3. TECHNICAL BRIEF
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Only for training and service purposes
LGE Internal Use Only
FB500
600
31
5
R
02
41
5
R
02
FB501
600
1n
C503
10
R526
R525
10
10
R509
10
R510
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
VREG_MSME_1.8V
C513
0.1u
C507 470n
0.1u
C525
VBAT
20
5
C
u1
00
5
C
p9
3
2.2u
C523
LINE_OP
HPH_R
RCV_P
RCV_N
AUDIO_I2C_SDA
AUDIO_I2C_SCL
SPK_RCV-
EAR_L
EAR_R
HPH_L
LINE_ON
Figure. Audio SUB System