I've often seen references to the failure of the Commodore black
power bricks, and fortunately haven't had that experience. Were the
tan ones more or less satisfactory ? Were the tan ones referred to as
the "superbrick" ? What about the 2(4?) pin Vic20 ones ?
Thanks, Lawrence
On 10 Dec 2002, , JP Hindin wrote:
>
>
> On Wed, 11 Dec 2002, Tony Duell wrote:
> > > > Chip swapping can only be of use if you _know_ all the chips
> > > > you're swapping in are good..
> > > Sure, but chances are it will work.
> >
> > I've not repaired many C64s, but I was under the impression that the
> > 82S100 PLA was a common failure. If that's failed in both the 'to be
> > repaired' machine and the 'parts' machine, you're not going to get
> > anywhere.
>
> The PLA is the most common chip to fail on a Commodore 64.
> The most common thing to fail in the whole C64 setup is the black power
> bricks, which are generally considered a piece of garbage.
>
> I'm currently in the process of repairing a SX-64 from a donor C64, and
> have managed to get the machine "working" - but there's a break in the
> Luma/Chroma lines to the CRT pack. However the first issue WAS a bad
> PLA.
>
> Resources I used, aside from a couple C= geeks I know:
> ftp://ftp.funet.fi/pub/cbm
> In particular, in my case:
> ftp://ftp.funet.fi/pub/cbm/documents/repair/troubleshooting-c64.txt
>
> funet.fi has schematics, software, ROM dumps, everything.
>
> JP
>
lgwalker_at_mts.net
bigwalk_ca_at_yahoo.com
Received on Tue Dec 10 2002 - 23:47:00 GMT