C64 Fuse?

Roy J. Tellason rtellason at verizon.net
Thu Sep 14 16:04:35 CDT 2006


On Thursday 14 September 2006 04:09 pm, Zane H. Healy wrote:
> > On Thursday 14 September 2006 03:09 am, Zane H. Healy wrote:
> > > How many Amps should the fuse in the C64 be rated for?  The fuse I
> > > pulled is a 1.5A 250V fuse, yet "Troubleshooting & Repairing your
> > > Commodore 64" says to use a 1A 250V fuse.  A quick bit of googling
> > > seems to indicate that it should be 1.5A.
> >
> > I don't think it really makes all that much difference.  In working on
> > maybe some thousands of those things I can't recall if we ever did see a
> > blown fuse in there.  Assuming you're talking about the one in the 64, 
> > and not the one in the PS,  which is another matter.  If you have them
> > handy already I'd use the 1.5A.  The only time it's going to blow is if
> > there's a short somewhere, and most of the failures I've seen in those
> > machines are other things.
>
> It's the one on the motherboard (original style 64).  It's already blown
> and I'm planning on trying to find a replacement later on today.  I'm
> thinking the local auto-parts store might actually be a good choice, as
> IIRC, that's the same style fuse that my pickup uses (yeah, it's an old
> pickup).

Older than my '78 Dodge?  :-)  Those are likely to be 32V automotive fuses,  
and not the 250V variety,  though I doubt that'll make much difference.

> Still not totally sure if it should be a 1A or 1.5A, as there seem to be
> lots of conflicting answers on that.  I guess I'll try to pick up a 1.5A.

Let me know offlist if you run into trouble,  I'm sure that I have some of 
those around.  I can also probably get into the service manuals,  which I 
have around here someplace,  and tell you for sure what it's supposed to be 
and what might be the problem if it blows again.

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James 
M Dakin




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