Re: Converting a Commodore 64 from NTSC to PAL

From: Rob Clarke <*crock_at_clarke-family.org.uk*> Date: Fri, 13 Apr 2012 15:30:18 +0200 Message-ID: <4ad1223c4f090eb178fd4c92f3690ff3.squirrel@www.clarke-family.org.uk> · crock_at_clarke-family.org.uk

>>
>
> Then disconnect the TOD signal from the 9V input and rig up a 555 as an
> oscillator that will give you 50Hz. Not very accurate, but it should do
> for almost all software.
>
Gerrit, I think it was you that pointed me at this accurate 1 chip
solution to a 50hz signal back in Feb when I was looking to create a 50hz
source when I needed to replace my C720 power supply. I didn't need one in
the end as I was able to repair the original.

http://elmelectronics.com/ebench.html#ELM440

Rob

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