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Re: [Amps] please help with weird problem - culprit found

To: <Amps@contesting.com>, "Will Matney" <craxd1@ezwv.com>
Subject: Re: [Amps] please help with weird problem - culprit found
From: "Floyd Sense" <fsense@copper.net>
Date: Mon, 31 Jan 2005 11:38:48 -0500
List-post: <mailto:amps@contesting.com>
Can't disagree with your statements, but Don has ZERO chance of getting any help from Icom. The situation with the receive antenna input is well known among Icom 765 users who operate on 160. KD9SV makes a nice little protection unit that can be used with the 765 and any other transceiver with a separate receive antenna input. It grounds the receive input on the rig as well as disconnects the receive antenna during transmit (controlled by your PTT line). Here's a link for those interested
http://www.radio-ware.com/products/fes.htm . I've used one of these for a couple of years with no problems. On the other hand, there are 765 users who ignore this potential problem completely and NEVER have had a problem. I hope Don gets his 765 fixed OK.


73, K8AC

----- Original Message ----- From: "Will Matney" <craxd1@ezwv.com>
To: <Amps@contesting.com>
Sent: Monday, January 31, 2005 10:59 AM
Subject: Re: [Amps] please help with weird problem - culprit found




I don't think he's at fault either, and to me they owe him a repair job
or new rig IMHO. That equipment costs too much for something like that
to be thought of. If they knew it was this way, and did not have it in
the operations manual, that's just wrong and they owe him. There's
nobody that ought to have to read a schematic to see how one is before
they ever use it. That's BAD engineering practice if I ever seen it. If
I was Don, I'd call um up and raise he** until it was settled! Plus, I'm
glad he told it here so I know about Icoms, and whether I could trust
them now on what they make.

Will


On Mon, 31 Jan 2005 14:03:26 +0000 (GMT), Roger Parsons <ve3zi@yahoo.com> wrote:

Don is blaming himself for this problem.

My feeling is that Icom should not offer/have offered
equipment with a defective design!

All Don did was to connect an auxiliary receive
antenna to the auxiliary receive antenna connection.
The rig fails to operate correctly in those
circumstances and ultimately fails catestrophically.
It is quite unreasonable to expect a user to closely
examine a microscopic schematic before using the
equipment, particularly when the proposed usage is
described in the operating manual.

FWIW, I am sure that all the older Icoms suffer from
the same defect, and suspect that many other rigs from
most manufacturers are the same.

73 Roger
VE3ZI






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