Camera Information And Gonogo Test - Nokia 7650 Service Manual

Nokia Mobile Phones Customer Care E&A
Technical Services, Repair Concepts

3. CAMERA INFORMATION AND GONOGO TEST

Digital cameras behave in principle like their analog predecessors. Meaning that e.g. exposure times will increase
in low light situation and the risk of blurring pictures will also rise. Too high display contrast can lead to let the
pictures appear bad on the display.
Taking a picture of a white sheet of paper can do finding dust in camera system (see pic no.7). After this you
should use full resolution view when locating the dust. Clean back window from both sides in Acoustic Chamber
(compare pic 5 & 6). A clean workbench is needed, especially when assembling the camera.
GoNoGo Test:
From Home Menu, open the Grip Cover
Select Camera, the Camera application opens and you can see the view to take a picture.
To take a picture, press the
Select Delete
Select Yes
Select Exit
Close the Grip Cover
Select No, now the device is in the Home Menu again.
1. The VGA Camera works from 30cm to
infinity to the object. This object is much
to close to the Camera, which caused an
unsharp picture.
3. Geometrical distortion especially in the
edges can be seen in objects with straight
lines. This is a normal behavior.
Service Manual 7650 Level 1&2
"Joystick". If you have a frozen image (still picture), the Camera is ok.
2. The sharpest area is generally around
the middle of the picture. It is quite
normal, that the edges appear a bit
unsharp in scenes with small details.
4. Moving objects or moving the camera
can cause blurring to the images.
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