Roland JX3P, dead keys

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Re: Roland JX3P, dead keys

Postby Dr. Phibes » Sun Sep 02, 2012 2:27 am

Still no joy after replacing IC26 and the adjacent long op-amp chip thingies that feed the channel VCAs. I realise that there may be 3 completely separate problems affecting the 3 voices, but considering that each have fallen foul of the very same malfunction I'm hoping that the problem can be traced to a single source.

I looking at the the other three 4051 multiplexers that send out various CVs, but I'm not sure. :?:
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