Mic Connector (Jp201) - Siemens ST55 Repair Documentation

Hide thumbs Also See for ST55:
Table of Contents

Advertisement

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
ST55
Page
of
20
Company Confidential
Copyright 2003© Siemens AG
s Com
ST55
All/All
All
39
COM MD CC GRM T
01/05

Advertisement

Table of Contents
loading

Table of Contents