User Guide

List of Figures
Figure 1 Main troubleshooting tree..........................................................................................................................................1–5
Figure 2 SysCLK from C7528 & C7531........................................................................................................................................1–9
Figure 3 SleepCLK from R7558..................................................................................................................................................1–10
Figure 4 Flash programming fault troubleshooting 1/2..................................................................................................1–13
Figure 5 Flash programming fault troubleshooting 2/2..................................................................................................1–14
Figure 6 Flashing pic 1. Take single trig measurement for the rise of the BSI signal.............................................1–15
Figure 7 Flashing pic 2. Take single trig measurement for the rise of the BSI signal.............................................1–15
Figure 8 CMT SDRAM CLK from pin J2806...............................................................................................................................1–16
Figure 9 NOR CLK from J2813....................................................................................................................................................1–17
Figure 10 COMBO NAND in boot pic 1. ...................................................................................................................................1–19
Figure 11 USB 1: D-TXD (POP-PORT pin6) and D+RXD (POP-PORT pin7) voltage levels when USB connected..1–21
Figure 12 USB 2: Take single triggered measurement on the rising edge of the Helen usb0_txen (J4813) line.1–22
Figure 13 SIM interface signals.................................................................................................................................................1–23
Figure 14 MMC card initialization............................................................................................................................................1–25
Figure 15 Data transfer...............................................................................................................................................................1–26
Figure 16 Ambient Light Sensor Calibration window.......................................................................................................1–39
Figure 17 Phoenix settings for Bluetooth troubleshooting............................................................................................1–44
Figure 18 Bluetooth self tests in Phoenix.............................................................................................................................1–45
Figure 19 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is connected.1–52
Figure 20 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected........................................................................................................................................................................................1–53
Figure 21 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected...........1–53
RM-84/99
Nokia Customer Care BB Troubleshooting and Manual Tuning Guide
Page 1–4 Company Confidential Issue 1
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