Mr Sensor (Switch) Troubleshooting; Audio Troubleshooting; Audio Troubleshooting Test Instructions - Nokia RM-164 Service Manual

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RM-164
BB Troubleshooting and Manual Tuning Guide

MR sensor (switch) troubleshooting

Troubleshooting flow

Audio troubleshooting

Audio troubleshooting test instructions

Differential external earpiece and internal earpiece outputs can be measured either with a single-ended or
a differential probe.
Issue 1
COMPANY CONFIDENTIAL
Page 3 –27
Copyright © 2007 Nokia. All rights reserved.

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