HP 1144A

[MIKE BRYCE]

dale..

which fuse?

the input on the ac line or the dc output ?

if the input fuse is going, make sure it is the rated value and a slow blow
type.

if the dc side is going, try disconnecting the scr crowbar. the output
voltage may be a tad high and causing the scr to fire when the high power
relay switches on.


Mike Bryce, WB8VGE
SunLight Energy Systems

http://www.seslogic.com
http://www.theheathkitshop.com


> From: Dale Jones <aa7xx at SIPNSEARCH.COM>
> Reply-To: Dale Jones <aa7xx at SIPNSEARCH.COM>
> Date: Tue, 24 Feb 2004 16:51:41 -0800
> To: HEATH at LISTSERV.TEMPE.GOV
> Subject: HP 1144A
>
> Having a problem with my HP1144A Power supply.  When using low power on my
> SB104A the power supply works OK,  But when I push the Hi Power button and
> key the mike the power supply blows it fuse.  The radio works fine with a
> non HK power supply such as the Astron 20 Amp.  Any suggestion
>
> Thanks  Dale AA7XX
>
>
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