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

[Dan Snazelle]

I see it costs 4,000 new :(

Ill keep my eyes out for a cheap one!

Sent from my iPhone

On Sep 15, 2012, at 5:00 PM, Steve Ridley <spr at spridley.freeserve.co.uk> wrote:

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