[time-nuts] Argo AS-210 frame

[Steve - Home]

Jim,

I have an AS210 system that is on the “round tuit” list. It worked when I got it years ago but developed problems and had to be set aside. I have the -01A module controller, -02 freq comparator, -03 freq generator (500MHz), -04 digital delay gen, and -20 clock module. I haven’t seen one with an 18GHz plug-in; that would be nice.

I have the manuals somewhere but it would take some archaeology to find them as I’m rearranging the lab.

One thing I remember is the modules will not work in a TM-series mainframe. Chances are good you would damage both the plug in and the mainframe. I don’t have a TM mainframe handy to see if the case parts might work. Mine was rack mounted and has very basic aluminum panels.

I’ve had all the modules except the controller out at one time or another. The controller looks to be a bear to remove and I believe that’s where the rubidium oscillator hides. It will be after the new year before I can have a look at mine but I’m happy to help if I can. 

Steve K. 



> On Dec 13, 2017, at 6:56 PM, jim stephens <jwsmail at jwsss.com> wrote:
> 
> Does anyone have a lead on the oscillator in this frame as far as repair / replacement?
> 
> A friend has one with all the plugins, and one extra spot.  If I understand it, he also has an 18ghz plugin to fit that.
> 
> But currently the oscillator seems kaput.  He's checked all of the fuses he could get to according to the manual, and is looking for two others that currently alude him.
> 
> If anyone has had one apart and has some words on the process of working on them, he said he had a hell of a time disassembling things.  Also there are only shards of part of the case, and he seems to think the sizes of the panels are custom, and we can't rob from a donor TM-515.
> 
> Would appreciate anyone who has worked on one to let us know.
> thanks
> Jim
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