Sharp VN-EZ1U Service Manual page 12

5-2-5. Camera (CCD white balance) adjusting method
Preparation and check items before adjustment
For illumination, apply the approximation of the color temperature 3200K and illuminance 3000 lux, and the
light
source of 2 or more
lamps are preferable for the even illumination.
Use the chart which is not stained or discolored.
Initial screen of TEST MODE
1 MENU
Screen of WB ADJ
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, During adjustment
Adjustment end
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(CMP-ADJ)
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Press the ) key for changeover.
(AUTO)
position is used for
investigation
but not used for
the service.
1) The initial screen of the test mode is displayed.
2) Press the V key to display WB ADJ (3200) screen.
3) Shoot the gray scale chart.
4) Press the shutter button, and wait until CMP-ADJ is displayed.
5) Press the ) key to display WB ADJ (6800) screen.
6) Set up the color temperature replacement filter (LB-165 3200K -+ 6800K conversion) in front of the lens.
7) Press the shutter button, and wait until CMP-ADJ is displayed.
8) Press the MENU key, and it will return to the initial screen of TEST MODE. Then turn off the power to complete the setting.
5-2-6. Lens back focus adjusting method
Preparation before adjustment
Remove the front cabinet of the main unit, and remove the cabinet of the lens section.
(The cabinet of the lens section can be disassembled or assembled only when the front
cabinet of the main unit is removed.)
Remove the macro adjusting ring. (Refer to the right figure.)
Remove two tilt holder fastening screws on the main unit side, and holding the tilt
section and CCD PWB section with left hand, pinch both ends of the macro adjusting
ring with right hand, and gradually pull it up in the arrow direction. (At this time, take
care to prevent missing the macro ring fastening hardware.)
During adjustment, keep the front cabinet of the tilt holder main unit and the rear
cabinet of the camera in the assembled state, and the main unit will be stabilized.
[Note]: Take care to prevent applying a forcible force to the tilt section.
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Tilt holder fastening screw position
5-5