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Nokia RM-721 - Internal Earpiece Troubleshooting

Nokia RM-721
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Figure 12 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected.
Internal earpiece troubleshooting
Troubleshooting flow
RM-721; RM-722
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 – 33
Copyright © 2011 Nokia. All rights reserved.

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