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11-13. CMOS Cleaning
*This method of confirmation is assumption for CMOS cleaning in service.
[Required equipment] PC, DC/AC adaptor, USB cable, 50mm lens, Light box, Cleaning paper for CCD
(Clean wipe-P), solvent for cleaning, Tweezers (recommend to use flat tip), SD card for test, Image viewing
software (e.g. Photo shop, ACDsee, etc.)
[Confirmation]
①Attach the FA50mm lens to the camera and set the lens aperture to A position.
②Set the camera as follows.
Capture mode: AV (Aperture-priority) mode and Set AV 22 (FNo.22), ISO speed: 100, Focus mode SW: MF,
Exposure compensation: +1/2EV, Recorded pixels: Default setting, Quality Level: Default setting
③Turn the distance ring of the lens to infinity (∞).
④Take the pictures of the light box from on 30mm.
⑤Display the images on the computer with image viewing software.
⑥ Set the image to life size (1:1) and confirm dust. (Better to make clear the position of dust with
such as coordinate)
If you see dust clearly on image, there is possibility that the dust enters into the inside of
CMOS. (Disassembly and cleaning or replace CMOS)
[Cleaning method of dust]
[CAUTION] 1, Do not wipe with strong force otherwise it will be affect performance.
2, For safety, use AC adapter or full capacity of battery.
3, Do not use a brush-less blower and a spray type blower to clean the CMOS because
there is a possibility that dust enters into the inside of CMOS.
*You can try Dust Removal function before cleaning.
*Only cleaning dust – Use cleaning stick (0-ICK1) for cleaning.
① Cut the Clean wipe-P about 1/4 (50x105mm) and hold the Clean wipe-P 7-8mm width.
② Set [Sensor Cleaning] on the Set-up menu.
③ Dip Clean wipe-P: 95901 A15 in the Solvent.
④Wipe the surface of CCD from upper left to bottom and repeat 3-4 times until lower right.
You can confirm dust or trace of wipe by cleaning at under
the bright light source.
⑤Turn off the power and return to step (1) of the confirmation
then confirm dust.
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