Vintage Synth Repair

I need a service manual for the above unit. Does anyone have one they can either sell me or scan the main CPU board. I have a cipher which I believe is coming from the keyboard scan ic, which is a surface mount, and no longer available from Roland.

Keith A Niver

Hi everyone,

I have a problem with an Old Roland EP-10, Yep, the first Electric Piano Roland ever put out. Anyway, 2 keys are not sounding right. They produce the correct tone but, they are muted sounding, where all the other keys will ring until you let go. Its too bad because they are in the middle of the keyboard. So, If anyone has a suggestion, fire away. Things I have tried, checking the plugs and wires, using a contact cleaner near the affected area, and begging. Any help will be appreciated. Thanks!

Brian~

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