[Icom] 765 TR relay

Wed, 5 Mar 2003 05:19:48 -0500

Bruce,

Probably a bit of foreign material between contacts. My IC-765 does this
at times and also my Ten Tec Corsair. Now these are pretty old rigs, and
I am not saying new relays would not completely cure the problem, but after
a spell of this, it will clear up and go away for months at a time. So, give it
some time.

Also, you can trying lifting up your IC-765 (if you can manage) and giving
it a few nice hefty shakes while it is on it's side. 

GL,  Larry  K4WLS
----- Original Message ----- 
From: "Bruce D. McLaughlin" <[email protected]>
To: <[email protected]>
Sent: Tuesday, March 04, 2003 6:42 PM
Subject: [Icom] 765 TR relay

Well, I think my faithful 765 may be developing arthritis of the TR
relay.  After a few minutes, it sometimes loses sensitivity on receive.
If I send a dot or dit, the sensitivity immediately comes back.
Sometimes it remains OK for the rest of the session and sometimes I have
to dit again once or twice.  Does that sound like TR relay trouble?

If it is trouble with the TR relay, how much of a problem is it to
replace.  I don't have a service manual unfortunately so I am trying to
make a preliminary assessment as to whether this is something I could
reasonably do myself.

Bruce - W8FU

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