Crumar Musical Instruments User Group. group photo

Yahoo Groups archive

Crumar Musical Instruments User Group.

Index last updated: 2026-04-28 23:17 UTC

Message

Re: DS-2

2009-03-10 by Robert Weigel

--- In crumar@yahoogroups.com, "Joshua" <peachhead25@...> wrote:
>
> --- In crumar@yahoogroups.com, toysrubba@ wrote:
> >
> > I just got a Crumar DS-2 for $100 worth of work.  (long story)
> > Does anyone have any experience with this device?
> > I had to get one of the oscillators fixed.  It is now 100% 
> > Anyone have an owner's manual, or know where to find one?
> > Thank a lot.
> > 
> > RMS
> >
> 
> what had to be repaired to get the oscillator to work?? im currently trying to get mine goin again. OSC2 and the VCF and VCA just died for no reason on mine!!!
>
Check to make sure the LS multivibrator is outputting a clock signal whose frequency should be modulatable by moving the pitch lever.  If so then see the the 4727 chips I think they are or whatever... have divided down signals on many legs.  -Bob

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.