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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
SoundlabMiniSynth VCO makes problems
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Boerge



Joined: Sep 02, 2009
Posts: 80
Location: Germany
PostPosted: Mon May 02, 2016 12:31 am    Post subject: SoundlabMiniSynth VCO makes problems Reply with quote  Mark this post and the followings unread
Hi @ all,

I built a SoundlabMiniSynth years ago on stripboard and it worked fine from start. Last year I ordered a PCB and built it new. Now both VCOs oscillate at ~50kHZ and have no reaction at all on coarse pot or CV. The components are completly new, I checked that all components are on the right place. It seems that the expo-convertors have no effect. Has anybody any idea what/how I could check/measure or whatever?

regards
Boerge
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