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Canon 814 Electronic Disassembly/Repair


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#1 Al Valentino

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Posted 02 March 2009 - 10:36 PM

Hi,

I have a Canon 814 Electronic (Auto Zoom) which used to work fine, until recently. I realized that the aperture needle stays stuck all the way to the right in the red beyond f-32. On closer inspection it also seems as if the aperture is quite small when rolling, so I am led to believe that the aperture is stuck at f-32 and when I pull out the manual aperture ring, it doesn't budge.

Is anyone familiar with this problem, and any possible fixes.
I would like to open it up to diagnose the problem, but it is so hard to open, does anyone have a disassembly diagram or repair/service manual? I've removed all the visible screws and also the ones hidden under the leather trimming and rubber footing, but still have no idea how to crack this shell. Please help.

I would greatly appreciate any assistance.
Thanks.
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#2 Bart Smith

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Posted 03 March 2009 - 06:20 AM

If it is anything like the 814 XL (and it is pretty similar in terms of construction), you also need to pop off a glued-on metal plate between the tripod mount and the door hinge.
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#3 Takahiro Nakano

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Posted 03 March 2009 - 06:19 PM

Hi,

See my Web.
www.nakanocam.com/8mm_page/canon814eeerepai.html

I'm sorry it is Japanese...
Please refer to the photo.
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#4 Jim Carlile

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Posted 04 March 2009 - 03:43 AM

If you shine a light down into the lens, you can see if the aperture is opening or not, in both auto and manual modes.
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#5 Marc Guerriero

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Posted 04 March 2009 - 10:18 PM

It sounds like it might be an electrical/electronics problem because with these cameras, there has to be power to use the manual control as well.
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#6 Miguel Loredo

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Posted 05 March 2009 - 11:14 AM

Is anyone familiar with this problem, and any possible fixes.


This is a very common problem in this camera. The problem is nothing but a rubber piece becoming old. Best you can do is to visit Nakano web:

www.nakanocam.com/8mm_page/canon814eeerepai.html

Edited by Miguel Loredo, 05 March 2009 - 11:15 AM.

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#7 Al Valentino

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Posted 07 March 2009 - 06:17 PM

Thanks for all the info guys.
I have opened it up as per the website link, and am working on resolving the problem.
Once I am done I'll post the results and pictures along the way.
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#8 Marc Guerriero

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Posted 07 March 2009 - 06:24 PM

This is a very common problem in this camera. The problem is nothing but a rubber piece becoming old. Best you can do is to visit Nakano web:

www.nakanocam.com/8mm_page/canon814eeerepai.html

Yes, but he says that it is stuck in auto as well. Might be electrical.
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#9 Scott Super

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Posted 24 March 2009 - 02:54 PM

Yes, but he says that it is stuck in auto as well. Might be electrical.


I work for Pro8mm and we specialize in the Canon 814 cameras. You can check out our website at www.pro8mm.com or call us up at 818-848-5522. More than happy to help you with your Canon 814. We also work on the Canon 1014s as well as most Beaulieu super 8 cameras.
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#10 Sergio Moura

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Posted 25 May 2015 - 05:16 PM

Hi there,

 

I started dissasembling my Canon 814, but It seems my apperture blades loose (they move if I shake the camera) and the manual control makes strange stuff. Also the apperture needle is also loose.

Can someone help me out on the best way to get to the apperture blades and try to correct things up? It would be really helpfull...

 

Best regards,

 

Sergio


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