Nokia RM-506 - Page 58

Audio troubleshooting........................................................................................................................................ 3–65
Audio troubleshooting test instructions...................................................................................................... 3–65
Internal earpiece troubleshooting ............................................................................................................... 3–68
Internal microphone troubleshooting ........................................................................................................ 3–69
Internal handsfree speaker troubleshooting ............................................................................................. 3–70
External microphone troubleshooting ........................................................................................................ 3–71
External headset earpiece troubleshooting ................................................................................................ 3–72
Acoustics troubleshooting............................................................................................................................. 3–73
Introduction to acoustics troubleshooting ............................................................................................ 3–73
Earpiece troubleshooting......................................................................................................................... 3–74
IHF troubleshooting.................................................................................................................................. 3–75
Microphone troubleshooting ................................................................................................................... 3–76
Baseband manual tuning guide......................................................................................................................... 3–77
Certificate restoring ....................................................................................................................................... 3–77
Energy management calibration.................................................................................................................. 3–78
List of Tables
Table 7 Display module troubleshooting cases................................................................................................ 3–35
Table 8 Pixel defects ........................................................................................................................................... 3–35
Table 9 Calibration value limits ......................................................................................................................... 3–78
List of Figures
Figure 18 Proximity sensor troubleshooting - part 2...................................................................................... 3–28
Figure 19 Touch controller basic checks ........................................................................................................... 3–32
Figure 20 Touch screen basic checks................................................................................................................. 3–33
Figure 21 Keymatrix............................................................................................................................................ 3–34
Figure 22 ALS placement .................................................................................................................................... 3–41
Figure 23 GPS antenna........................................................................................................................................ 3–41
Figure 24 GPS poco pin ....................................................................................................................................... 3–42
Figure 25 GPS layout and basic test points....................................................................................................... 3–43
Figure 26 GPS test pads ...................................................................................................................................... 3–44
Figure 27 GPS Control dialog box....................................................................................................................... 3–45
Figure 28 Simple Tests – Oscillator Test & Receiver Self Test ......................................................................... 3–45
Figure 29 Simple Tests – Oscillator Test............................................................................................................ 3–46
Figure 30 Simple Tests – Receiver Self Test ...................................................................................................... 3–47
Figure 31 CW Test window................................................................................................................................. 3–48
Figure 32 GPS Quick Test window for GPS troubleshooting ........................................................................... 3–49
Figure 33 WLAN circuitry .................................................................................................................................... 3–52
Figure 34 WLAN auto tune settings................................................................................................................... 3–57
Figure 35 WLAN autotuning results .................................................................................................................. 3–58
Figure 36 Key component placement for BTHFMRDS2.3M............................................................................... 3–60
Figure 37 BT/WLAN antenna .............................................................................................................................. 3–60
Figure 38 Single-ended output waveform of the AV Mic to HP Ear measurement when earpiece is
connected. ................................................................................................................................................. 3–66
Figure 39 Single-ended output waveform of the Ext_microphone in Int handsfree out loop
measurement when speaker is connected (measured at speaker pads). No filter is used. ............. 3–67
Figure 40 Single-ended output waveform of the AV Mic to AV Ear loop........................................................ 3–67
Figure 41 Single-ended output waveform of the HP Mic to AV Ear loop. ...................................................... 3–67
RM-505; RM-506
BB Troubleshooting and Manual Tuning Guide
Page 3 –4 COMPANY CONFIDENTIAL Issue 1
Copyright © 2009 Nokia. All rights reserved.