Re: G4 (quicksilver?) PSU dying

["David H. Gutteridge" <david%gutteridge.ca@localhost>]

On Fri, 11 Dec 2020 at 16:27:00 +0100, Martin Husemann wrote:
> On Fri, Dec 11, 2020 at 02:00:47PM -0800, Jason Thorpe wrote:
> > 
> > > On Dec 11, 2020, at 7:27 AM, Martin Husemann <  
> martin%duskware.de@localhost> wrote:
> > > 
> > > it seems the power supply in my dual G4 mac is dying
> > 
> > Have you characterized the failure mode?  Might be worth attempting
> to repair it.
> 
> I have not disassembled it yet. The only easily measurable data points
> are
> from a spare hard disk connector: +12V is fine, +5V is low (4.6 -
> 4.8V) but
> relatively stable even in the second it shuts down. When it shut down
> it often
> will not power up again in the next few minutes.
> 
> I'll disassemble it and check for obviously leaked elcos and similar.

I have a slightly newer variant of that dual G4, and I've started seeing
what could be related behaviour. Once powered down, it will not power up
again without my pulling and replacing the cable from the machine's
power receptacle. It also makes an audible ticking sound when plugged
in. I haven't looked any further into this.

Regards,

Dave