Still Not Working

Dedicated to electronic music gear with its lid removed, including some DIY attempts

Under constructions and updated frequently
PG-800 Clone

PG-800 programmer clone

An attempt to clone the sought-after PG-800 programmer for Roland Super JX-10, MKS-70 and JX-8P using Arduino developer platform.

Last update June 11 2016 21:34:35.

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Korg Polysix

How to tune Korg Polysix

An addendum to the official service manual. Tip to use alternative notes and frequency chart.

Last update April 21 2016 14:17:03.

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Simmons SDS 7

Simmons SDS 7

Understand the inside of your SDS 7 drum brain, for repair, mods or your curiosity.

Last update January 29 2017 19:47:16.

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EPROM for SDS 7

EPROM sample selector

Use bigger EPROM and split memory by addressing pins manually.

Last update February 20 2017 14:27:29.

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EMU Proteus Series

They are not all alike

Proteus 2000 series different main boards and DACs.
How to identify EMU ROMs.

Last update March 20 2017 15:20:10.

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Please select from top menu

For now most of the menu item direct to image folders. Hopefully some of them can evolve to short articles.