Microphone Trouble - LG T5100 Service Manual
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Also See for T5100:
- User manual (121 pages) ,
- User manual (233 pages) ,
- User manual (249 pages)
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3. BASEBAND PART TROUBLE SHOOTING
3.8 Microphone Trouble
Figure 31. Mic Circuit
Microphone Signal Flow
- MIC is enabled by MICBIAS
- MICBIAS is supplied from ABB(IOTA)
- MICP, MICN signal to ABB(IOTA)
Check Points
- Microphone bias level
- Audio signal level of the microphone
- Soldering of components
MICP
MICN
L301 R331 R328 L302
Figure 32. Mic
- 51 -
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Table of Contents
Troubleshooting
