Finding shorts in boards

Paul Koning pkoning at equallogic.com
Wed Dec 1 08:43:56 CST 2004


>>>>> "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 :-(

10 ohms means about 0.5 amps -- sounds like a perfectly respectable
amount of current for a board with "lots of silicon" to draw.
So... are you sure there is a short, rather than just circuitry?

      paul




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