> Would the replacement of the port be the answer, is there an electronic
> issue from some controller on the board possible? The Cube boards aren't too
> costly but the PM G5 Dual 2.7 isn't that easy to find, so that's the one I
> want to repair.
>
> John Carmonne
> Yorba Linda USA
> Sent from my MBP
>
>
Depends on what has blown.
The ones I repaired were only at the port end.
On the firewire port someone had tried to force a firewire plug in the wrong
way and it had simply shorted across as well as butchered the female plug
itself. I got a replacement off another G4 logicboard that had died and
desoldered it then just replaced it on the good board. A few strategic lines of
solder to connect it and it was good to go.
One good reason to have a parts bin.
If something electric or electronic dies on me like a computer, camera, video
recorder etc etc, I strip it for parts - small headers, plugs, ports, cables,
adapters, fans, PSUs etc and I am always amazed at what I can re-use to fix
another working machine.
The USB was a similar job but for other reasons.
In both cases we were lucky that the logicboard controller wasn't affected just
the so-called dumb end.
It was just a fiddly job rather than difficult.
If I had of stuffed up or there was something more serious wrong with these
boards then probably $30 for a secondhand replacement would have been all it
would have cost anyway so no great drama.
In your case you may not have a choice.
Practice first on some other cheap board first to get your soldering up to par
and make sure you buy a good soldering kit.
A friend of mine had a similar problem on a G4 iMac 1.25GHz and a new
logicboard was going to cost him about $150 + $50 postage from the US to here
in Oz but he did a replacement FW solder like mine and so saved himself a
bundle.
Stewie
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