LG -MC2670 Service Manual page 40

LG-MC2670
2.3.6 MIC Trouble
Test points
C450 MIC Filter
C451
U403
R440
Figure 2.3.9 MIC & BIAS PART
Figure 2.3.10 MIC FILTER PART
Circuit Diagram
Figure 2.3.11 MIC & MIC FILTER
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