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From: Jolly Roger <jollyroger@pobox.com>
Newsgroups: comp.sys.mac.system
Subject: Re: PowerMac won't turn on after sitting in a cold bedroom
Date: 22 Mar 2014 01:18:30 GMT
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On 2014-03-21, Barry OGrady <atheist@hotmail.com.au> wrote:
> On 10 Mar 2014 15:30:20 GMT, Jolly Roger <jollyroger@pobox.com> wrote:
>
>>On 2014-03-10, Your Name <YourName@YourISP.com> wrote:
>>> In article <super70s-0DC9E7.20582009032014@bonxibon.datemas.de>,
>>> super70s <super70s@super70s.invalid> wrote:
>>>> In article <bo4gemF8100U5@mid.individual.net>,
>>>>  Jolly Roger <jollyroger@pobox.com> wrote:
>>>> > On 2014-03-09, super70s <super70s@super70s.invalid> wrote:
>>>> > >
>>>> > > I just watched the video, good lord. I think I'd be better off buying 
>>>> > > another used M8573LL. I only paid $100 each for both of the ones I own.
>>>> > 
>>>> > eBay is great for that. You may even find the power supply itself for
>>>> > sale there.
>>>> 
>>>> Yeah I notice people are even trying to sell G4 power supplies that 
>>>> don't work, can you believe that.
>>>
>>> Some people do open up and repair broken power supplies, but I wouldn't
>>> recommend it.
>>
>>I've done it. I've successfully replaced bad caps in several iMacs, one
>>including a caps that exploded inside of the power supply. I've also
>>sent iMac motherboards to http://www.badcaps.net to be refurbished, with
>>great results.
>
> I have an early Intel Imac that works sometimes then shuts off
> suddenly. Is that likely to be the power supply?

That's the primary symptom, yep. I've repaired a couple iMacs with
busted capacitors inside of the power supplies (as well as busted caps
on the motherboards). Those iMacs are both still chugging along today
(knock on wood).


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JR