While looking for Elinchrom light modifiers on eBay happened across two 404 flash power packs. These are rated at 4000W/S per unit, price was not resistable.
Off with the covers to reveal:
Other than decades of dust and dirt. Mostly ok, except for the RIFA (swiss made) capacitors that have a proven history of failure.
Replaced them all.
The main capacitor bank with the bottom off.
Once the apparent dead parts were replaced-repaired, time for reforming ALL the capacitors. If not done properly, any of these capacitors can explode upon initial power up.
Bernice
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