LG KP500 - Page 49

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3. TECHNICAL BRIEF
3.12.2 Microphone circuit
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2
0 Pin Connector
Pin14 : MAI
N
_MIC_P
Pin13 :
VMIC_P
Pin15 : MAI
N
_MIC_N
Pin1
2 : VMI
C
_N
IN
D
6
01C
u1
9
01
R
VBAT
M
IC
101
S
P
M02
0
4
H
E
5
-
P
B
-
3
S
U
M
Y0
0
1
0
6
03
G
1
2
G
2
3
O
1
P
4
13
14
15
1
6
1
7
18
192
20
3
4
5
6
7
8
9
ENB
Y0
020
1
01
AX
K
82
0
14
5
WG
CN101
1
10 11
1
2
p72
2
01C101C
p7
2
2
01
AV
EV
L
5M
02200
SE
V
Y000
3
901
101AV
)
5
(N
I
_
P
K
)
2(
TU
O
_PK
)
3(TUO_P
K
)0
(
TUO
_
PK
DNE
R_
D
EL
)3(
N
I_PK
Figure 18 Microphone circuit