Table of Contents
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RM-36
Camera Module Troubleshooting
Introduction to camera module troubleshooting...............................................................................................................8-5
The effect of image taking conditions on image quality..................................................................................................8-6
Camera construction...................................................................................................................................................................8-10
Image quality analysis ..............................................................................................................................................................8-12
Testing for dust in camera module..................................................................................................................................8-12
Testing camera image sharpness.....................................................................................................................................8-13
Dirty camera lens protection window............................................................................................................................8-14
Image bit errors.....................................................................................................................................................................8-15
Camera troubleshooting flowcharts......................................................................................................................................8-15
Back camera troubleshooting...........................................................................................................................................8-15
Camera hardware failure message troubleshooting...........................................................................................8-15
Camera baseband HW troubleshooting....................................................................................................................8-17
Camera viewfinder troubleshooting.........................................................................................................................8-18
Bad camera image quality troubleshooting...........................................................................................................8-19
Front camera troubleshooting..........................................................................................................................................8-20
Front camera hardware failure message troubleshooting................................................................................8-20
Front camera HW baseband troubleshooting........................................................................................................8-21
Front camera viewfinder troubleshooting..............................................................................................................8-23
Front camera bad image quality troubleshooting................................................................................................8-24
Flash LED troubleshooting........................................................................................................................................................8-25
Introduction to flash LED troubleshooting....................................................................................................................8-25
Flash LED and image taking conditions..........................................................................................................................8-25
Flash LED construction.........................................................................................................................................................8-29
Analysing image quality......................................................................................................................................................8-30
Possible faults in image quality..................................................................................................................................8-30
Testing flash module functionality............................................................................................................................8-30
Testing image colours with flash...............................................................................................................................8-31
Testing flash power........................................................................................................................................................8-31
Flash LED troubleshooting flowcharts............................................................................................................................8-31
Bad image quality when using flash LED.................................................................................................................8-31
Flash LED indicator mode troubleshooting.............................................................................................................8-32
Flash LED HW baseband troubleshooting................................................................................................................8-32
List of Tables
Table 15 Camera specifications................................................................................................................................................8-10
List of Figures
Figure 77 Blurred image. Target too close..............................................................................................................................8-6
Figure 78 Blurring caused by shaking hands.........................................................................................................................8-7
Figure 79 Noisy image taken in +70 degrees Celsius..........................................................................................................8-8
Figure 80 Image taken against light.........................................................................................................................................8-8
Figure 81 Flicker in an image; object illuminated by strong fluorescent light...........................................................8-9
Figure 82 A lens reflection effect caused by sunshine........................................................................................................8-9
Figure 83 Good image taken indoors.....................................................................................................................................8-10
Figure 84 Good image taken outdoors..................................................................................................................................8-10
Figure 85 Camera module cross section and assembly principle..................................................................................8-11
Figure 86 Camera module bottom view including serial numbering..........................................................................8-12
Figure 87 Effects of dust on optical path..............................................................................................................................8-13
Issue 1
Table of Contents
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Nokia Customer Care
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Chapters
Table of Contents
Troubleshooting
