OT: Struggling to find info - needing assistance

[PAUL PAGEL]

Mike,
 
I've never heard of Graymark. From your description of the kit's status, I wonder if it wasn't a kit offered by an electronics school. (Why was power applied to the partially built kit with parts still in the box? Providing step-by-step instruction?) It might help if you could provide more information, ie, bands covered, dates on the box/board, etc. 
 
Take a shot at asking ARRL's Technical Information Service (TIS). Although they handle a lot of traffic and might not provide an immediate response because of that, they may have resources that others don't. I'm sure they'll try to help.
 
73,
 
Paul / N1FB


Mike Miller <ka9rqw at MCHSI.COM> wrote:
Hey all,
Having problems, and can't think of a more knowledgeable place to 
turn for information-

In cleaning out my garage, I came across an old (and not yet 
completed) kit I can't seem to find the instructions for or the tube 
listing for. It's a Graymark 505b transmitter, still in the original 
(though very shopworn) box, with some of the original parts still 
packaged inside. It's partially assembled, and appears as though 
someone has tried, although unsuccessfully, to apply power to it. I've 
considered restoring it and completing it, since the board's not going 
to be in pristine condition anyway, most likely, due to the damage to it 
from the power applied (there may likely have been a wiring error that 
caused it to arc when power was applied, I can't tell without a 
schematic, but that would be my guess).

I'm looking for any information I can find for this 
unit...schematics, parts list (though, obviously, I could generate that 
from a schematic), assembly instructions, etc. Any help or assistance 
would be greatly appreciated. I've already checked my usuals (BAMA, 
eserviceinfo, mods.dk, and so forth) already, with no luck, so those are 
exhausted. I've also googled for what I would consider the obvious 
(graymark, graymark 505, graymark 505b, graymark transmitter), with no 
luck either. Anyone got any other suggestions?

Apologies for directions away from the green. Thanks!!

--Mike, KA9RQW


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