Converting my C64 to modern DC-DC Converters

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Jan Beta

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Published on April 28, 2018 7:55:50 AM ● Video Link: https://www.youtube.com/watch?v=I8OPUC47CIQ

Duration: 23:00

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Make sure to check out the follow up to this video before trying this mod. You can watch it here: https://youtu.be/zhG0n5aUmC4

As a final (?) step to hopefully future proof my daily use Commodore 64, I replace the old 78XX linear voltage regulators with modern switching DC-DC converters. I'm testing the results with my old oscilloscope and with a game of Giana Sisters.

The converters I used are made by RECOM. I used the R-78B5.0-1.5 (which is rated for 1.5A, the 1A version will do fine, too!) and the R-7812-0.5. Available from many electronics sellers worldwide.

The 1541 Ultimate II+ is available from https://ultimate64.com

Maddi's (MsMadLemon) channel is here: https://www.youtube.com/channel/UCSlMemxuBOFu6Rz_Al02nHQ

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