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Re: [Amps] AL-1200 T/R problem

To: amps@contesting.com
Subject: Re: [Amps] AL-1200 T/R problem
From: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Date: Sat, 01 Feb 2014 03:56:57 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
On 1/31/2014 9:49 AM, Fern wrote:
My boss used to say "use a $50 bill to burnish the contacts"   Fern



It really did work but The texture of the bills has changed drastically in the last few years.

I believe a NEW $5, $10, or $100 with the $00 being the best. I don't have any $50 bill to compare, but at least with the older ons, a new $50 actually was quite effective.

The new ones with that finish on them should work. I don't know reahhy whether one of that new issue makes a better contact cleaner than any of the others. I rarely have anything bigger than a $20 <:-))

73

Roger (K8RI)

----- Original Message ----- From: "Karel" <kebenstr@bmts.com>
To: "Ken Asmus" <ken.asmus@gmail.com>; <amps@contesting.com>
Sent: Friday, January 31, 2014 6:44 AM
Subject: Re: [Amps] AL-1200 T/R problem


Hi Ken,
just of the top of my head and I am sure there may be many other reasons,

I would first look at the relay and tried to clean the contacts. There
are contact cleaning files, but perhaps contact cleaner spray might be
tried first.
73 and good luck,
Karel, VA3KO

----- Original Message ----- From: "Ken Asmus" <ken.asmus@gmail.com>
To: <amps@contesting.com>
Sent: Friday, January 31, 2014 8:37 AM
Subject: [Amps] AL-1200 T/R problem


My AL-1200 has developed a T/R switching issue. In about 5 out of 10
transmissions the receive does not fully come back after releasing
the PTT,
A click of the mike button or a dot on the paddle brings the receive
back.

Any suggestions where to strat lookiong to clear this problem?

Thanks and 73,
Ken VA3KA
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