Question about Canon Speedlite 550EX TTL Flash

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Broken hotshoe for 550EX

How do I replace the broken hot shoe on the Canon 550EX? I am able to unscrew the four screws around the hot shoe area. I figure I may able to replace the portion of the flash. Please advise whether there is a cherap way to fix the the broken hot shoe. Thanks.

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Re: Broken hotshoe for 550EX

Http:// i did the same with my 430ex ordered part from url above. need to do a little soldering though.



Posted on Oct 10, 2007

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Repair a broken hot shoe mount on the speedlight

Have to try tighten down the four screws holding the shoe?

Would you like me to fix it for you?

If it is just the Hotshoe Assy, then you can buy from me.
They come in two versions:

Nissin Di866
Nissin Di866 Mark II

Are you from USA?


Aug 12, 2014 | Nissin Di866 Digital Flash TTL for Nikon...

1 Answer

Canon 550 ex speedlight - flashes okay. Won't sink with 60d (tried different cameras at dealer - same problem) Camera is okay .

Try these steps:
1. Set camera to manual2. Set shutter to 1/60
3. Set aperture to F5.6
4. ASA/ISO 200
5. 550EX on hotshoe
6. Do not set on slave or master
7. Turn on flash

Display must shows, ETTL.
If that doesn't work, you have to use the flash on manual.
Some of this model will not work fully on ATG Canon EOS-1D C, ATG Canon EOS-1D X IR, Canon EOS-1D X/60D/T4i because this flash is over 20 years old.

Unless you would want it to be modified by me.
But that can be costly when you can get the 580EX II for less than $425.00 USD.

Jan 01, 2013 | Canon Speedlite 550EX TTL Flash

1 Answer

I have a Di622 Nissin Flash, the base is broken. The part that slides into the hot-shoe. Would like a quote on the fix.

i have a Di622 Nissin Flash, the base (hotshoe contact piece that slides in camera) is broke is there anywhere I can order the replacement piece?

Jul 20, 2010 | Nissin Speedlite Di622 TTL Flash for Canon

1 Answer

Broken shoe mount

Hi Scott,
I can repair it.

Feb 15, 2010 | Canon Speedlite 550EX TTL Flash

1 Answer

Sigma Flash EF-500 DG SUPER

I use one of my cams with a sigma 500 DG-ST in a nightclub

ive done 3 of the hot shoe connectors in the last year

look up sigma's website and find the contact info
give them a call and they should after some arguing ship you out the parts

every time i have ordered parts they try and get me to send it in for repair even though by the time i am ordering the parts the flashgun is already in bits & i tell them this they keep telling me how dificult it is to do...

for the canon fittment do the following

at the base of the flash remove the 4 screws
this removes the bottom section
unclip the wireing harness
there are 2 screws securing a small metal plate remove them

now there are 4 screws securing the small PCB, remove them, you can now take out the boot from the bottom be careful as the pins and the springs will want to come out
pay atention to the locking pin and how its orientated

swap over the broken boot with the replacement then retrace your steps to get it back together

Sep 24, 2008 | Sigma EF-500 DG for TTL Flash

1 Answer

Broken Hot Shoe

This link gives step-by-step instructions with pictures for replacing the shoe.

Jun 16, 2008 | Canon SPEEDLITE 580EX TTL Flash

2 Answers

Broke foot of Canon Speedlite 420EX TTL Flash

Part # CY2-4165, order from Canon. Four screws and a plug in cable and that is it.

Mar 08, 2008 | Canon Speedlite 420EX TTL Flash

1 Answer

Canon SPEEDLITE 580EX - How do I replace the hotshoe mount?

These instructions are for the 550ex and I imagine that the bodies of the flash units are the same.

As with any project, make sure to get a good workspace with plenty of light where you won't drop any screws and lose them...

1) There are 4 screws on the bottom of the flash unit that you'll want to unscrew first. Carefully tilt back the bottom section away from the red filter which covers the "eye".

2) There is a set of wires going to a white harness in the piece you just tilted off which you can carefully disconnect with a small flathead screwdriver working it on either side.

3) The same type of harness attaches another set of wires but this one is just inside the body of the flash in the cavity you just opened up. This one is a bit wider and you should undo that harness in the same, careful manner.

4) Next, you have to remove the master/slave switch which is attached with two small screws that you'll need to carefully undo. The actual switch is attached to the tiny board you are unscrewing. There is a plate covering that switch that is the piece you actually push when you want to switch it. That piece will come out when you take the actual switch out so remember which direction it went.

5) Now you should have exposed four small screws as you look straight down into the piece you're working with. These screws hold on the shoe you're replacing. With some decent force against the screws, carefully unscrew them. These don't come out very easily so you want to make sure you have the right sized screwdriver that fits and that you're applying some downward force. MAKE SURE you don't strip the head on these screws.

6) Turn the whole piece so that the shoe is facing upwards. Now you can carefully pull off the shoe. Make sure to not lose the loose spring that is under this thing. You'll see that there are 5 prongs sticking up, a horizontal metal piece, and a small rod looking piece with a spring that fits over it. Take note of how these all go so you can put the new one on with those pieces in the right places.

7) Put the new piece on and screw everything back in the reverse order. Voila! You just saved yourself a bunch of money and hassle. Thanks for the tip on where to get that piece, by the way, I had been looking around for it.

Feb 19, 2008 | Canon SPEEDLITE 580EX TTL Flash

2 Answers

Broken flat ribbon cable on SD 28 flash

Hello, after breaking mine this morning I was able to fix the flash so It can fire from the hotshoe.

Any automatic TTL features will still not work however atleast you will be able too fire in auto, and manual modes.

I simply opened the flash by taking off the hotshoe, and then swiveling the flash head 90 degrees to expose the four screws there. You need only remove the two screws from the front side of the unit.

Open the battery door and gently pull away the front case (Be careful there are several delicate ribbon cables that you do not want to snap. From here you can either unscrew all the ribon cables to free yourself room to solder or try and dodge them.

You should now be able to see the rear side of the PC sync socket. There is a blue wire that joins the outer edge of the socket - this is ground. Solder onto this point and join onto the top left circle of the PCB board of the hotshoe. (Opposite corner from where the ribbon cable attatches) There are copper circles exposed on the pcb for easy soldering.

Next, return to the rear of the PC sync socket and note the orange wire coming from the centre pin. Solder a wire to this point, and then down to the hotshoe PCB and to the circle that joins to the centre pin of the hotshoe. (Trace the circuit paths)

Sorry I did this about 30mins ago and I'm remembering this out of my head.


Jan 07, 2008 | Nikon SB-28DX TTL Flash

1 Answer

AF Beam Cover for 550EX Speedlite  i bought hot shoe foot for my 430ex. they ship international.

Oct 09, 2007 | Canon Speedlite 550EX TTL Flash

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