Subject: Re: Shark power-bricks
To: None <port-arm32@NetBSD.ORG>
From: Mr. K. Sherratt <ksherratt@argonet.co.uk>
List: port-arm32
Date: 07/15/1998 18:56:19
On 14 Jul, Steve Woodford <steve@mctavish.demon.co.uk> wrote:
> Basically, it looks like the main MOSFET (Q1) goes for a Burton, and
> takes the switching regulator (U1) with it. Hardly surprising really,
> since the MOSFET failing can potentially expose U1 to full-wave
> rectified mains... I'm just amazed the fuse didn't blow.
First rule of mains power;
The device will fail to protect the fuse.
I apologise for that completly pointless post, but from experience, it is
true :-(
--
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