Thanks Dieter. I already replaced the socket. --- In Doepfer_a100@yahoogroups.com, <yahoo@...> wrote: > > The internal oscillator is fed via the switching contact of the Ext.CLK > socket. If the switching contact of this socket is worn out is does no > longer make contact. Maybe this is the reason. Try an external oscillator > connected to the Ext.CLK socket to find this out. > > Best wishes > Dieter Doepfer > > > > -----Ursprüngliche Nachricht----- > > Von: Doepfer_a100@yahoogroups.com > > [mailto:Doepfer_a100@yahoogroups.com]Im Auftrag von Tommy DOG > > Gesendet: Sonntag, 8. März 2009 13:34 > > An: Doepfer_a100@yahoogroups.com > > Betreff: [Doepfer_a100] Doepfer A-117 trouble > > > > > > Symptoms: DNG RND CLC outputs a thin oscillator sound without the > > digital noise present. other outputs are fine. > > > > It sounds to me as if there is an oscillator that drives the > > digital sound source and only the driver is functioning. > > > > In this picture: > > http://3.bp.blogspot.com/_d9uh_FFQZoQ/SW_321zu3zI/AAAAAAAAAFM/vAu- > > C9ki aw4/s1600-h/a117m.jpg > > > > If I make this simple connection the unit sounds good when > > something is patched into the ext. Clk input AND can be tuned. > > > > I spotted following chips: > > cd40106b > > cd4006 > > cd4070 > > > > Please let me know what the others 2 are and if these are correct. > > > > > > Thank you. > > > > +++++++++++++++++++++++++ > > > > I thought I posted this yesterday but it didn't appear in the > > archive. My apologizes if anyone receives this twice. > > > > > > > > ------------------------------------ > > > > Yahoo! Groups Links > > > > > > >
Message
Re: Doepfer A-117 trouble
2009-03-09 by Tommy DOG
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