User Guide

NFC troubleshooting for service.................................................................................................................... 3–49
NFC troubleshooting for repair analysis ...................................................................................................... 3–53
Baseband manual tuning guide......................................................................................................................... 3–54
Certificate restoring for BB5 products.......................................................................................................... 3–54
Energy management calibration.................................................................................................................. 3–60
List of Tables
Table 7 Display module troubleshooting cases................................................................................................ 3–20
Table 8 Pixel defects ........................................................................................................................................... 3–20
Table 9 Calibration value limits ......................................................................................................................... 3–60
List of Figures
Figure 8 Flashing pic 1. Take single trig measurement for the rise of the BSI signal.................................. 3–12
Figure 9 Flashing pic 2. Take single trig measurement for the rise of the BSI signal.................................. 3–13
Figure 10 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is
connected. ................................................................................................................................................. 3–39
Figure 11 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected. ................................................................................................................................................. 3–39
Figure 12 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected....
3–40
Figure 13 NFC tag detection ............................................................................................................................... 3–50
Figure 14 NFC selftest in Phoenix ...................................................................................................................... 3–50
Figure 15 NFC board connector soldering......................................................................................................... 3–52
Figure 16 NFC troubleshooting testpoints........................................................................................................ 3–54
RM-396
BB Troubleshooting and Manual Tuning Guide
Page 3 –4 COMPANY CONFIDENTIAL Issue 1
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