Lisa 2 power supply problems

From: Hans Franke <>
Date: Fri Sep 3 09:00:47 1999

> I have a question. I have been looking for a Lisa for quite some time
> and I finally found one (Lisa 2 or XL, not quite sure). I brought it
> home and excitedly plugged it in and ... nothing. No spinning of drives
> no monitor activity just a small, short hiss that comes from the power
> supply every time I hit the soft switch. According to sun's pdf repair
> guide this is perhaps a problem with the power supply (mine is the 1.8
> model). Could you perhaps suggest to me (or refer me to source that
> could) how to check my power supply, or if this is even the right course
> of action. Have been diddling with this for three days now and have no
> ideas.
> I did however take a volt meter to the power supply and noted that while
> I have black on body of the power supply I only get one five volt
> reading and nothing else. That comes from the third tooth up and only
> on one side.

Shure you closed the backside ? There's a small switch, and the
machine only powers up if this switch is closed - safety first :)
At least this is the most common problem when a Lisa won't power


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Received on Fri Sep 03 1999 - 09:00:47 BST

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