Nokia RM-512 Service Manual page 48

Figure 28 Earpiece fault flow chart
Figure 29 IHF/ringing tone fault flow
Figure 30 Microphone fault flow
Figure 31 Headset earpiece fault flow chart
Figure 32 Headset microphone fault flow chart
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COMPANY CONFIDENTIAL
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RM-512; RM-513; RM-514; RM-515; RM-543
Baseband Troubleshooting Instructions
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Issue 2