Wanted: Kaypro 2'84/2x

From: Richard Erlacher <edick_at_idcomm.com>
Date: Tue Jun 4 00:20:14 2002

This is absolutely good advice. In a Kaypro there are only three major areas
of failure. The PSU, the Mainboad, and the monitor. If the PSU isn't putting
out, there's no reason to expect the rest of the machine to work properly. If
the mainboard IS working properly and you don't get a display, it's likely
you've got a monitor problem. How you go about figuring out whether one or
the other of those conditions is present is up to you, but if the PSU isn't
doing what it should, all bets are off.

Dick

----- Original Message -----
From: "Don Maslin" <donm_at_cts.com>
To: <cctalk_at_classiccmp.org>
Sent: Monday, June 03, 2002 10:46 PM
Subject: Re: Wanted: Kaypro 2'84/2x


>
>
> On Mon, 3 Jun 2002, Richard Erlacher wrote:
>
> > I've got to agree with Tony on this one ... these machines seldom appear
in
> > the "thrift stores" I visit, and I don't think I've seen one in nearly a
> > decade, even in the used/surplus computer stores. What's more, theyre so
> > elementary in their functions, consisting of standard TTL parts and
> > conventional peripherals, that you should encounter no serious difficulty
> > other than mechanical parts that may be broken. If it died on its own,
it's
> > likely that an electrolytic capacitor in the PSU or a tantalum on the main
> > board is at fault. If you unplug the power to the main board and suddenly
> > find the PSU provides the correct voltages, you should be able to repair
the
> > thing easily, though you'll be much more proficient at desoldering IC's
and
> > soldering sockets in their place when you're done.
>
> Well, before you start desoldering IC's you should remove the power
> supply board and resolder all of the pins that mate up with the long
> power connector. Kaypro's were infamous for developing a cracked solder
> joint in one or more of the pins.
>
> - don
> > Dick
> >
> > ----- Original Message -----
> > From: "Tony Duell" <ard_at_p850ug1.demon.co.uk>
> > To: <cctalk_at_classiccmp.org>
> > Sent: Monday, June 03, 2002 12:30 PM
> > Subject: Re: Wanted: Kaypro 2'84/2x
> >
> >
> > > >
> > > > My Kaypro 2'84 died.
> > >
> > > How dead? Does it do anything at all at power-up?
> > >
> > > > I need a replacement as this was the only CP/M machine
> > >
> > > Are you certain that it's going to be harder to repair the existing
> > > machine than to find a replacement (as an aside, I've never seen a
Kaypro
> > > _anything_ in the UK). From what I've heard, though, Kaypros are pretty
> > > standard circuitry and shouldn't be hard to repair.
> > >
> > > -tony
> > >
> >
> >
>
>
Received on Tue Jun 04 2002 - 00:20:14 BST