LG KP500 Service Manual page 49
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3. TECHNICAL BRIEF
3.12.2 Microphone circuit
20 Pin Connector
VBAT
N E
D
L
D E
R _
K
_ P
N I
) 3 (
K
_ P
N I
) 5 (
10
LGE Internal Use Only
Pin15 : MAIN_MIC_N
Pin14 : MAIN_MIC_P
Pin13 : VMIC_P
CN101
Pin12 : VMIC_N
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
11
AXK820145WG
ENBY0020101
Figure 18 Microphone circuit
P K
O _
T U
) 0 (
P K
O _
T U
) 2 (
P K
O _
T U
) 3 (
1 C
1 0
1 C
2 0
1 C
6 0
V
1 A
1 0
V
2
p 7
2
p 7
u 1
SEVY0003901
EVL5M02200
Copyright © 2008 LG Electronics. Inc. All right reserved.
- 50 -
MIC101
1
SPM0204HE5- PB- 3
O
SUMY0010603
2
G1
3
G2
4
P
1 R
9 0
1 A
2 0
D
I N
Only for training and service purposes
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