[sdiy] How do you find the cause of a short ?

[Steve Ridley]

I got a (cheap second-hand) Polar Toneohm - it's a low resistance meter with a tone output
whose frequency changes with resistance. Saves me a lot of unnecessary track cutting
and component removal.


Steve


> I have a couple boards which are beeping on the continuity test between the positive rail and ground.
>
>
> I cant find any bridged traces with a magnifying glass. Maybe a bypass cap blew? Or maybe......
>
> But i have no idea how to figure out what might be the culprit.
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> I disconnected the power supply and the problem persists.
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>
> Thanks for any advice!!