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15. Januar 2020Repair Roland CR-78 Vintage Drum Machine CompuRhythm Reparatur Service

Repair Roland CR-78 Vintage Drum Machine CompuRhythm Reparatur
This Roland CR-78 CompuRhythm Vintage Drum Machine came in with just one pattern playing and some strange behavior when pushing fill in etc. Belive it or not but someone (previous tech?) did not carefully solder it`s repair or modifiction and left over some tin which then fell in between two legs of an IC which created a short between two legs and a resistor. Well, taake a closer look yourself…
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!