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#1 |
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Badcaps Veteran
Join Date: Jul 2009
City & State: Pennsylvania
My Country: USA
Posts: 684
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So I was replacing a set of primary filter caps in an amplifier PSU board. The caps were glued to the board, and when I finally got them loose, I realized I damaged one of the vias when trying to break the glue bond. The trace is still good, but the via is not.
My plan is to bypass the trace, and solder a piece of wire between the capacitor leg and the next component. However, since this is inside a sub enclosure, its possible the capacitor leg may make intermittent contact with the trace or what's left of the via from vibrations. Do I need to worry about arcing at all from this intermittent contact? This is a 200V 820uF capacitor and 125V mains voltage runs through it. I don't usually work with things outside of PCs, so I figured I'd post this and let one of the gurus chime in. Thanks! |
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#2 |
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Badcaps Veteran
Join Date: Oct 2005
City & State: Rockhampton, Queensland, Australia
My Country: Australia
Line Voltage: 240VAC 50Hz
I'm a: Hobbyist
Posts: 1,296
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Do you have any pictures of it?
I fixed a broken via in a UPS on a large snap-in electrolytic capacitor without any problems. Before I fixed it, the UPS inverter would not run, because the protective circuitry timed out because of a missing output rail.
__________________
My first choice in quality Japanese electrolytics is Nippon Chemi-Con, which has been in business since 1931... the quality of electronics is dependent on the quality of the electrolytics. |
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#3 |
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Badcaps Veteran
Join Date: Apr 2006
City & State: Sweden
Posts: 267
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Don't know exactly how it looks, but shouldn't you be able to fix it with some hot glue? Maybe get some thick tape to insulate where you don't want it to touch?
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