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Re: [TenTec] Herc II relay problem

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Herc II relay problem
From: k6jek <k6jek@comcast.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 22 Oct 2013 15:05:24 -0700
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Correction. K3 is a reed relay. It appears to be toast. I still don't 
understand how it's supposed to work.

On Oct 22, 2013, at 2:27 PM, k6jek wrote:

> Anyone familiar with the Hercules II relays?
> 
> Mine now keeps the antenna disconnected from the transceiver (O7) whenever 
> the amp is on. Pulled the amp on to the bench and sure enough IN doesn't 
> connect to OUT as soon as power is applied.
> 
> I've been staring at the schematic of the INPUT BOARD but am mystified by how 
> it's supposed to work. Sure enough when power is applied IN and  BYPASS are 
> no longer connected, I presume because K1 has pulled in and K3 has not. 
> However, it's K3 that doesn't make any sense to me. I don't see how any 
> receive signal gets through with K3 open (which it is) but it is not one of 
> the fast reed relays and it's labelled QSK bypass.
> 
> Jon
> 
> 
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