I'll tear it open this weekend and give it a look. I did swap to a full '040 
back in the late 90's and have loved this machine since then. This begs the 
question.. What is your Hangup with the performa 63x series? They are a hell of 
a lot better in my opinion than the 62xx/63xx series that replaced them, in my 
opinion at least.

Sent from my iPhone

> On Sep 12, 2014, at 5:28 PM, Veneficus <venefi...@bredband.net> wrote:
> 
>> On 2014-09-12 12:54 , Robert Hesson wrote:
>> 
>> I went to use my trusty old friend last night and when I pressed the
>> power key on the keyboard I got nothing. I pushed the power button on
>> the back of the mac and I get a 1/4 second flash from the status
>> light. It looks to me the power supply has tanked. Anyone ever
>> successfully rebuild one? I didn't see any on eBay....
> 
> Usually it is one particular resistor, I think R44 if I recall
> correctly, typically of green colour and easy to spot, that burns out in
> the 63x power supplies. I've seen lots of those, and they always go in
> the same way, although there are some variants of the power supply that
> are not affected (different layout).
> 
> Usually the board is already badly charred around that spot when the
> power supply gives in, and I've never found it worthwhile to repair one
> since I've had spares (and I never liked the 63x that much anyway). But
> I assume that it should not be very complicated to do a bit of re-wiring
> around that spot. Give it a try.
> 
> 
> Cheers,
> 
> Mikael
> 
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