Question about Sigma EF-500 DG for TTL Flash
Clean as much corrosion as you can from the contacts. If you've already done so then the corrosion has spread to the wires connected to them and will need to be replaced. This means opening up the unit and unsoldering the old wires between the contacts and the circuit board and replacing them with new ones.
You'll need to take great care as a flash capacitor can store a lethal charge, and you'll also need good soldering skills to both ensure that the new joints are sound and that you don't put too much heat into the circuit board causing damage.
The actual repair though just costs a couple of pieces of wire and a bit of solder, so is very cost effective if you have the tools and skills.
Posted on Sep 03, 2010
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Posted on Jan 02, 2017
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The most common cause of
rusting or corroding is an Improper cleaning of your stainless steel. This
could include not removing all the dirt, not thoroughly rinsing your stainless
steel after washing, leaving some soap behind, and not thoroughly drying your
stainless steel, allowing the iron in your water to react with the oxygen in
the air leaving spots behind. Try avoiding the above in order to prolong your
stainless steel life.
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