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21. Februar 2018
Korg KPR-77 analog drum machine. Condition not working, it made scrambled pattern. Scrambled pattern is a sign of no batteries and you have to reload or re-program the pattern. But this unit also was recaped since some were out of spec. Also replaced the buttons which weren't working very well. Silders and potentiometers were cleaned.
There are lethal voltage exposed in electronic devices. Unless you know what you are doing, don’t try this. If you following along, you doing so at your own risk.
I’m documenting repairs for my reference and yours.
I do synth restorations and repair with a specialty in vintage synthesizers, drum computer and other vintage gear, based in Düsseldorf, GER. Get in touch about your synth situation!
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