Re: VIC-II Sync & Luma signal

From: Gerrit Heitsch <>
Date: Mon, 04 Feb 2013 16:46:30 +0100
Message-ID: <>
On 02/03/2013 10:58 PM, Rob Clarke wrote:

> Well, after replacing the modulator, the machine runs again but after a
> few minutes the characters started breaking up. I suspected the 74ls258,
> which was in fact a MOS 7709, which I hadn't spotted before. Spookily,
> it corrects itself if I bring my finger within a cm or so of the chip.
> Take my finger away, characters break up again. Replaced it and voila -
> 100%!

Ok, I never had that kind of failure before. You should have left it in 
place and show others how you can fix a Computer by just getting near it. ;)


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Received on 2013-02-04 16:00:53

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