Re: Is it at all possible?

From: Francesco Messineo <>
Date: Fri, 17 Feb 2017 17:50:51 +0100
Message-ID: <>
On Fri, Feb 17, 2017 at 5:45 PM, Gerrit Heitsch
<> wrote:
> On 02/17/2017 05:12 PM, Francesco Messineo wrote:
>> On Fri, Feb 17, 2017 at 4:52 PM, Bo Herrmannsen
>> <> wrote:
>>> are there anyone on the list that has a 326298 board at hand?
>> where did you find this number? There're a couple of different codes
>> on any C64 motherboard.
>> I believe I have almost all PCB revision of the C64 (there're millions
>> of them still around) and I'm for sure missing KU-14194HB revision
>> (the very first C64 PCB) and 250469-Rev.B (which should be the very
>> last C64 PCB), but I believe I have the other ones matching all the
>> schematics I've found on
> As far as I know, the 326298 is older than the KU-14194HB.

yes, but should be practically identical, not that I witnessed them in
real life, but I've never found any documented schematic change
between them.

> Speaking of which... If anyone here has a KU-14194HB, check the state of
> C107 and C108. If they are small and black, change them, they WILL leak and
> C107 will destroy the trace that supplies power to pin 15 pin of the
> 74LS629. Without power there, the VCO will not run => no clock signals.

I whish I had one, but I think I said that already.


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Received on 2017-02-17 17:02:30

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