LG E900 Service Manual page 118
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Also See for E900:
- User manual (274 pages) ,
- Quick reference manual (234 pages) ,
- Owner's manual (98 pages)
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4.13.4 Microphone for main MIC
Main Microphone path as below:
MIC
MIC_1P/1N (TP2)
TP1
MIC_BIAS
MAIN MIC (TP3)
Start
Make a call
MIC_BIAS(TP1) is
1.6V~1.8V?
YES
make some sound or
voice to MIC
Can you scoping some
sound signal
at TP2?
YES
Can you scoping some
sound signal at TP3
YES
Work well?
YES
END
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
MAIN MIC (TP3)
NO
Change the Main B'd
NO
Change the Main B'd
NO
Change the MIC
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4. TROUBLE SHOOTING
LGE Internal Use Only
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Troubleshooting
