Finding shorts in boards

[Joe R.]

At 03:21 PM 12/1/04 +0000, you wrote:
>On Wed, 2004-12-01 at 09:43 -0500, Paul Koning wrote:
>> >>>>> "Jules" == Jules Richardson <julesrichardsonuk at yahoo.co.uk> writes:
>> 
>>  Jules> I've got a board here with a short between ground and the +5V
>>  Jules> rail (actually not quite dead - I'm getting around 10 ohms
>>  Jules> between the rails)
>> 
>>  Jules> Any useful tips for finding the fault? It's a large board,
>>  Jules> multi-layer, lots of silicon on it unfortunately :-(


   I'd be willing to bet that the short is in a decoupling cap.  Get one of
the HP current tracer probes. You should be able to track down the short in
minutes with it.

   Joe