3. TECHNICAL BRIEF
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Only for training and service purposes
LGE Internal Use Only
I
N
D
62
5
C
1
DZ
72
5
C
I
N
D
0.1u
C224
10u
C528
MIC_BIAS
MIC500
4
3
2
1
P
G1
G2
O
MIC_1N
MIC_1P
GND
00
5L
n0
72
C504
10u
15
R511
R508
15
01
92
5
R
0.1u
C538
1800
FB502
00
5
Q
S
G
D
00
5
DZ
J500
6
1
4
4D
5
M5-MIC
M4-DETECT
M4-L
M1-R
M6-GND
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
FB503
1800
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_MSMP_2.6V
G5
T
S0
_5
B9
D
S
E
10
5
D
G5
T
S0
_5
B9
D
S
E
00
5
D
FB504
1800
K0
01
30
5
R
T
A
B
V
C540
2.2u
C539
1u
C519
47p
47p
C520
12
5
C
u1.
0
22
5
C
p5
1
EARJACK_SENSE
HS_MIC
HOOK_ADC
FM_ANT
EAR_L
EAR_R
MATING
EAR_SENSE
UNMATING
STATE
LOW(DEFAULT)
HIGH
Figure. MIC
Figure. 3.5pi Ear Jack Connector