What's your specialty?

From: Tothwolf <tothwolf_at_concentric.net>
Date: Fri Feb 8 20:53:35 2002

On Fri, 8 Feb 2002, Tony Duell wrote:

> > Wire jumpers, some epoxy, and some silicone can even fix a physically
> > broken board in a pinch.
>
> True. It gets harder if the board is multi-layer (i.e. more than just
> double-sided) and/or the tracks are used as HF transmission lines (so the
> width/spacing/route are critical). But those are not likely to apply to a
> PSU.

Multilayer boards I've found are often not worth trying to patch if they
have a crack or charred spot in a critical area. Most all the PSU boards
I've seen have been single sided or sometimes double sided boards. Each
could be patched up if physically damaged.

> > In the past, I've repaired even charred boards. Most of the materials pc
> > boards are made from carbonize and become conductive when exposed to
>
> True. SRBP boards are much worse than glassfibre for this.
>
> > intense heat. I've used a dremel tool to cut/grind away carbonized areas
> > of boards and replace it with new material or wire jumpers. This is a
>
> You might be able to etch a 'patch' -- a small PCB that can be fitted
> into a hole cut in the original and then joined up. It would be worth
> doing that if the original PCB was SRBP (the replacement could be
> glassfibre).

I've done just that. In a pinch, grid-board and some patience can work too
;)

-Toth
Received on Fri Feb 08 2002 - 20:53:35 GMT