Computer repair shop

[Drew Van Zandt]

Power *should* be on the internal layers.  That's where it belongs, for
several engineering and manufacturability reasons.  Call ideas dim-witted
after you have designed a few nontrivial PCBs, please.

This is less true of unregulated power, but many of the same design rules
hold true.

--DTVZ

On Mon, May 5, 2008 at 1:38 PM, <VirginSnow at vfemail.net> wrote:

> > Date: Sun, 4 May 2008 23:33:12 -0400
> > From: "Ben Scott" <dragonhawk at gmail.com>
>
> > these days; they just swap parts.  A faulty power connector is most
> > likely going to mean swapping the motherboard.  In many laptops, the
> > motherboard is most of the computer.  So, very expensive.  (Unless its
>
> Second that opinion, see below.
>
> >   At the same time, the power connector is one of the few things that
> > might actually be field repairable by someone with tools from Radio
> > Shack.  They usually have only two or three solder joints, all of
> > which are relatively large, since they'll be carrying the most current
> > of anything in the laptop.
>
> It's usually possible to solder the jack back on and epoxy it.  But
> some of the Inspirons have multi-layer motherboards.  On these boards,
> there are runs *inside* the fiberglass, completely covered and
> inaccessible to a soldering iron.  And, yes, some designers had the
> dim-witted idea to run *power* through these internal runs.  Since the
> exposed face of the conductor is not likely to be larger than a few
> square millimeters, repairing this kind of jack-break *is* probably
> going to require replacing the whole motherboard.
>
> You really have to take the motherboard out and hold it up to the
> light to tell if the conductors really will be accessible.
> _______________________________________________
> gnhlug-discuss mailing list
> gnhlug-discuss at mail.gnhlug.org
> http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.gnhlug.org/mailman/private/gnhlug-discuss/attachments/20080505/35c42298/attachment.html