Another commercial device for troubleshooting short is:
http://circuitboardshorts.homestead.com/home.html

Dave Fish

----- Original Message -----
From: "Carl VanWormer" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, June 06, 2002 2:21 PM
Subject: Re: [TN] How to de-populate a PWB? (warning - another commercial
plug)


> More apologies for another commercial plug . . .
> Check out the ShortSniffer short circuit finder at www.testecvw.com to see
> another method to locate shorts under ICs or on inner layers.
>
> -----Original Message-----
> From: Martyn Gaudion [mailto:[log in to unmask]]
> Sent: Thursday, June 06, 2002 1:06 PM
> To: [log in to unmask]
> Subject: Re: [TN] How to de-populate a PWB?
>
>
> Hi Michelle,
>
> If you are looking for inner layer shorts, there
> is no need to de populate, Polar produces a low
> cost instrument called toneohm 950 which ise designed
> to locate inner layer shorts using non destructive techniques..
>
> www.polarinstruments.com/products/toneohm/toneohm950.html
>
> Apologies for a commercial post, but its the right tool for the job...
>
> Kind regards
> Martyn Gaudion
> www.polarinstruments.com
>
>
>
>
>
> At 11:49 06/06/2002 -0700, you wrote:
> >Hi All,  How do you de-populate a PWB board without causing too much
> >damage on the board's outer layer, that you can still measure the
> >resistance of all of the traces?  I am looking for inner layer shorts on
> >the PWB.
> >
> >I heard you can de-populate a board by placing the loaded board into a
> >solder bath, and the components falls off automatically.  Then, put the
> >board into an acid bath to etch off the solder on the surface of the
> >board.  This method seems to etch out some of the outer traces.  Do any
of
> >you have suggestions to my assistance?  Your help will be greatly
> >appreciated it.
> >
> >
> >Michelle
> >
>
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