Nikon D50 Repair Manual page 93

9-2. Gr/Gb compensation inspection (No filter)
・Click "SENSITIVITY ADJUSTMENT" of the main menu on screen.
・Attach the tool lens (Aperture F5.6) to the camera (without filter).
・Get the camera closest to the center of the illuminated surface of the color viewer.
・When the inspection is completed, the data is indicated twice and "Gr/Gb COMPENSATION INSP IS
GOOD." is displayed.
9-3. Pixel defect (black spots) compensation
・Set the color viewer luminance to LV13 equiv.
・Provide the power for the camera via AC adapter.
・Reset "Custom setting".
・Set "PTP" mode by Setup menu.
・Set the focus mode to M, exposure mode to M, and the exposure compensation to "0" of the camera.
・Connect the camera and PC via USB cable.
・Click "CCD BLACK POINT DEFECT COMPENSATION" of the menu on screen.
・Attach the tool lens (Aperture F5.6) to the camera (without filter).
・Get the camera closest to the center of the illuminated surface of the color viewer.
・When the adjustment starts, pixel defects are detected, displaying the number of pixels and addresses.
・After confirming the above, click "X" button.
・When it is completed, "OK" is displayed.
＊ Note: In some cases, NG occurs due to dusts on the CCD.
Be sure to clean the CCD surface before adjustments.
9-4. Pixel defect (white spots) compensation
・Check the environmental temperature (approx. 20-25°C.).
・Provide the power for the camera via AC adapter.
・Reset "Custom setting".
・Set "PTP" mode by Setup menu.
・Set the focus mode to M, exposure mode to M, and the exposure compensation to "0" of the camera.
・Connect the camera and PC via USB cable.
・Click "CCD WHITE POINT DEFECT COMPENSATION" of the menu on screen.
・Cap the camera with the body cap or lens cap to shield light from the mount.
・When the adjustment starts, pixel defects are detected, displaying the number of pixels and addresses.
・After confirming the above, click "X" button.
・When it is completed, "OK" is displayed.
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VBA12001-R.3668.A