8 MIC Connector (JP201)
8.1 Affected Units
Type:
Affected IMEIs / Date Codes:
Affected SW-Versions:
8.2 Fault Description
Fault Symptoms for customers:
The called party can't hear any voice.
Fault Symptom on GSM-Tester:
None
Component Information
The MIC connector is a two pins holder. See drawing below. There will be about 1.2V bias on
PIN-2 as the system is power on. The voice trace here is single end structure. Voice signal will
be received by the microphone and goes to the VBC via PIN-2.
V 1.1
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