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Bent Pin in Compact Flash Slot - 5D MIII
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Apr 29, 2019 10:03:54   #
markngolf Loc: Bridgewater, NJ
 
ggenova64 wrote:
"It was the tech who discovered the bent pin."

What part of "bent" did I miss!


Here is my original post:
I had both my Canon DSLR's (7D MII & 5D MIII) cleaned & checked by Canon at a "Takeover" at Unique Photo in NJ. Cost was $10.00 per item, but I received two $10 tokens for a future purchase at Unique. Upon completion there was a determination that the 5D MIII had a bent pin in the CF slot. The Canon tech suggested I take it to the Canon repair in Lyndhurst, NJ.
Upon returning home, I inserted one of my CF cards, took a few shots and viewed the image. No apparent issue, so the CF card does record images. Of course I also have the SD slot. Generally I use the CF card as a backup. I can take a ride to Lyndhurst and let them repair it, but functionally, as far as I can tell, it's fine.

So, what is the advice from experienced Uhhers?
Thanks,
Mark

Reply
Apr 29, 2019 10:06:39   #
markngolf Loc: Bridgewater, NJ
 
the f/stops here wrote:
I’d get the bent pin fixed but more important is how did it happen? I was leading a photo group to Costa Rica and one of the participants had some CF pins get pushed over. He had purchased cheap CF cards and that was the problem. With close examination we could see poor opening continuity due to lack of quality control. Keep your camera happy and purchase only good memory cards.


I do not know how. I use only top quality Extreme Pro CF cards.
Thanks,
Mark

Reply
Apr 29, 2019 10:10:52   #
markngolf Loc: Bridgewater, NJ
 
RichardSM wrote:
Mark if have a old Cross pen that’s empty you can straighten the bent pen easily. The Cross pen are made from steel.


Thanks, Richard. I've yet to see the bent pin. I have straightened pins before. Not in a camera, but in a reader.
Mark

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Apr 29, 2019 10:14:55   #
Yodagirl Loc: All Over-Fulltime RV (Originally from NH)
 
I too had that problem in a D810, but was able to visually see the bent pin and coax it back into place enough that sliding the card back in finished the straightening job. It's worked fine for 2 years now.

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Apr 29, 2019 10:21:28   #
TriX Loc: Raleigh, NC
 
Mark, here’s the pinout. Whether it’s critical or not depends on what the pin is. If you’re lucky (as I was on my old 7D) it’s a ground pin (which is duplicated) or a guide pin, so unless it’s bent in such a way that it shorts another pin, it just doesn’t matter - I shot my 7D for years with PIN number 1 (a ground pin) bent flat. You can try to straighten it, but it must be exactly aligned in both horizontal and vertical planes or it will just bend again. I’m guessing if you can insert the card, then it’s bent completely flat. If it’s not close to touching another pin and the camera works, I’d just leave it alone, but if not, you can pick it up with a pair of forceps, fine needle nose pliers or tweezers and then straighten it. I’ve found that once you get it vertical, a small ID piece of brass tubing (available at HW stores and hobby shops) slipped over the end works well to get it exactly right. BUT, if you don’t get it perfectly aligned or bend it too many times, it will either bend again or break off, potentially shorting other pins.


(Download)

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Apr 29, 2019 10:41:55   #
jeep_daddy Loc: Prescott AZ
 
markngolf wrote:
I had both my Canon DSLR's (7D MII & 5D MIII) cleaned & checked by Canon at a "Takeover" at Unique Photo in NJ. Cost was $10.00 per item, but I received two $10 tokens for a future purchase at Unique. Upon completion there was a determination that the 5D MIII had a bent pin in the CF slot. The Canon tech suggested I take it to the Canon repair in Lyndhurst, NJ.
Upon returning home, I inserted one of my CF cards, took a few shots and viewed the image. No apparent issue, so the CF card does record images. Of course I also have the SD slot. Generally I use the CF card as a backup. I can take a ride to Lyndhurst and let them repair it, but functionally, as far as I can tell, it's fine.

So, what is the advice from experienced Uhhers?
Thanks,
Mark
I had both my Canon DSLR's (7D MII & 5D MIII) ... (show quote)


Do what you wish with the camera, but from now on be more careful inserting your CF card. You don't simply start the card and then push it in. This is not how you insert a CF card. You start the card, slowly push it in until you feel that is has reached the resistance of the pins, then you press it slowly with one of your fingers or thumb from the center of the card until it is seated. NEVER push it in all in one motion!

I would get it fixed if I were you. Then I'd sell it and buy a 5D IV.

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Apr 29, 2019 10:58:04   #
markngolf Loc: Bridgewater, NJ
 
TriX wrote:
Mark, here’s the pinout. Whether it’s critical or not depends on what the pin is. If you’re lucky (as I was on my old 7D) it’s a ground pin (which is duplicated) or a guide pin, so unless it’s bent in such a way that it shorts another pin, it just doesn’t matter - I shot my 7D for years with PIN number 1 (a ground pin) bent flat. You can try to straighten it, but it must be exactly aligned in both horizontal and vertical planes or it will just bend again. I’m guessing if you can insert the card, then it’s bent completely flat. If it’s not close to touching another pin and the camera works, I’d just leave it alone, but if not, you can pick it up with a pair of forceps, fine needle nose pliers or tweezers and then straighten it. I’ve found that once you get it vertical, a small ID piece of brass tubing (available at HW stores and hobby shops) slipped over the end works well to get it exactly right. BUT, if you don’t get it perfectly aligned or bend it too many times, it will either bend again or break off, potentially shorting other pins.
Mark, here’s the pinout. Whether it’s critical or ... (show quote)


Thanks, Chris. I will try to see the pin in the sunlight today. I'll post result.
Mark

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Apr 29, 2019 10:59:20   #
Satman Loc: Indy
 
Replace the plug in connecter, more screws in a Cannon than a Nikon, my 7D pin bent, in Italy straightened it, to get it working, till I got home,

It will take about 45 minutes,

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Apr 29, 2019 11:03:03   #
markngolf Loc: Bridgewater, NJ
 
jeep_daddy wrote:
Do what you wish with the camera, but from now on be more careful inserting your CF card. You don't simply start the card and then push it in. This is not how you insert a CF card. You start the card, slowly push it in until you feel that is has reached the resistance of the pins, then you press it slowly with one of your fingers or thumb from the center of the card until it is seated. NEVER push it in all in one motion!

I would get it fixed if I were you. Then I'd sell it and buy a 5D IV.
Do what you wish with the camera, but from now on ... (show quote)


Thanks for the response. I've always been very careful with insertion of the CF card and use and agree with your method. I do not remember any resistance that may have caused the bent pin.
I'm quite happy with the III. If I cannot repair it, I'll take it to Canon that is about 45 miles from me. I've had Canon DSLR's with CF slots for 15 years. Never had a problem.
Mark

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Apr 29, 2019 12:26:13   #
Cookie223 Loc: New Jersey
 
So, what is the advice from experienced Uhhers?
Thanks,
Mark[/quote]

Mark, I also had a bent pin on my CF card slot on my 7D MK II. It cost me almost $200 to fix. They also lost the camera (FedEx) and they gave me a new camera.
I suggest you contact the Lyndhurst store before you go, when I was looking to get my camera repaired, it wasn’t open, they never answered the phone, and it looked like it was out of business. The only Canon Repair Center I’m aware of is in Jamesburg.
Good luck
Cookie

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Apr 29, 2019 12:58:11   #
nadelewitz Loc: Ithaca NY
 
MT Shooter wrote:
Of the 52 pins used for CF cards, 6 are "guide" pins and have no communication purpose. These pins are also slightly longer and as such are more prone to bending. Loss of one or more of these guide pins will not affect card communication at all, but would necessitate even more care will inserting a card to assure you do not bend one or more of the designated communication pins. That would definitely necessitate a $225 card port replacement job.


If a pin touches other pins or breaks off in the camera it can also cause a damaging short circuit..

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Apr 29, 2019 13:23:53   #
BBurns Loc: South Bay, California
 
Longshadow wrote:
I wish I knew the pin-out for the CF cards.
...

CF Pin Outs

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Apr 29, 2019 15:13:53   #
markngolf Loc: Bridgewater, NJ
 
Cookie223 wrote:
So, what is the advice from experienced Uhhers?
Thanks,
Mark


Mark, I also had a bent pin on my CF card slot on my 7D MK II. It cost me almost $200 to fix. They also lost the camera (FedEx) and they gave me a new camera.
I suggest you contact the Lyndhurst store before you go, when I was looking to get my camera repaired, it wasn’t open, they never answered the phone, and it looked like it was out of business. The only Canon Repair Center I’m aware of is in Jamesburg.
Good luck
Cookie[/quote]

Jamesburg closed. Lyndhurst is the only repair center open now.
Thanks,
Mark

Reply
Apr 29, 2019 16:57:00   #
TriX Loc: Raleigh, NC
 
Have you identified which pin number is bent? May not matter..

Reply
Apr 29, 2019 17:21:30   #
legion3 Loc: Deer Park Long Island
 
it costs about $250.00 to repair CF slot at canon

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