I do not have the plan for the 1.8 amp PSU.
I did have the plans for the 1.2 amp, if I can't find it on my
computer, I'll download it again.
I have both a 1.2 (not working 95% of the time) and 1.8 amp PSUs. The
1.8 amp PSU is working fine, however preventative maintenance on the
caps sounds like a great idea.
Also, If I was to replace the caps on the 1.2 amp PSU at the same
time, would there be a good chance that it would bring it back to
life? It would be nice to have a spare working PSU.
Al, nice to hear from you again. I've been following your threads
over on the Apple II List.
I hate making offers, please let me know how much you would like for
the book.
Not sure If I'm interested in the Profile drive, unless you have a
dead unit from which I can use the case to mount the IDEfile into?
Thanks guys
Phil
On Nov 4, 2005, at 12:35 AM, Dr. Helmut Post wrote:
Hi Phil,
do you have a circuit plan of the PSU?
The 1.2 amp PSU circuit plan is available on the Internet- but the
stronger
1.8 amp PSU plan is only available from John Woodall or James
MacPhail- he
has produced these plans.
You should find the plans on Ebay or : www.vintagemicros.com (John's
homepage)
I can tell you which caps have to be (or should be) removed.
It's easy for the 1.2 amp PSU- just tell me if you have the plan.
Helmut
----- Original Message -----
From: "Philip Lord" <[EMAIL PROTECTED]>
To: "LisaList" <lisalist@mail.maclaunch.com>
Sent: Thursday, November 03, 2005 4:09 PM
Subject: Re: Taking apart Lisa - cleaning
Much thanks,
I'll see if I can't track this book down.
I just opened up an old broken 1.2amp supply to have a good look
inside. Not really sure what is what however.
If I can't find the book, would anyone know where the caps that need
to be replaced are located? (C-?)
P
On Nov 3, 2005, at 11:55 PM, Dr. Helmut Post wrote:
Phil,
I forgot to mention the following book:
Macintosh Repair & Upgrade Secrets by Larry Pina
Hayden books ISBN 0-672-48452-8
former price (in 1991): $32.95
There is a big Lisa section inside this book- the removal
procedure of
electrolytic caps is very good illustrated with many pictures.
Helmut
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