Nokia RM-506 Service Manual page 58

Audio troubleshooting........................................................................................................................................
Audio troubleshooting test
Internal earpiece troubleshooting
Internal microphone troubleshooting
Internal handsfree speaker troubleshooting
External microphone troubleshooting
External headset earpiece troubleshooting
Acoustics troubleshooting.............................................................................................................................
Introduction to acoustics troubleshooting
Earpiece troubleshooting
IHF troubleshooting
Microphone troubleshooting
Baseband manual tuning
Certificate restoring
Energy management calibration
List of Tables
Table 7 Display module troubleshooting
Table 8 Pixel defects ...........................................................................................................................................
Table 9 Calibration value limits
List of Figures
Figure 18 Proximity sensor troubleshooting - part 2
Figure 19 Touch controller basic checks
Figure 20 Touch screen basic
Figure 21 Keymatrix ............................................................................................................................................
Figure 22 ALS placement
Figure 23 GPS antenna........................................................................................................................................
Figure 24 GPS poco pin
Figure 25 GPS layout and basic test
Figure 26 GPS test pads
Figure 27 GPS Control dialog
Figure 28 Simple Tests - Oscillator Test & Receiver Self Test
Figure 29 Simple Tests - Oscillator
Figure 30 Simple Tests - Receiver Self Test
Figure 31 CW Test window.................................................................................................................................
Figure 32 GPS Quick Test window for GPS troubleshooting
Figure 33 WLAN circuitry
Figure 34 WLAN auto tune
Figure 35 WLAN autotuning results
Figure 36 Key component placement for
Figure 37 BT/WLAN antenna
Figure 38 Single-ended output waveform of the AV Mic to HP Ear measurement when earpiece is
connected. .................................................................................................................................................
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.
Figure 40 Single-ended output waveform of the AV Mic to AV Ear
Figure 41 Single-ended output waveform of the HP Mic to AV Ear loop.
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BB Troubleshooting and Manual Tuning Guide
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