User Guide

Figure 37 Main troubleshooting tree...................................................................................................................6–6
Figure 38 SysCLK from J2800 and J2801.............................................................................................................6–12
Figure 39 SleepCLK from J2217...........................................................................................................................6–12
Figure 40 Flashing pic 1. Take single trig measurement for the rise of the BSI signal.................................6–17
Figure 41 Flashing pic 2. Take single trig measurement for the rise of the BSI signal.................................6–17
Figure 42 CMT SDRAM CLK from pin J2806..........................................................................................................6–18
Figure 43 NOR CLK from J2813............................................................................................................................6–20
Figure 44 COMBO NAND in boot pic 1. ...............................................................................................................6–22
Figure 45 USB 1: D-TXD (system connector pin6) and D+RXD (system connector pin7) voltage levels when
USB connected............................................................................................................................................6–25
Figure 46 USB 2: Take single triggered measurement on the rising edge of the Helen usb0_txen (J4813)
line...............................................................................................................................................................6–26
Figure 47 SIM interface signals...........................................................................................................................6–27
Figure 48 MMC card initialization.......................................................................................................................6–30
Figure 49 Data transfer........................................................................................................................................6–31
Figure 50 Ambient Light Sensor Calibration window.......................................................................................6–45
Figure 51 Antenna element.................................................................................................................................6–49
Figure 52 BT component assembly and placing...............................................................................................6–50
Figure 53 BER test result......................................................................................................................................6–51
Figure 54 Bluetooth self tests in Phoenix..........................................................................................................6–52
Figure 55 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is
connected...................................................................................................................................................6–58
Figure 56 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected...................................................................................................................................................6–58
Figure 57 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected....
6–59
RM-49
Nokia Customer Care BB Troubleshooting and Manual Tuning Guide
Page 6 –4 COMPANY CONFIDENTIAL Issue 1
Copyright © 2006 Nokia. All rights reserved.