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04-28-2011, 07:24 AM   #1
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K10D power switch fault - fix?

Hi All,

My K10D has a fault with the power switch. The problem appears to be
fairly well known (it's mentioned on a lot of DSLR forums). The camera
powers down/restarts if pressure is applied to the area around the power
switch and also after taking a preview shot.

This very intermittent and some days worse than others, but generally it
very annoying! As this is such a common problem, I wonder if anyone has
any ideas on a fix.

I found a photo online of a disassembled K10D power switch and there
appears to be 3 pins underneath which connect to a circuit as the switch
is rotated. I would assume that this circuit or the pins have become
loose. What are your thoughts?

Obviously I could just send it for repair but that can be expensive,
especially if there is a simple fix. I'm quite happy to disassemble the
camera (as I'm familiar with basic circuit board repairs) if someone
could point me in the direction of a possible solution.

Many thanks,

Matt

04-28-2011, 08:42 AM   #2
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Join Date: Jan 2010
Posts: 773
QuoteOriginally posted by mateus Quote
Hi All,

My K10D has a fault with the power switch. The problem appears to be
fairly well known (it's mentioned on a lot of DSLR forums). The camera
powers down/restarts if pressure is applied to the area around the power
switch and also after taking a preview shot.

This very intermittent and some days worse than others, but generally it
very annoying! As this is such a common problem, I wonder if anyone has
any ideas on a fix.

I found a photo online of a disassembled K10D power switch and there
appears to be 3 pins underneath which connect to a circuit as the switch
is rotated. I would assume that this circuit or the pins have become
loose. What are your thoughts?

Obviously I could just send it for repair but that can be expensive,
especially if there is a simple fix. I'm quite happy to disassemble the
camera (as I'm familiar with basic circuit board repairs) if someone
could point me in the direction of a possible solution.

Many thanks,

Matt
Matt - I have had the K10D apart when I dropped mine and ended up with a dead camera (the SD card holder broke away from the main circuit board).

The fix would have involved repairing surface mount connections or replacing the main circuit board - too expensive in any case. I suspect you are in the same boat.
It is cheaper to buy a new camera and that's what I did.

The ON/Off switch area will be extremely difficult to gain access to. It is probably one of the last pieces to become available after tearing the camera apart and this involves de-soldering many connections and intricate work in general.

Changing the main circuit board is not that difficult and if I had one I would do it myself but the access that you need is much more involved.

I recommend buying yourself another K10D or upgrading. If you make that decision I would offer you $50 for your old camera which would give me the motherboard (main board - in effect).
04-28-2011, 10:54 AM   #3
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Join Date: Mar 2009
Location: Chicago suburbs
Photos: Albums
Posts: 848
QuoteOriginally posted by mateus Quote
Hi All,

My K10D has a fault with the power switch. The problem appears to be
fairly well known (it's mentioned on a lot of DSLR forums). The camera
powers down/restarts if pressure is applied to the area around the power
switch and also after taking a preview shot.

This very intermittent and some days worse than others, but generally it
very annoying! As this is such a common problem, I wonder if anyone has
any ideas on a fix.

I found a photo online of a disassembled K10D power switch and there
appears to be 3 pins underneath which connect to a circuit as the switch
is rotated. I would assume that this circuit or the pins have become
loose. What are your thoughts?

Obviously I could just send it for repair but that can be expensive,
especially if there is a simple fix. I'm quite happy to disassemble the
camera (as I'm familiar with basic circuit board repairs) if someone
could point me in the direction of a possible solution.

Many thanks,

Matt
I don't have a K10, but if it is like a K200D then you might try to bend the contact fingers down a little and see it that helps.


See my album - K200D repair for photos.
I've tried to post a photo but it does not show up. I must be doing something wrong. Anyone know what I should try?
04-28-2011, 11:00 AM   #4
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Join Date: Jan 2010
Posts: 773
QuoteOriginally posted by gp1806 Quote
I don't have a K10, but if it is like a K200D then you might try to bend the contact fingers down a little and see it that helps.


See my album - K200D repair for photos.
I've tried to post a photo but it does not show up. I must be doing something wrong. Anyone know what I should try?
Nope!
Best I can tell from your pics you can gain access to the power switch by removing the back - not true with K10D. Like I said it is deeply embedded and a nightmare to access (at least for the first time, anyway).

04-28-2011, 01:26 PM   #5
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Join Date: Apr 2011
Posts: 10
Original Poster
QuoteQuote:
I recommend buying yourself another K10D or upgrading. If you make that decision I would offer you $50 for your old camera which would give me the motherboard (main board - in effect).
Selling the K10D isn't an option. It was a purchase for life, they cost a lot more over here in the UK and then in the US. The camera is like new (apart from the fault); used regularly but lovingly cared for.

The top of the camera looks like it might come off without too much trouble.
http://rocketri.de/wp-content/gallery/k10/s6002141.jpg

I'll see what I can do....

M.
04-28-2011, 02:37 PM   #6
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You need to download the K10 service manual from here, Downloads
ESD can be a problem so use appropriate workstation.

Last edited by Ex Finn.; 04-28-2011 at 02:46 PM.
05-03-2011, 02:47 PM   #7
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Join Date: Apr 2011
Posts: 10
Original Poster
QuoteOriginally posted by Ex Finn. Quote
You need to download the K10 service manual from here, Downloads
ESD can be a problem so use appropriate workstation.
Many Thanks for the link! According to the manual the top section of the camera does come off quite easily, giving access to the power switch/shutter release.

Cheers,
M
05-03-2011, 05:18 PM   #8
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Join Date: Nov 2007
Location: Southern Maryland.
Photos: Gallery | Albums
Posts: 6,296
Hope it works out.
Cheers, Mike.

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