Nokia 3710 fold, Service Manual

Page: 52 / 194

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
Copyright © 2009 Nokia. All rights reserved.