d2mrp0 wrote:I have had mine since 1983. It worked well until 10 years ago - it started acting weird, some of the the knobs stopped working. I took it completely apart, cleaned all switches and pots and it worked perfectly for another 10 years. I let it sit for a year and turned it on...and oh dear - it is a very sick synthMost knobs do not work, the keyboard works fine but only the synth filter section works - non of the amp and filter envelope knobs work, the volume knob doesn't work, or tune knob, glide doesn't work....it's probably easier to say what does work. The filter cutoff works!
So I stripped it down tonight - COMPLETELY and cleaned all pots and switches - no luck. I removed every single chip - cleaned the connectors and reseated them - nothing. Something is major league screwed up. If it's ONE bad pot how on earth would I find that? Put an ohm meter on every one I guess and turn the knob. Could it be the CPU? I will probably ship it off to wine country and see if they can fix it. It was well worth the thousand pounds I paid for it - 34 years of fun - give or take a year!
Compare this to my 1980 Korg MS20, 1981 Roland Juno 106, 1983 Roland SH101 - these are all ancient too and have never had any issues, whatsoever.
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