Alex,
It's more likely to be failed electrolytic capacitors - it's a common problem
with old machines. If you are in the United States, head over to Maccaps.com
and Charles Phillips can repair it for you.
Even with my background in electronic engineering, the first time I opened a
faulty Mac, replaced the capacitors and heard it chime into life, I was
speechless.
Charles is an expert when it comes to capacitors and repair work.
Of course, if you happen to live elsewhere, a local TV repair shop or
electronics repair shop could do the same job for you but they might charge you
more.
It might be less expensive to get another PSU off eBay but then you canot be
sure that it will work flawlessly if the capacitors have not been replaced. It
is only a matter of time before they fail.
At least if you get the original PSU repaired, you know that it will fit into
the case again.
All the best,
Keith
From: Wesley Furr <[email protected]>
To: [email protected]
Sent: Monday, 27 February 2017, 1:44
Subject: RE: PSU failure on 8100
They're all different, but shouldn't be too difficult. May be able to see what
is going on without totally tearing it apart. Wesley
From: [email protected] [mailto:[email protected]] On
Behalf Of Alexander
Sent: Sunday, February 26, 2017 8:28 PM
To: [email protected]
Subject: Re: PSU failure on 8100
Thanks, that's an option as well, although I don't have too much experience
with opening PSUs
I will completely remove it and open it, I'll share a pic here If you guys want.
On Mon, Feb 27, 2017 at 3:26 AM, Wesley Furr <[email protected]> wrote:
Don't know much about that series of Mac...but in looking online, doesn't
look like it is a stock standard type (AT/ATX/etc) power supply. May be able
to re-wire an ATX power supply, though the power-on part might be a challenge.
Probably worth pulling the cover off and having a look inside - could just be a
blown capacitor or something easily replaced. Wesley
From: [email protected] [mailto:vintage-macs@ googlegroups.com]
On Behalf Of Alex Ander
Sent: Sunday, February 26, 2017 7:55 PM
To: Vintage Macs
Subject: PSU failure on 8100
So I just plugged in a 8100 that is 20 years old. POP goes the PSU. A few
bang noises very very little smoke.
I guess repairing these isn't worth it.
If I want to get a replacement from a PC, what would I be looking for?
The PSU in the machine is a Delta Electronics DPS-225AB
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