Table of Contents
Introduction to camera module troubleshooting
The effect of image taking conditions on image quality
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Possible faults in image quality
Testing for dust in camera module
Testing camera image sharpness
Effects of dirty or defective camera lens protection window
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Camera troubleshooting flowcharts
Camera hardware failure message troubleshooting
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Camera viewfinder troubleshooting
Bad camera image quality troubleshooting
Bad camera image quality troubleshooting
Camera LED flash troubleshooting
List of Figures
Figure 79 Only center part of image is in focus due to limited depth of focus
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Figure 80 Blurring caused by shaking hands
Figure 81 Near objects get skewed when taking images from a moving vehicle
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Figure 82 Noisy image taken in +70 degrees Celsius
Figure 83 Image taken against light
Figure 84 Flicker in an image; object illuminated by strong fluorescent light
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Figure 85 A lens reflection effect caused by sunshine
Figure 86 Good image taken indoors
Figure 87 Good image taken outdoors
Figure 88 Effects of dust on optical path
Figure 89 Image taken with clear protection window
Figure 90 Image taken with greasy protection window
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Figure 91 Image of point light sources taken with a clean protective window
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Figure 92 Image of point light sources taken with a dirty (finger print) protective window
Figure 93 Bit errors caused by JPEG compression
Figure 94 Enlargement of a hot pixel
Figure 95 Light from the flash has reflected on particles in front of the camera
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RM-42
Camera Module Troubleshooting
Nokia Customer Care
9241872 (Issue 1)
Company Confidential
Page 8–3
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