[sdiy] TOG-top octave generator replacement for MG-1
Doug Terrebonne
dougt55 at yahoo.com
Wed Jun 7 21:29:12 CEST 2017
This guy sells clones - http://www.flatkeys.co.uk/RFHome.html
Doug
synthparts.com
--------------------------------------------
On Wed, 6/7/17, KA4HJH <ka4hjh at gmail.com> wrote:
Subject: [sdiy] TOG-top octave generator replacement for MG-1
To: "SDIY" <synth-diy at synth-diy.org>
Date: Wednesday, June 7, 2017, 11:36 AM
I'm still preparing to refurbish a Radio
Shack Concertmate MG-1. The TOG chip is blown. Is there a
modern replacement for the original chip, like a PIC or
something? I had to jury rig the keyboard contacts to 5V to
get the envelope to trigger and I'd like to put it back into
original condition while I'm working on it.
I know this has been discussed before
but a search of my email archives turned up almost nothing.
Terry Bowman, KA4HJH
"The Mac Doctor"
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