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Juno 6 Repairs

Posted: Thu Feb 02, 2017 9:37 pm
by em12341
Hello everyone, I recently acquired the beautiful Juno 6 for a very reasonable price (300$). However, it does have a few issues:
- Dead keys (about every 6)
- Transpose Key doesn't work
- Square Wave LED turns on sometimes (when not pressed)
- Sticky Sliders

So far these are the only issues I've encountered. Do you guys have any ideas about repairs? Anything I could do easily on my own. I'd say my soldering/DIY experience is about a 6/10.

Thanks.

Re: Juno 6 Repairs

Posted: Thu Feb 02, 2017 9:44 pm
by em12341
Also forgot to mention the Arpeggio seems to skip a step (usually every 4th step)

Re: Juno 6 Repairs

Posted: Sun May 21, 2017 6:06 pm
by ApolloBoy
Sounds like most of those problems could be solved with a simple cleaning. The transpose button will most likely need to be replaced, and as for the square wave selector, it might be need to be replaced as well or it could be a faulty connection to the motherboard. Here's the service manual BTW: http://www.florian-anwander.de/roland_j ... ervice.pdf

Re: Juno 6 Repairs

Posted: Sun May 21, 2017 7:37 pm
by madtheory
Dead key is most likely a failed voice chip. Have you de-soldered ICs before?