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MK5017AA - i NEED ONE
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NSOMMER
Apr 26, 2014, 12:18:03 AM4/26/14
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PART 443-601 FOR DIGITAL CLOCK
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c4urs11
Apr 26, 2014, 8:22:40 AM4/26/14
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On Sat, 26 Apr 2014 04:18:03 +0000, NSOMMER wrote:
> PART 443-601 FOR DIGITAL CLOCK
Seems to be an unobtainium.
> PART 443-601 FOR DIGITAL CLOCK
Checked this Yahoo group message:
https://groups.yahoo.com/neo/groups/HeathkitClocks/conversations/topics/883
> All
> I have designed and tested a crossover board for the larger Mostek MK5017AN
> chip so it can be used in the GC-1005 and GC-1092 clocks. Since its nearly
> impossible to obtain the orriginal Mostek MK5017AA used in the heathkit clocks
> I developed a crossover board to work with the readly available Mostek
> MK5017AN chip which is 4 pins larger than the one used by Heathkit. For a copy
> of the plans I have posted the PDF file here.
> http://www.weatherscience.net/manuals/mk5017_crossover.pdf
> I hope this helps those in need of a retrofit. If you are looking for a sourse
> for the larger MK5017AN chip please let me know.
> Thanks
> Steven
Maybe this helps?
Cheers!
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