Wednesday, December 13, 2017

Roland PB-300 Schematic

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Here are some scans from the Roland PB-300 service manual. It was released in '83 as a companion to their HP-400 digital piano. It ...
11 comments:
Saturday, September 16, 2017

Korg Nanokontrol Schematic + New Firmware

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Ages ago I drew a schematic for Korg's original Nanokontrol. I finally decided to dust it off and do something with it. From the outsi...
Wednesday, September 13, 2017

Novation Bass Station Schematic

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It seems that no one has a schematic of the original Bass Station, so I drew one up. This is from the keyboard version with board markings ...
68 comments:
Thursday, December 22, 2016

TR-606 Sync and Run/Stop Repair

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So, I got a 606 with sync and start/stop issues. It would always be in play mode, but the "RUN" LED wouldn't turn on. Neither ...
1 comment:
Sunday, September 11, 2016

Pearl DRUM-X Schematic

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Pearl's DRUM-X is a somewhat overlooked, five voice, analog drum synthesizer. It's intended to be connected to drum pads, similar to...
31 comments:
Monday, July 4, 2016

Resurrecting "C Programming for MIDI"

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I've been playing with a DOS computer that I recently added to my studio. It's pretty limited, but it still speaks MIDI. Finding o...
2 comments:
Saturday, June 18, 2016

CZ 1000 Noise Fix (DAC Adjustment)

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So I picked up an as-is CZ 1000. It started off terribly distorted, but after jumping a few corroded traces it started to sound more normal....
9 comments: