Camera And Hwa Hardware Troubleshooting; Audio Troubleshooting; Audio Troubleshooting Test Instructions - Nokia RM-429 Service Manual

RM-429
BB Troubleshooting and Manual Tuning Guide

Camera and HWA hardware 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.
When measuring with a single-ended probe each output is measured against the ground.
The input signal for each loop test is single-ended.
Issue 1 COMPANY CONFIDENTIAL Page 3 –33
Copyright © 2008 Nokia. All rights reserved.