LG KU580 Service Manual - Page 102
Microphone Voice call, Voice Recorder, Video Recorder
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4. TROUBLE SHOOTING 4.10.3. Microphone (Voice call, Voice Recorder, Video Recorder) • Microphone Signal Flow - MIC is enable by MIC Bias - CCO, MIC1P, MIC1N signals to ABB3000 (Veronica ) • Check Points - Microphone bias - Audio signal level of the microphone - Soldering of components • Signal from the mic - MIC → - R600 on main board → - CC623,C625 on main board → - Veronoca Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 103 - LGE Internal Use Only
- 103 -
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
4.10.3. Microphone (Voice call, Voice Recorder, Video Recorder)
•
Microphone Signal Flow
- MIC is enable by MIC Bias
- CCO, MIC1P, MIC1N signals to ABB3000 (Veronica )
•
Check Points
- Microphone bias
- Audio signal level of the microphone
- Soldering of components
•
Signal from the mic
- MIC
→
- R600 on main board
→
- CC623,C625 on main board
→
- Veronoca