External microphone troubleshooting......................................................................................................... 3–55
Acoustics troubleshooting............................................................................................................................. 3–56
Introduction to acoustics troubleshooting ............................................................................................ 3–56
Earpiece troubleshooting......................................................................................................................... 3–57
IHF troubleshooting.................................................................................................................................. 3–58
Microphone troubleshooting ................................................................................................................... 3–59
Vibra troubleshooting.................................................................................................................................... 3–60
Baseband manual tuning guide......................................................................................................................... 3–61
Certificate restoring for BB5 products.......................................................................................................... 3–61
Energy management calibration.................................................................................................................. 3–66
List of Tables
Table 8 Display module troubleshooting cases................................................................................................ 3–29
Table 9 Pixel defects ........................................................................................................................................... 3–29
Table 10 Calibration value limits ....................................................................................................................... 3–66
List of Figures
Figure 8 Flashing pic 1. Take single trig measurement for the rise of the BSI signal.................................. 3–18
Figure 9 Flashing pic 2. Take single trig measurement for the rise of the BSI signal.................................. 3–19
Figure 10 GPS antenna and GPS block location................................................................................................ 3–33
Figure 11 GPS layout and basic test points....................................................................................................... 3–34
Figure 12 GPS Control dialog box....................................................................................................................... 3–35
Figure 13 GPS Quick Test window for GPS troubleshooting ........................................................................... 3–36
Figure 14 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is
connected. ................................................................................................................................................. 3–49
Figure 15 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected. ................................................................................................................................................. 3–49
Figure 16 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected....
3–50
RM-509; RM-510; RM-511
BB Troubleshooting and Manual Tuning Guide
Page 3 –4 COMPANY CONFIDENTIAL Issue 2
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