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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
0
R502
C508
1n
VA502
C505
2.2u
C503
33n
FB505 120
FB504 120
33n
C504
C524
100n
+VPWR
R516
510
2.2u
C511
39p
C515
R500
10
10
R501
R515
1K
R508
1.2K
U501
2
3
1
4
5
VCC
VIN-
OUT
VIN+
GND
2.2u
C510
R507
33K
C519
10u
CN501
6
5
7
4
8
3
9
2
10
1
U500
5
3
2
4
1
VOUT
VDD
GND
CE
PGND
VREG_HSMIC_2.1V
CN500
2
1
120
FB503
FB501
120
FB502
120
R506
DNI
120
FB500
VA500
VA501
ZD500
R503
DNI
C523
1u
R511
560K
2.2K
R513
VREG_MSMP_2.6V
R512
47K
VREG_MSMP_2.6V
C526
2.2u
100K
R514
C525
0.1u
FB506
120
Q500
S
G
D
C518
0.1u
0.1u
C521
C506
1n
1n
C507
1n
C509
M500
D3
C1
E2
A2
C2
B2
B4
A4
B3
E1
A3
D1
A1
C3
B1
E4
E3
C4
D4
D2
HPVD
D
SPVD
D
IN3-
OUT+
OUT-
HPL
IN3+
HPR
CP
IN1+
CN
IN1-
IN2+
IN2-
SDA
SCL
BIAS
CPVD
D
CPVSS
GN
D
VA504
39p
C516
39p
C522
47K
R504
VREG_MSMP_2.6V
39p
C517
VREG_HSMIC_2.1V
VA503
C500
2.2u
2.2u
C514
2.2u
C513
C501
0.1u
2.2u
C512
C502
2.2u
+VPWR
VREG_MSME_1.8V
HSMIC_BIAS_EN
HPH_L
HPH_R
LINE_OUT_P
HS_SENSE
HS_OUT_R
HS_OUT_R
HS_OUT_L
HS_OUT_L
HOOK_DETECT
EAR_GND
EAR_GND
SPK_RCV-
SPK_RCV-
RCV_P
RCV_N
MIC_2P
MIC_2N
AUDIO_I2C_SDA
AUDIO_I2C_SCL
RLED_DRV
LINE_OUT_N
NEED TO SELECTING BEAD VALUE
CHANGE : L -> BEAD
Near to AudioSUB
3 Layer
Audio Subsystem
Earjack_GPIO
Speaker/Receiver