LG KP500, Service Manual

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LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5. Trouble shooting
- 81 -
5.7 Microphone trouble
Check Points
- Microphone hole
- Mic. Bias & signal line
5
6
7
8
9
1
10 11
12
13
14
15
16
17
18
19 2
20
3
4
CN501
AXK720147G
ENBY0019501
ICVL0505101V150FR
7 0 5 A V
0 8 6 8 0 5 R
0 8 6 6 0 5 R
3 0 5 A V 4 0 5 A V
1 0 5 B F
VBAT
0 8 6 7 0 5 R
n 2 2 4 1 5 C
n 2 2 5 1 5 C
6 1 5 C
0 0 5 L
H n 0 0 1
u 2 . 2
2 0 5 0 5 A V
2 0 5 B F
1 2 5 C
u 1
7 1 5 C
p 7 2
ICVL0505101V150FR
6 0 5 A V
) 3 ( T U O _ P K
) 0 ( T U O _ P K
) 2 ( T U O _ P K
P _ C I M V
N _ C I M _ N I A M
P _ C I M _ N I A M
N _ C I M V
MIC101
20 Pin Connector
Pin14 : MAIN_MIC_P
Pin13 : VMIC_P
Pin15 : MAIN_MIC_N
Pin12 : VMIC_N
I N D
6 0 1 C
u 1
9 0 1 R
VBAT
MIC101
SPM0204HE5- PB- 3
SUMY0010603
G1
2
G2
3
O
1
P
4 13
14
15
16
17
18
19 2
20
3
4
5
6
7
8
9
ENBY0020101
AXK820145WG
CN101
1
10 11
12
p 7 2
2 0 1 C 1 0 1 C
p 7 2
2 0 1 A V
EVL5M02200
SEVY0003901
1 0 1 A V
) 5 ( N I _ P K
) 2 ( T U O _ P K
) 3 ( T U O _ P K
) 0 ( T U O _ P K
D N E
R _ D E L
) 3 ( N I _ P K
TP1
TP2
TP3