[volt-nuts] Datron 4700 manual and options

Todd Micallef tmicallef at gmail.com
Thu Jul 20 10:51:25 EDT 2017


Shorted tantalums most likely. I had several on mine that went bad as
quickly as I replaced them. I would start with the inguard supply board.

I think the 4708 manual is available for download at KO4BB or xDevs. If
not, I can dig up something. I have a set of the manuals.


On Thu, Jul 20, 2017 at 10:01 Fred <pa4tim at gmail.com> wrote:

> Today a friend gave me a Datron 4700. It looks like new. It is stored
> (working)  for many years in the cal lab he works. He was allowed to
> take it home (for me, in return I will repair his SA), He plugged it in,
> Fail 1 on the display followed by a sound and a smell.
> I opened it but nothing looks burned.
> I can not find a service manual, does someone has one ?
> On the back the label shows no options but if he remembers it well it
> should have all or at least most  options. All slots are filled with
> pcb's. The "box" in the left upper corner is full and there is a very
> small pcb next to it. There is not much room left. Just enough to store
> a small multimeter between the huge transformer and that box.
> Fred
> www.pa4tim.nl
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