LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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4.10.3 Microphone (Voice call, Voice Recorder, Video Recorder)
•
Microphone Signal Flow
- MIC is enable by MIC Bias
- CCO, MIC1P, MIC1N signals to AB3000• Check Points
• Check Points
- Microphone bias
- Audio signal level of the microphone
- Soldering of components
• Signal from the mic
- MIC
→
- R616 on main board
→
- C624,C625 on main board
→
- AB3000
Z3X-BOX.COM
Содержание KT520
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