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Tony Duell ard at p850ug1.demon.co.uk
Sat Aug 5 18:49:40 CDT 2006


> 
> On Saturday 05 August 2006 02:34 am, Segin wrote:
> > Well, I've owned a Mac Plus 1MB and a Mac SE/30 before, but they got
> > dumpstered after stuff started falling apart. Literally. I opened up the
> > Plus only to find that the CPU has literally *disintegrated*. A lot of
> > the capacitors and resistors were lying on the mobo cause their sodder
> > has worn away...
> 
> I've been a tech for coming up on four decades now,  most of that time having 
> my hands inside of the hardware of one sort or another,  and the earlier 
> stuff had vacuum tubes in it,  on up to current technology.
> 
> And I've *never* seen anything like what you describe here,  or heard of such 
> a thing either.

FWIW, nor have I (and I've been working on equipment of similar age too). 
I am told the modern lead-free solders can have reliability problems, 
certainly if misused, but AFAIK all older Macs were assembled with normal 
lead/tin solder.

I;'ve got a couple of Mac+ machines. One has a low-emission CRT, the 
other hand the well-known problem on the yoke connector. Neither has had 
any problems with the digital side.

-tony


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