Nokia 1600 - Cell Phone 4 MB, Руководство по обслуживанию, Страница: 109 / 192

Table of Contents
General baseband troubleshooting .......................................................................................................................................... 6–5
Phone is dead ............................................................................................................................................................................. 6–5
Flash programming do not work ......................................................................................................................................... 6–6
Easy flash programming does not work ............................................................................................................................ 6–8
Power does not stay on or the phone is jammed ........................................................................................................... 6–9
Display shows "Contact Service" ........................................................................................................................................ 6–10
The phone does not register to the networks, or the phone can not make a call ............................................ 6–11
SIM related faults .......................................................................................................................................................................... 6–12
Insert SIM card fault ............................................................................................................................................................... 6–12
SIM card rejected ..................................................................................................................................................................... 6–13
User interface ................................................................................................................................................................................. 6–14
Blank display ............................................................................................................................................................................ 6–14
Display is corrupt .................................................................................................................................................................... 6–14
Dead keys .................................................................................................................................................................................. 6–15
No backlight for display or keys ......................................................................................................................................... 6–15
Audio troubleshooting ................................................................................................................................................................ 6–17
Audio troubleshooting using phoenix ............................................................................................................................. 6–17
Check microphone using "Hp microphone in Ext speaker out" loop ..................................................................... 6–18
Check earpiece using "Ext microphone in Hp speaker out" loop ............................................................................. 6–19
Check IHF & ringing tone function using "Buzzer" ....................................................................................................... 6–19
Check vibra function using "Vibra control" ..................................................................................................................... 6–20
Earpiece fault ........................................................................................................................................................................... 6–21
IHF/ringing tone fault ............................................................................................................................................................ 6–22
Headset earpiece fault .......................................................................................................................................................... 6–23
Microphone fault ..................................................................................................................................................................... 6–24
Headset microphone fault ................................................................................................................................................... 6–25
List of Figures
Figure 80 Phone is dead troubleshooting ............................................................................................................................... 6–6
Figure 81 Flash programming fault .......................................................................................................................................... 6–7
Figure 82 Easy flash programming fault .................................................................................................................................. 6–9
Figure 83 Power does not stay on or the phone is jammed ........................................................................................... 6–10
Figure 84 Troubleshooting when the "Contact Service" message is seen ................................................................. 6–11
Figure 85 No registering or call ................................................................................................................................................ 6–12
Figure 86 Insert SIM card fault .................................................................................................................................................. 6–13
Figure 87 Signal diagram ........................................................................................................................................................... 6–13
Figure 88 Signal diagram ........................................................................................................................................................... 6–14
Figure 89 Blank display ............................................................................................................................................................... 6–14
Figure 90 Display is corrupt ....................................................................................................................................................... 6–15
Figure 91 Dead keys ..................................................................................................................................................................... 6–15
Figure 92 No backlight for display or keys ........................................................................................................................... 6–16
Figure 93 Phoenix audio test window ................................................................................................................................... 6–17
Figure 94 PWB audio test points ............................................................................................................................................. 6–18
Figure 95 Test arrangement for microphone ...................................................................................................................... 6–19
Figure 96 Test arrangement for of earpiece ........................................................................................................................ 6–19
Figure 97 Checking IHF and ring tone by using "Buzzer" ................................................................................................. 6–20
Figure 98 Checking vibra function by using vibra control ............................................................................................... 6–20
Figure 99 Earpiece fault flow chart ......................................................................................................................................... 6–21
Figure 100 IHF/ringing tone fault flow chart ....................................................................................................................... 6–22
RH-64
Baseband troubleshooting
Nokia Customer Care
9243363 (Issue 1) Company Confidential Page 6–3
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