cclist at sydex.com
Wed Mar 1 20:12:45 CST 2006
On 3/2/2006 at 1:26 AM ard at p850ug1.demon.co.uk wrote:
>> Last resort is popping the box open and checking the ground plane on the
>> PCB or any of the ICs (if the ground plane is buried) against the
>That's the one I do first. Why 'as a last resort'?
If this were a desktop system, I'd go for the screwdriver first. However,
on portable systems, reassembly can sometimes get a little involved--at
least for my "all thumbs" hands!
Let's not forget that the original poster knows that the PSU puts out
+18vdc. It's EXTREMELY unlikely that the positive side of the PSU has a
direct connection with any signal pin!
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