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Kevin, If you want to go that route I have UHF Mastr II exciter boards & ICOM's here. I have mobiles also. I use these as spare parts and need to make sure I have a whole one that works. Fred KF4QZN ----- Original Message ----- From: Kevin Bednar Sent: Tuesday, January 06, 2004 10:04 PM Subject: RE: [Repeater-Builder] Re: Repeater Help Anyone have any UHF Mastr II or Micor exciter boards laying around they
don't need? ;) Thanks Coy. And yes, the SCR 4000 does have 2 sockets on the
bac
k for external connections it looks like. They are reminiscent of the old
tube bases in the older radios. Thanks.
Kevin
-----Original Message-----
From: ac0y5 [mailto:[EMAIL PROTECTED]
Sent: Tuesday, January 06, 2004 9:29 PM
To: [email protected]
Subject: [Repeater-Builder] Re: Repeater Help
Well Kevin,
You've started it all again. It's nice to see I'm not the only one with a
problem. I'm glad that GE NEVER made an exciter board with a problem It too
might get flamed. Some on this group don't know how to take a joke or fix
serious problems.
The problem with the Spectrum repeaters is that the designer( not engineer
or design engineer)that designed the exciters designed things that looks
like a CB'r designed it. After a very close inspection and some time spent
thinking about the spectrum that I have I found a simple solution to the Tx
problems that It has.
Here are some serious suggestions. 1 remove the exciter board
and replace it
with the MASTRII exciter board. That'll fix that problem real fast. The only
thing that you need to do is arrange for the necessary +10 Volts to operate
it, even the least technical ham should be able to take care of that. As for
the controller the SCR1000 has a controler connector on the back for a
controller. All of the lines that you need should appear there if the 4000
also has the connector.
73 and good luck with your project.
AC0Y Coy
--- In [email protected], "kbednar99" <[EMAIL PROTECTED]>
wrote:
> Ok, at the risk of being flamed I am gonna' ask this question anyway.
> ;) I have inherited a Spectrum Communications SCR-4000 repeater.
> Receive seems to work fine but the TX freq drifts after
a
> few minutes no matter how many times I reset it. It has the TCXO
> option in it but it doesnt seem to matter. Any Ideas on what might
be
> causing this? Spectrum has been LESS than helpful, other
than to say
> "we discontinued it over 10 years ago and can't help you"
and "we
> can sell you a manual if you want though!". Thats great. Also,
does
> anyone know what mods are needed to run this unit with an outboard
> controller, as the Spectrum one sucks. Any and all help is GREATLY
> appreciated!
>
> Kevin
> K2KMB
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