LG KG200 Service Manual - Page 36

Audio Problem [MIC problem]

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4. Troubleshooting Audio Problem [MIC problem] Start Check LS201 pad and MIC NO Clean LS201 pad and change MIC YES NO Check R220, R221, R202, R207, C202 Change R220, R221, R202, R207, C202 YES NO Check C208, C200 Change C208, C200 YES MIC will work properly R202, R207 R220, R221 MIC200 C208 C202 C200 - 37 -

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4. Troubleshooting
- 37 -
Audio Problem [MIC problem]
Start
Check R220, R221, R202, R207, C202
Change R220, R221, R202, R207, C202
Check LS201 pad and MIC
Clean LS201 pad and change MIC
Check C208, C200
Change C208, C200
MIC will work properly
YES
YES
YES
NO
NO
NO
MIC200
C208
C202
C200
R202, R207
R220, R221