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Also, pulled from Gearslutz. Sounds odd, but if you’re at the end of “stuff to try” it might be worth the effort.
Larry Church, an ex-OB tech, told me to reset the RAM before doing anything, because most problems on the OBs can be fixed by resetting the RAM. This is super easy to do, and could save you a lot of time.
Gently remove your RAM chips from the main board, and push the pins through a few layers of tin foil. This causes them to short out, and completely discharge any corrupted data. The problem with the OBs is that the onboard computers were a little too complex for their own good, and corrupted data gets stored in the RAM quite easily.
This will erase all presets, of course.
He also told me that he's brought back to life dead voice chips by doing this.
From:
oberheim@yahoogroups.com [mailto: oberheim@yahoogroups.com ]
Sent:
Monday, August 24, 2015 10:23 PM
To:
oberheim@yahoogroups.com
Subject:
[oberheim] Re: Autotune on OBXa suddenly shutting down all voices
So I finally figured out the problem with this machine. I was on the phone with Bruce Forat about my Linn 9000 and he suggested disabling the midi kit and taking the machine back to stock. I did so an autotune works fine now.
Unfortunately my memory seems to not be working anymore on the OBXa though. I can only use manual mode. Anything I save to memory doesn't work. Even loading the presets via tape backup leaves memory not working correctly. It seems like some things change with the changing of patches i.e. Saw to Pulse etc. but the sound that comes out is just a slow attack rumble/whine of dischord.
So any ideas there And I'd REALLY love to keep this MIDI kit in. I emailed Tony at Encore MIDI but as per usual I get no response. So any ideas there are welcome too.
Sincerely,
Rich Clarke