LG D690 - Page 70

3. TROUBLE SHOOTING
- 70 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
- Disable to using headset MIC or headset receiver when voice call
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SPK_L
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MIC
GND
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Close to 3.5pi ear-jack
MAIN GND
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Detect pin test point
Disable to using headset MIC or headset receiver when voice call