Nokia 6111 RM-82 Service Manual page 131

RM-82
Troubleshooting for Repair service
Introduction to troubleshooting for service........................................................................................................6-5
Test points for service............................................................................................................................................6-5
Power and charging...............................................................................................................................................6-5
Troubleshooting: Phone is dead......................................................................................................................6-5
Troubleshooting: Phone does not stay on or is jammed..............................................................................6-6
Troubleshooting: Charging failure..................................................................................................................6-6
Troubleshooting: Low battery operation time..............................................................................................6-6
Interfaces................................................................................................................................................................6-6
Troubleshooting: FM radio...............................................................................................................................6-6
Camera troubleshooting...................................................................................................................................6-6
Troubleshooting: SIM card...............................................................................................................................6-7
Troubleshooting: Flash programming............................................................................................................6-7
User interface troubleshooting.............................................................................................................................6-8
Display troubleshooting...................................................................................................................................6-8
Power key failure..............................................................................................................................................6-9
UI module keys troubleshooting.....................................................................................................................6-9
Audio........................................................................................................................................................................6-9
Troubleshooting: Audio general......................................................................................................................6-9
Troubleshooting: IHF........................................................................................................................................6-9
Troubleshooting: Microphone..........................................................................................................................6-9
Troubleshooting: Earpiece.............................................................................................................................6-10
Troubleshooting: TDMA noise........................................................................................................................6-10
Troubleshooting: Bluetooth audio................................................................................................................6-10
Troubleshooting: Vibra...................................................................................................................................6-10
Connections...........................................................................................................................................................6-11
Troubleshooting: Bluetooth...........................................................................................................................6-11
Troubleshooting: USB.....................................................................................................................................6-11
Troubleshooting: IrDA....................................................................................................................................6-11
RF troubleshooting and tuning...........................................................................................................................6-11
RF troubleshooting for service.......................................................................................................................6-11
Auto tuning......................................................................................................................................................6-12
List of Figures
Figure 84 Test points for repair services..............................................................................................................6-5
Figure 85 Troubleshooting: Display.....................................................................................................................6-8
Figure 86 Auto tuning concept with CMU200....................................................................................................6-12
Figure 87 Auto tuning concept with RX and TX tuning devices and splitter..................................................6-13
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