Re: Asteriods losing voltage

From: Kurt Mahan <kmahan_at_xmission.com>
Date: Tue Dec 11 2001 - 13:34:54 EST

> On Tue, 11 Dec 2001, John Robertson wrote:
>
> > Dean, your edge connector on either the board, the card edge connector, or
> > BOTH is/are toasted. The Vcc or Vdd (common) contacts are burnt and not
> > passing enough current to bring the 5VDC on the MPU up to snuff. I suspect
> > the edge connector is getting hot to the touch....
> >
> > What we used to do is to jumper the burnt out wires to the MPU directly
> > using a interconnect plug (like a car trailer plug set) so the board could
> > be removed for service. Purists add a very short extension card to the MPU
> > and replace the card edge connector.
>
> I hope that "used to do" statement means "We don't do stuff like that
> anymore" ;-) Some people like to use their cabinets to test other boards
> and don't want to have to hack their boards for testing purposes.
>
> Replace the edge connector and repair the board edge as best as
> possible. Edge or molex connector pins can be bent and soldered over
> burnt edge pins without too much trouble if you don't want to go to the
> trouble of completely grafting on a whole new extension card.

My only issue with the above is if you don't get the height of the
"new edge" down. I've seem people try it - even with solder blobs - and
they end up trashing the connector itself 'cause it bends the hell out of
the pin.

Kurt
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Received on Tue Dec 11 10:55:21 2001

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