_IN
1n
C502
L501
VA501
27p
100n
R505
HS_GND
DNI
FB501
10
FB502
M6
FB507
M1
M4D
FB503
M4
M5
J501
JAM3333-F36-7H
EAG63234901
HS_MIC
MAIN MIC
VMIC_BIAS_P
C527
C526
10u
39p
MIC501
C529
33n
100
1
R517
2
C531
SUMY0003816
39pF
OBM-410L44-RC1882
C532
33n
100
R518
C535
C536
VA502
VA503
39p
39p
- 124 -
VDD_IO_1V8
R501
47K
R523
DNI
KTJ6131V
R503
Q501
220K
R504
10
1800
R506
4.7
1800
1800
R507
4.7
FB506
1800
HS_MIC
C509
C506
1n
1n
ZD501
ZD502
ZD503
C540
39pF
ZD504
VAUD_HS_BIAS
R511
1.5K
R512
C520
2.2K
22n
C521
39pF
C522
22n
C523
C524
C525
2.2u
VDD_IO_1V8
47p
47p
U502
NCS2200SQ2T2G
5
R524
VIN-
4
VCC
1
1K
R527
HS_HOOK_DET
VIN+
3
OUT
47
GND
C541
2
120p
Proximity Sensor
VPROX_3V0
U501
GP2AP002S00F
R521
1
8
LEDA
SCL
I2C_SCL
0
2
7
LEDC
SDA
I2C_SDA
R522
3
6
VDD_IO_1V8
VCC
VIO
10
4
5
VOUT
C534
PROX_INT
GND
EUSY0376201
1u
7. CIRCUIT DIAGRAM
HS_OUT_R
HS_JACK_DET
HS_OUT_L
HS_GND
HS_MIC_N
HS_MIC_P
HS_GND
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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