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My canon was dunked in a pond-after taking out the battery and drying it out for a week-the camera seems to function except the lcd only displays pics previously stored in memory and the camera acts and sounds as if it is taking a picture-but it is stored as black screen on review. (and of course no display while taking the pic) What might be damaged?
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allison, this could be a stuck shutter which is a common failure mode for digital cameras. The symptoms of a stuck or "sticky" shutter are very similar to CCD image sensor failure. The camera may take black pictures for shutter stuck closed. "To confirm a stuck shutter, put the camera in any mode other than "Auto", and turn the flash OFF. Next look down the lens and take a picture. You should see a tiny flicker in the center of the lens as the shutter opens and closes. If no movement is seen, then you likely have a stuck shutter." There is a fix for that on here. Otherwise I would think that it is your CCD image sensor that was damaged. In that case you will have to disassemble your camera and clean it of any debris and corrosion and replace the CCD image sensor. So, give it a try and see what happens. Good luck.
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Chances are you did not rid the circuit boards of contaminates, residue and/or get them dry enough. Disassemble your camera. The gist of the procedures are here. Clean your printed circuit boards with rubbing alcohol and and a brush. Then submerge and agitate (move them around) them in alcohol to ensure that the ICs (Integrated Circuits)with BGAs (Ball Grid Arrays) have been flushed of contaminates. Wipe them with paper towels, changing them often, to ensure you are not smearing residues or contaminates to other places. Use a hair dryer ( on low to no heat) or a fan to expedite the drying process. With the use of the fore mentioned continue to let them sit over night to dry. Let them sit at least 24 hours with out the aide of air flow. Reassemble and give it a try. Good luck and have a wonderful day!
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