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

[blacet at blacet.com]

1. ICs in backwards.
2. Power cord misassembled.
3. Short *under* the power connector.
(I use those .156 ones with the square pins. The PCB has a round hole. I
had an assembler that would sometimes push too much solder into the hole
causing a solder bridge between the connector and PCB!)


> 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.
>
> I disconnected the power supply and the problem persists.
>
>
> Thanks for any advice!!
>
>
>
>
>
>
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