[Icom] Frozen Send relay - 756
gareth
[email protected]
Sun, 26 May 2002 23:59:02 -0400
Adam Farson wrote:
>
> Gary,
>
> Are you using an auxiliary keying relay or buffer interface between your IC-756
> and your amplifier? A suitable interface is required if the amplifier's
> keying-line voltage and current exceed 16V/0.2A
>
> >From your description, it sounds as if the radio's internal reed-type keying
> relay is welded, and will require replacement. As Van K0KAV suggested, Be sure
> to connect an interface in the keying line after you get the relay
> repaired/replaced.
>
> Refer to http://www.qsl.net/icom/auxrelay.html
>
> You can build your own interface if you wish to.
> http://www.qsl.net/kk5dr/IcomKeyInterface.html
>
> Ameritron makes the ARB series, and the Yaesu FRB-757 may still be available
> from some dealers or in the used market.
>
> [End of debate about the merits or otherwise of amp keying interfaces]
>
> Best 73,
> Adam, VA7OJ/AB4OJ
> North Vancouver, BC, Canada
> http://www.qsl.net/ab4oj/
> Note new e-mail address:
> mailto:[email protected]
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]On
> Behalf Of gareth
> Sent: Sunday, May 26, 2002 19:37
> To: [email protected]
> Subject: [Icom] Frozen Send relay - 756
>
> First it is lines on the scope - (which are getting darker by the
> QSO) - now, out of the clear blue sky the send relay froze in the TX
> position. The amp is permanently keyed and will not return to RX.
> Has anyone else had this problem? I am beginning to think the whole
> relay will have to be replaced. While I am at it I might as will get
> a new scope. I wonder if Cliff can do this? Major bummer for sure
> :<<
>
> Gary N1MSV
>
> ----
> Your Moderator: Dick Flanagan W6OLD, [email protected]
> Icom FAQ: http://www.qsl.net/icom/
Thanks Adam - great info!
Gary