[Amps] Clipperton-L question

[Carl]

Id check the SSB/CW switch carefully for arcing to a metal part. Common 
problem with an underated switch.

Carl
KM1H



----- Original Message ----- 
From: "Larry" <lknain at nc.rr.com>
To: <amps at contesting.com>
Sent: Wednesday, September 11, 2013 2:43 PM
Subject: [Amps] Clipperton-L question


> One day when I switched from CW to SSB mode on my Clipperton-L it blew the 
> fuse with a good bang. The switch picks between a tap and one side of the 
> power transformer secondary – tap being for CW. I forget but for SSB I 
> think the power supply supplies 2500V(+/-) and somewhere around 2000V(+/-) 
> for CW. Nothing obviously wrong  that I could see with just the covers 
> off. I replaced the fuse and as soon as I turned the amp on it blew the 
> fuse again. I searched the web to see if someone had seen this problem 
> before and had written about it but I didn’t find anything.  I have had 
> the amp since it was new (1984?) but I put a Harbach power supply board in 
> it about 2 years ago. As a long shot I thought I might ask here if anyone 
> had seen a similar problem before I try to troubleshoot this.
>
>
> 73, Larry  W6NWS
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