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Re: [Amps] SB-220 troubles

To: amps@contesting.com
Subject: Re: [Amps] SB-220 troubles
From: Pete Smith <n4zr@contesting.com>
Date: Fri, 13 Feb 2009 06:32:41 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
At 01:17 AM 2/13/2009, someone wrote:
>I'd be the first to admit I could make a mistake.
>
>However, I can't for the life of me picture how this particular interlock
>could save me.
>
>It seems to me that the psychology of this particular thing was to save
>someone who was cluelessly taking this amp apart *while it was powered up* or
>shortly afterward, before the bleeders drained the HV away.
>
>Every scenario I can think of that ends with me stupidly getting into the HV
>while working on this amp wouldn't be affected by this interlock.

OK, here's an interesting design exercise - we need an interlock that 
*does* protect the operator and "doesn't* kill the power supply.  How would 
you do it?  Or can it be done?

Otherwise, I'm inclined to remove the interlock on my SB-220.

73, Pete N4ZR 

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