Электроника МС 0511 (Elektronika MS 0511): Quick Update 20-Dec-2022

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Australia The Clueless Engineer
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A quick update before I continue work on the machine. Please remember to always read the video description for my videos - lots of info!

[1] Got a Mean Well RPT-60B power supply to replace the original 42VAC PSU.

[2] Got new SN75452 to replace the suspect faulty Soviet K155ЛА18 part on the network interface board - unfortunately I ordered SOIC instead of DIP (duh!) ... but! ... I got some SOIC-to-DIP converter boards some time ago, for some reason ... so no problems!

[3] PCBs for the SD interface card arrived - the controller chip only costs about AU$10, which is nice for a change. I'll only make one up if I can get this one working.

https://github.com/y-salnikov/uknc_sd_fdd
http://y-salnikov.github.io/uknc_sd_fdd/

[4] I do have a second known-working machine on its way from Ukraine.



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Tags:
UKNC
MS0511
МС0511
УКНЦ