Microphone Trouble - LG GD510 Service Manual

5. Trouble shooting
GD510 Operational Description

5.7 Microphone trouble

Check Points
-Microphone hole
-Mic. Bias & signal line
MAIN_MIC_N
MAIN_MIC_P
LGE Internal Use Only
LG Electronics
MIC
VMIC_P
C225 0.022uF L202
C227
39pF
C226 0.022uF L201
C228
C229
39pF 39pF
VMIC_N
L203
0.1uH
0.1uH
0.1uH
C231
VA201
10u
EVLC14S02050
- 68 - Copyright © 2009 LG Electronics. Inc. All right reserved.
73/113
Revision A
MIC201
1
P
2
G1
3
G2
4
O
SPU0410HR5H-PB
MIC101
L210,L202
L203
LGE Property
Only for training and service purposes