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SportsShooter.com: Member Message Board

580EXII External Power Connector intentionally weak?
Jim Karczewski, Photographer, Assistant
Hammond | IN | USA | Posted: 1:49 AM on 02.15.14
->> I bought a couple of Godox PB960 Lithium power packs. Since purchasing them I've used them with 550EZ, 580EX, 580EXII and YoungNou 5xxIII (forget the exact model)

I've now had 3 separate 580EXII power connectors break, they are supported internally by a piece of plastic about 1/8" x 1/8" and don't look very sturdy. The smallest resistance to the cable being inserted and snap, there goes the connector, floating inside of the flash with no way to connect power.

Anyone else have these issues? I really don't feel like paying CPS $80 to fix 3 more flashes that all have the same issue. I just find it odd it's only the II and no other model.
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Colin Hackley, Photographer
Tallahassee | FL | USA | Posted: 2:48 PM on 02.15.14
->> I have seen 580 EXIIs suffering from the problem you describe.

I'm sure you are using all due care, but I am suspicious of the connecting cord you are using. The ones I saw online come straight out of the flash whereas the Canon versions are right angle connectors. So, the straight connector you are using is a bigger target and could act as a lever if hit in any direction. If the socket in the 580 EXII is not well supported you are in trouble (as you have learned three times).

I've used the Canon CP-E4 AA battery pack with rechargeable batteries and found it works pretty well and haven't suffered from that problem with the 580EXIIs I use.

I also used a Quantum turbo cord that was a right angle connection with out incident.

You can certainly ask Canon if it is a defect they will fix at no charge, but (and I hope I am wrong) I doubt they will be of much help when they learn about the cords you are using.

Let us know if they are fixing it at no charge.
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Jim Karczewski, Photographer, Assistant
Hammond | IN | USA | Posted: 3:31 PM on 02.15.14
->> Colin-

These are Right Angle cords as well, problem is they might need some plastic shaved off of them as they are TIGHT going in. I'll have to get the Micrometer out later and compare specs of these connectors vs my Canon and/other AA brand battery connectors to see if there is something that needs some shaving off on these cables.
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Mark Loundy, Photo Editor, Photographer
San Jose | CA | USA | Posted: 3:45 PM on 02.15.14
->> Jim,

Just for discussion, let's say the connectors were made out of solid steel. what would happen if you whacked one, (understanding that what they are plugged into is made of plastic?)

--Mark
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Jim Karczewski, Photographer, Assistant
Hammond | IN | USA | Posted: 5:13 PM on 02.15.14
->> Mark-

I'm not forcing them in, I mean I can be a brute, but just pushing them in. When I open my 580EXII later I'll take a picture of just how small of a piece of plastic holds that connector inside the flash. It's miniscule!

Jim
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Jim Karczewski, Photographer, Assistant
Hammond | IN | USA | Posted: 5:55 PM on 02.15.14
->> I took apart the 580EX and 580EXII (one "good" but can clearly see failing, the other failed)

The reason I'm not having issues with any other flash is they changed the design on the 580EXII.

Here is the 580EX, notice there is a solid plastic backing on the external port, which cannot be see due to the backing

http://i60.tinypic.com/2ry5b8g.jpg

Here is a 580EXII with the screw and tiny piece of plastic holding the socket in place:

http://i59.tinypic.com/ngy3gj.jpg

And here is a 580EXII that has failed:

http://i57.tinypic.com/2s67h9s.jpg

That tiny piece of plastic and the screw isn't going to deal with a hell of a lot of force. No way I'm sending this back to canon to pay $80 ea to fix when the fundamental problem is their design.
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Ed Ruping, Photographer
Orlando | Fl | usa | Posted: 10:35 AM on 02.16.14
->> Jim, I had the same thing happen using Paramount and Quantum cords. Pulled the foot off and used some JB weld epoxy to make the repair. In order to seat the socket securely, use a plastic dowel (like plastic coat hanger) cut to fit snugly and place between rear of socket and opposite wall. Remove after drying. Have not had a problem since.
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Jim Karczewski, Photographer, Assistant
Hammond | IN | USA | Posted: 3:55 PM on 02.16.14
->> Ed-

Exactly what I did but with a piece of White Oak that I had lying around the garage that was just the right size.
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Thread Title: 580EXII External Power Connector intentionally weak?
Thread Started By: Jim Karczewski
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