Only For Training And Service Purposes - LG KM380t Service Manual

3. TECHNICAL BRIEF
3.15.2 Microphone circuit
MIC MIC
L401
MIC_P
L402
MIC_N
LGE Internal Use Only
MICBIAS
100nH
C401
22n
100nH
C402
22n
C404
27p
C403 27p
Figure 20. Microphone Circuit Diagram
C400
DNI
C405 C406
100p 10u
Copyright © 2008 LG Electronics. Inc. All right reserved.
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MIC400
1
OUT
2
G1
3
G2
4
G3
5
PWR
6
G4
SPM0204LE5-QB

Only for training and service purposes