Quote:
Originally Posted by SiriusHardware
A lot of progress has been made since I last swung by - a nice bit of luck for it to be socketed parts which have failed, and ones which are not too difficult to get replacements for.
Why it would be those parts which would fail when the +5V went down is anyone's guess. Ours not to reason why, I suppose.
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Anecdotal evidence suggests the 6520 was not a particularly reliable chip in the first place. It may just have self-destructed with the passage of time, not an uncommon event with MOS/CSG chips...