[Icom] Frozen Send relay - 756

Matt Erickson [email protected]
Mon, 27 May 2002 14:16:28 -0500


That, 2A. is a "mis-print", that figure never has been correct. Look up the 
specs on the relay, an you will see it is 200mA.


At 12:18 PM 5/27/02 -0500, you wrote:
>Actually, all the Icom manuals I have come in contact with say 16V DC/2 A
>with a additional note that "if this level is exceeded, a large external
>relay must be used." If that your correct, no external relay would be
>necessary.  Clearly, it is misinformation and NO-ONE (I know) has ever
>gotten a straight answer from Icom yet.  When I talked to them they said,
>"Our transceivers are designed to operate with our amplifiers ONLY."  Adams
>website pretty well explains the situation with Icom internal relays and the
>confusion that exists.  Bottom line, an ounce of prevention is worth a pound
>of cure.
>
>Van,
>K0KAV
>
>
>All Incoming/Outgoing mail checked by Norton Anti-Virus 2002.
>
>----- Original Message -----
>From: "Matt Erickson" <[email protected]>
>To: <[email protected]>
>Sent: Monday, May 27, 2002 12:04 PM
>Subject: Re: [Icom] Frozen Send relay - 756
>
>
> > At 12:39 PM 5/27/02 -0400, you wrote:
> > >Gary
> > >         I kinda though that was the problem. I always suggest that a
> > > relay be used regardless of make or model. Best insurance in the world.
>I
> > > think manufacturers should print this on the manual's cover in big red
>letters.
> >
> > Would not do any good, because these same guys don't read the manual, it
> > gets tossed into the box after the rig comes out, and is never looked at
>again.
> >
> > It states clearly "inside" the manual that the limit on the keying relay
> > is; 16vdc @ 0.2 A = 200mA.  If the keying relay of the amp is drawing
>300mA
> > @ 12vdc, it is still out of range. Even at 5vdc. if the key voltage is
> > 24vdc @ 50mA, it is STILL out of range.
> >
> > Use an "interface" relay, they are cheap, easy to make, and good
>insurance,
> > just like he said.
> > I have a circuit on my web site anyone can use/copy, etc. both open-frame
> > relay and solid-state are covered.
> > www.qsl.net/kk5dr/
> >
> > 73 de Matt KK5DR
> >
> > >Take Care
> > >JV
> > >
> > >
> > >----
> > >Your Moderator: Dick Flanagan W6OLD, [email protected]
> > >Icom FAQ: http://www.qsl.net/icom/
> >
> > ----
> > Your Moderator: Dick Flanagan W6OLD, [email protected]
> > Icom FAQ: http://www.qsl.net/icom/
>
>
>----
>Your Moderator: Dick Flanagan W6OLD, [email protected]
>Icom FAQ: http://www.qsl.net/icom/