Nokia RM-333 Service Manual page 135

RM-333; RM-334; RM-335
Camera Module Troubleshooting
Introduction to camera module troubleshooting ..............................................................................................5-5
The effect of image taking conditions on image quality ...................................................................................5-6
Image quality analysis
Possible faults in image
Testing for dust in camera module
Testing camera image sharpness
Effects of dirty or defective camera lens protection
Faulty pixels in images
Flash photography problems
Main (back) camera troubleshooting
Main camera troubleshooting.......................................................................................................................
Main camera baseband
Main camera baseband troubleshooting - powerings
No recognizable viewfinder image
Bad image quality troubleshooting
Flash troubleshooting....................................................................................................................................
Secondary (front) camera troubleshooting flow
Accelerometer troubleshooting.........................................................................................................................
List of Figures
Figure 36 Only center part of image is in focus due to limited depth of focus ...............................................5-6
Figure 37 Blurring caused by shaking hands ......................................................................................................5-7
Figure 38 Near objects get skewed when taking images from a moving vehicle...........................................5-7
Figure 39 Noisy image taken in +70 degrees Celsius .........................................................................................5-8
Figure 40 Image taken against light ....................................................................................................................5-8
Figure 41 Flicker in an image; object illuminated by strong fluorescent light................................................5-9
Figure 42 A lens reflection effect caused by sunshine........................................................................................5-9
Figure 43 Good image taken
Figure 44 Good image taken outdoors
Figure 45 Effects of dust on optical path
Figure 46 Image taken with clear protection window
Figure 47 Image taken with greasy protection window
Figure 48 Image of point light sources taken with a clean protective
Figure 49 Image of point light sources taken with a dirty (finger print) protective window
Figure 50 Enlargement of a hot
Figure 51 Light from the flash has reflected on particles in front of the camera
Issue 2
Table of Contents
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quality....................................................................................................................
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flowcharts.............................................................................................
troubleshooting.....................................................................................................
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indoors................................................................................................................
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pixel................................................................................................................
COMPANY CONFIDENTIAL
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