Nokia RM-512 - Table 3 Audio;List of Figures; List of Figures; Table 3 Audio

Table of Contents
General baseband troubleshooting......................................................................................................................3–5
Key components................................................................................................................................................3–5
Power supply test points..................................................................................................................................3–5
Phone cannot be powered on (I).....................................................................................................................3–6
Phone cannot be powered on (II)....................................................................................................................3–7
Phone cannot be flashed..................................................................................................................................3–8
Easy flash programming does not work...................................................................................................... 3–10
Display shows "Contact Service"................................................................................................................... 3–10
The phone does not register to the networks, or the phone cannot make a call................................... 3–11
SIM related faults................................................................................................................................................. 3–12
Insert SIM card fault....................................................................................................................................... 3–12
SIM card rejected............................................................................................................................................ 3–13
User interface....................................................................................................................................................... 3–14
Blank display................................................................................................................................................... 3–14
Corrupted display ........................................................................................................................................... 3–14
Dead keys ........................................................................................................................................................ 3–15
No backlight for display or/and keys ........................................................................................................... 3–15
Audio troubleshooting........................................................................................................................................ 3–17
Audio troubleshooting using phoenix......................................................................................................... 3–17
Check microphone using "Hp microphone in Ext speaker out" loop ........................................................ 3–18
Check earpiece using "Ext microphone in Hp speaker out" loop .............................................................. 3–19
Check IHF & ringing tone function using "Buzzer"...................................................................................... 3–19
Check vibra function using "Vibra control".................................................................................................. 3–20
Earpiece fault.................................................................................................................................................. 3–21
IHF/ringing tone fault.................................................................................................................................... 3–22
Microphone fault ............................................................................................................................................ 3–23
Headset earpiece fault................................................................................................................................... 3–24
Headset microphone fault............................................................................................................................. 3–25
List of Tables
Table 4 Connector for External Audio Accessories ........................................................................................... 3–18
List of Figures
Figure 13 Troubleshooting when phone cannot be powered on .....................................................................3–6
Figure 14 Troubleshooting when phone does not stay on or phone is jammed ............................................3–7
Figure 15 Flash programming fault......................................................................................................................3–9
Figure 16 Easy flash programming fault........................................................................................................... 3–10
Figure 17 Troubleshooting when the "Contact Service" message is seen .................................................... 3–11
Figure 18 No registering or call ......................................................................................................................... 3–12
Figure 19 Insert SIM card fault........................................................................................................................... 3–13
Figure 20 Signal diagram ................................................................................................................................... 3–13
Figure 21 Signal diagram ................................................................................................................................... 3–14
Figure 22 Phoenix audio test window.............................................................................................................. 3–17
Figure 23 4-pole jack plug for audio accessory................................................................................................ 3–18
Figure 24 Test arrangement for microphone................................................................................................... 3–19
Figure 25 Test arrangement for of earpiece..................................................................................................... 3–19
Figure 26 Checking IHF and ring tone by using "Buzzer"................................................................................ 3–20
Figure 27 Checking vibra function by using vibra control .............................................................................. 3–20
RM-512; RM-513; RM-514; RM-515; RM-543
Baseband Troubleshooting Instructions
Issue 2 COMPANY CONFIDENTIAL Page 3 –3
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