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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 27 Jun 2010 (Sunday) 18:48
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7d problem, involving water... help?

 
Bill ­ Boehme
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Jun 28, 2010 00:00 as a reply to  @ post 10437839 |  #16

I would be very hesitant to use either 91% ir 99% isopropyl alcohol because it is a solvent for some lubricants and also may damage some materials like rubber and plastic. I know that it is often used to dissolve soldering flux from fiberglass printed wiring boards, but only when removed from the equipment -- not when they are installed in the presence of materials that have the potential for being damaged by alcohol.


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Kento
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Jun 28, 2010 00:02 as a reply to  @ Bill Boehme's post |  #17

Canon would use a protective conformal coating over their circuit boards, Alcohol would just eat that away and your board will be even more susceptible to corrosion than if you would have just left it alone... keep in mind this same conformal coat would protect the boards and parts from salt corrosion but if you feel it totally necessary then clean it out with distilled water.


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Jun 28, 2010 00:07 |  #18

OP, I drive by this place whenever I visit my customers in North Miami. I've never stopped inside, but if you Google them, they're supposed to be an authorized Canon repair center with quick turn-around on repairs.

Here's their website: http://www.sp-ts.com/ (external link)

Good luck to you!


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Bill ­ Boehme
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Jun 28, 2010 00:26 |  #19

Kento wrote in post #10438220 (external link)
Canon would use a protective conformal coating over their circuit boards, Alcohol would just eat that away and your board will be even more susceptible to corrosion than if you would have just left it alone... keep in mind this same conformal coat would protect the boards and parts from salt corrosion but if you feel it totally necessary then clean it out with distilled water.

Conformal coatings, as far as I have observed seem to only rarely be used in consumer equipment -- even the high grade stuff. Conformal coatings are not a cure all and have their own problems when it comes to microcircuits. Because of the high density of active circuits on chips and dense board packing, a lot of heat gets generated. Conformal coatings impede cooling and can also induce thermal stresses on components due to differences in coefficients of thermal expansion. The dielectric constant of conformal coatings can also be problematic at the very high frequencies used in microprocessor circuits (things like increasing the capacitance between wiring traces where the effect of even picofarads are significant or changing the velocity factor of strip lines causing pulse smearing).

FWIW, conformal coatings are normally impervious to alcohol.


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joeseph
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Jun 28, 2010 02:35 |  #20

sadly any problem repair involving water, especially salt water, is usually declined by the Canon tech folks.
There just isn't any way short of replacing everything, to be sure there won't be further trouble over time. If you can dry it out to a point where it works - great, but I wouldn't consider relying on a unit that had water-damage at some stage. If your camera isn't insured, you might be able to get a Canon loyalty program and get a good saving off buying another unit.


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Jun 28, 2010 02:56 |  #21

I really hope you get your camera fixed. All of the mentioned solutions are all but probable ways to maybe fix the submersion issue. The longevity of the camera is what's really in question. You may see it power up and work fine but damages to pieces affected may deteriorate much faster than others. Best to give it to Canon and let them do their business with it. Worst case: you gotta buy a new one but that would be a bit more assuring to me than to have your camera fail when you need it to work the most. Again, best of luck to you.


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ingraman
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Jun 28, 2010 14:19 |  #22

Canon won't even look at water damaged items, at least in my experience. My 40D + 100-400mm went halfway under saltwater briefly. Sent it over to Canon, they did nothing but offer to trade up my 40D for a 50D. 100-400mm was sent straight back without being looked at.

Your best bet is to send it to a local camera shop, and possibly they can open it up and get replacement parts. That salt water is like acid on electronics, you should get it looked at asap.




  
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hpulley
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Jun 28, 2010 14:23 |  #23

Do you have insurance on it? If not I'm afraid it is toast. Canon won't touch water damage. Independent shops will likely charge you as much as it is worth so you will likely have to get a new camera if your own fix doesn't work. Sorry about your luck.


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joeseph
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Jun 28, 2010 15:40 |  #24

hpulley wrote in post #10441666 (external link)
Do you have insurance on it? If not I'm afraid it is toast.

wouldn't it be toast either way?


some fairly old canon camera stuff, canon lenses, Manfrotto "thingy", and an M5, also an M6 that has had a 720nm filter bolted onto the sensor:
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hpulley
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Jun 28, 2010 15:51 |  #25

joeseph wrote in post #10442160 (external link)
wouldn't it be toast either way?

Yes, but the insurance replacement would not be...


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7d problem, involving water... help?
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