Электроника МС 0511 (Elektronika MS 0511): Part 2

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Australia The Clueless Engineer
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Published on ● Video Link: https://www.youtube.com/watch?v=iMlL8sv7Wfk


Duration: 24:04
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Some minor progress on converting the machine for use in Australia ... if it works.

It looks like the 42VAC power supply generates +/-12VDC and +5VDC ... not +/-5VDC as I earlier assumed ... not sure what the two 12V levels are for ... first time with anything PDP-related. Maybe for serial or the network interface?

The DRAM is the standard Soviet КР565РУ5 (KR565RU5) 64kbit chips it seems, which require +5V only.

Anyway, I'm thinking that I'll just install a Mean Well RPT-60B power supply internally. That'll take a few weeks from Mouser.

I've also started making the video output cable ... it uses a 2x5pin IDC header that includes composite video, sound, and RGBS signals ... some something for everyone.

Finally, I'm going to try to make the SD card interface board ... might take a while. The machine does have a cassette input so if there's any tape software archived I can try to load that in the meantime.

УКНЦ



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Tags:
UKNC
MS0511
МС0511
УКНЦ