LG PRADA KE850 - Microphone Trouble

5. Trouble shooting
- 87 -
5.7 Microphone trouble
Check Points
-Microphone hole
-Mic. Bias & signal come from
120
FB201
C225
1u
C222 0.1u
C223
27p
0
R226
8
9
10
11
12
13
14
202
C221
39p
C220 0.1u
FB202
120
MICP
LED_R
MICN
VMICP
PWRON
2
G1
3
G2
1
O
4
P
SPM0204HE5-PB-3
MIC101
8
9
10
11
12
13
14
VA102VA101
27p
C102
27p
C101
LED_R
PWRON