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Re: [Doepfer_a100] A111 troubles

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  • achtung_999
    Thanks that sort of answers the question. Although I still face the massive task of tuning the oscillators.. ;-( Do any of you here have some good tips on how
    Message 1 of 11 , Oct 31, 2005
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      Thanks that sort of answers the question.
      Although I still face the massive task of tuning the oscillators.. ;-(
      Do any of you here have some good tips on how to do that?
      Both my effort were a bit frustrating.
      The description op the Doepfer site is a wee bit minimal to my taste.
      What I'm looking for is where to start and what to watch.

      Thanks..

      Ernst


      On 10/30/05, Zoran Bosnjak <dj_allin@...> wrote:
      > Is this the answer? Please look below to see Mr. Doepfer's response to me
      > some time ago. Regards,
      >
      > Zoran
      >
      >
      > >-----Ursprüngliche Nachricht-----
      > >Von: Zoran Bosnjak [mailto:zoranbosnjak@...]
      > >Gesendet: Dienstag, 7. September 2004 21:59
      > >An: hardware@...
      > >Cc: musicr@...
      > >Betreff: A-111 Oscillator Problem
      > >
      > >
      > >Hello Mr. Doepfer,
      > >
      > >I have two A-111 oscillators. One of them has a problem with PW knob. And
      > >here it is: from 0 to 5, PW knob behaves as expected - it changes pulse
      > >width. But from 5.1 to 10, it changes a pitch of any waveform, not only
      > >square!
      > >
      > >The other oscillator is perfectly fine, and I am using it to
      > >compare it with
      > >faulty one.
      > >
      > >I am exploring this problem in very musical way - my faulty oscillator is
      > >capable of producing more wierd sounds than healthy one.
      > >
      > >So I really don't know what to do at this point. Please advise,
      > >
      > >Zoran Bosnjak
      >
      > Our A-111 specialist Matthias Marass is on holidays until end of next week.
      > As far as I remember the problems you described are caused by the very
      > sensitive hard sync input. Normally the hard sync input is connected to GND
      > with the switching contact of the hard sync input if no plug is inserted.
      > Maybe the switching contact does not work any longer and causes the
      > problems. To find this out please try to put a signal into the hard sync
      > input. If the problems disappear this is the reason and the socket has to be
      > replaced (maybe the A-111 is still eqipped with the old version of the
      > sockets used until about 2001).
      > If you are able to replace the socket yourself we could send you a socket
      > for free if you have purchased the A-111 from us directly. Otherwise please
      > contact the representative where you purchased the module for a free socket.
      > From your message I cannot see your home country.
      >
      > Otherwise the module has to be repaired in the factory.
      >
      > Best regards
      > Dieter Doepfer
      > Doepfer Musikelektronik GmbH
      > Email address: hardware@...
      > Web Site: www.doepfer.com
      >
      >
      >
      > >From: Bakis Sirros <synth_freak_2000@...>
      > >Reply-To: Doepfer_a100@yahoogroups.com
      > >To: Doepfer_a100@yahoogroups.com
      > >Subject: Re: [Doepfer_a100] A111 troubles
      > >Date: Sat, 29 Oct 2005 11:37:59 -0700 (PDT)
      > >
      > >hello ernst,
      > >i think the solution to this is replace the hard sync
      > >socket? (or spare a patchcable and leave it
      > >connected...)
      > >i do not know, exactly. just wait for dieter's reply.
      > >i am sure he will explain why this happens.
      > >what about the sawtooth wave?
      > >bakis.
      > >
      > >
      > >
      > >
      > >--- achtung_999 <heinrich.himmelwasser@...>
      > >wrote:
      > >
      > > > Hey Bakis,
      > > >
      > > > If I keep a patchcord inserted in the hardsync it
      > > > indeed behaves normal.
      > > > But as soon as I unplug it the "PW feature" is
      > > > back...
      > > > Hmm...
      > > > Was I right about the sawtooth wave?
      > > >
      > > > Greetings,
      > > >
      > > > Ernst
      > > >
      > >
      > >
      > >Bakis Sirros
      > >Parallel Worlds
      > >Athens-Greece
      > >[Doepfer_a100] group owner
      > >http://www.shimarecords.co.uk
      > >http://www.rubber.gr
      > >
      > >
      > >
      > >__________________________________
      > >Start your day with Yahoo! - Make it your home page!
      > >http://www.yahoo.com/r/hs
      >
      >
      >
      >
      >
      >
      > Yahoo! Groups Links
      >
      >
      >
      >
      >
      >
      >
      >
    • selfoscillate
      hello ernst, i m not sure that this is what you want to know, but i tune my vco s using a multi-effects unit with a built-in tuner (sony hr-mp5). best wishes
      Message 2 of 11 , Nov 1, 2005
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        hello ernst,

        i'm not sure that this is what you want to know,
        but i tune my vco's using a multi-effects unit with
        a built-in tuner (sony hr-mp5).

        best wishes

        ingo


        --- In Doepfer_a100@yahoogroups.com, achtung_999
        <heinrich.himmelwasser@g...> wrote:
        >
        > Thanks that sort of answers the question.
        > Although I still face the massive task of tuning the
        oscillators.. ;-(
        > Do any of you here have some good tips on how to do that?
        > Both my effort were a bit frustrating.
        > The description op the Doepfer site is a wee bit minimal to my
        taste.
        > What I'm looking for is where to start and what to watch.
        >
        > Thanks..
        >
        > Ernst
        >
        >
        > On 10/30/05, Zoran Bosnjak <dj_allin@h...> wrote:
        > > Is this the answer? Please look below to see Mr. Doepfer's
        response to me
        > > some time ago. Regards,
        > >
        > > Zoran
        > >
        > >
        > > >-----Ursprüngliche Nachricht-----
        > > >Von: Zoran Bosnjak [mailto:zoranbosnjak@h...]
        > > >Gesendet: Dienstag, 7. September 2004 21:59
        > > >An: hardware@d...
        > > >Cc: musicr@g...
        > > >Betreff: A-111 Oscillator Problem
        > > >
        > > >
        > > >Hello Mr. Doepfer,
        > > >
        > > >I have two A-111 oscillators. One of them has a problem with PW
        knob. And
        > > >here it is: from 0 to 5, PW knob behaves as expected - it
        changes pulse
        > > >width. But from 5.1 to 10, it changes a pitch of any waveform,
        not only
        > > >square!
        > > >
        > > >The other oscillator is perfectly fine, and I am using it to
        > > >compare it with
        > > >faulty one.
        > > >
        > > >I am exploring this problem in very musical way - my faulty
        oscillator is
        > > >capable of producing more wierd sounds than healthy one.
        > > >
        > > >So I really don't know what to do at this point. Please advise,
        > > >
        > > >Zoran Bosnjak
        > >
        > > Our A-111 specialist Matthias Marass is on holidays until end of
        next week.
        > > As far as I remember the problems you described are caused by the
        very
        > > sensitive hard sync input. Normally the hard sync input is
        connected to GND
        > > with the switching contact of the hard sync input if no plug is
        inserted.
        > > Maybe the switching contact does not work any longer and causes
        the
        > > problems. To find this out please try to put a signal into the
        hard sync
        > > input. If the problems disappear this is the reason and the
        socket has to be
        > > replaced (maybe the A-111 is still eqipped with the old version
        of the
        > > sockets used until about 2001).
        > > If you are able to replace the socket yourself we could send you
        a socket
        > > for free if you have purchased the A-111 from us directly.
        Otherwise please
        > > contact the representative where you purchased the module for a
        free socket.
        > > From your message I cannot see your home country.
        > >
        > > Otherwise the module has to be repaired in the factory.
        > >
        > > Best regards
        > > Dieter Doepfer
        > > Doepfer Musikelektronik GmbH
        > > Email address: hardware@d...
        > > Web Site: www.doepfer.com
        > >
        > >
        > >
        > > >From: Bakis Sirros <synth_freak_2000@y...>
        > > >Reply-To: Doepfer_a100@yahoogroups.com
        > > >To: Doepfer_a100@yahoogroups.com
        > > >Subject: Re: [Doepfer_a100] A111 troubles
        > > >Date: Sat, 29 Oct 2005 11:37:59 -0700 (PDT)
        > > >
        > > >hello ernst,
        > > >i think the solution to this is replace the hard sync
        > > >socket? (or spare a patchcable and leave it
        > > >connected...)
        > > >i do not know, exactly. just wait for dieter's reply.
        > > >i am sure he will explain why this happens.
        > > >what about the sawtooth wave?
        > > >bakis.
        > > >
        > > >
        > > >
        > > >
        > > >--- achtung_999 <heinrich.himmelwasser@g...>
        > > >wrote:
        > > >
        > > > > Hey Bakis,
        > > > >
        > > > > If I keep a patchcord inserted in the hardsync it
        > > > > indeed behaves normal.
        > > > > But as soon as I unplug it the "PW feature" is
        > > > > back...
        > > > > Hmm...
        > > > > Was I right about the sawtooth wave?
        > > > >
        > > > > Greetings,
        > > > >
        > > > > Ernst
        > > > >
        > > >
        > > >
        > > >Bakis Sirros
        > > >Parallel Worlds
        > > >Athens-Greece
        > > >[Doepfer_a100] group owner
        > > >http://www.shimarecords.co.uk
        > > >http://www.rubber.gr
        > > >
        > > >
        > > >
        > > >__________________________________
        > > >Start your day with Yahoo! - Make it your home page!
        > > >http://www.yahoo.com/r/hs
        > >
        > >
        > >
        > >
        > >
        > >
        > > Yahoo! Groups Links
        > >
        > >
        > >
        > >
        > >
        > >
        > >
        > >
        >
      • achtung_999
        Thanks Ingo.. Although I was more after a method. Where to start.. what to look for. Spread, fine tuning.. etc.. I ve come a long way now. Using my ears a lot.
        Message 3 of 11 , Nov 2, 2005
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          Thanks Ingo..

          Although I was more after a method.
          Where to start.. what to look for.
          Spread, fine tuning.. etc..
          I've come a long way now.
          Using my ears a lot.

          Nevermind. I got the broken a111 tuned now.
          I defiantely know that both a111's are the old type.
          Also: suddenly bakis' magic "patchcord in the Hard Sync input- method"
          does not work anymore...
          Broken socket indeed...
          I will have to order some parts from doepfer then...

          Thanks & greetings,

          Ernst




          On 11/1/05, selfoscillate <synaptic_music@...> wrote:
          >
          > hello ernst,
          >
          > i'm not sure that this is what you want to know,
          > but i tune my vco's using a multi-effects unit with
          > a built-in tuner (sony hr-mp5).
          >
          > best wishes
          >
          > ingo
          >
          >
          > --- In Doepfer_a100@yahoogroups.com, achtung_999
          > <heinrich.himmelwasser@g...> wrote:
          > >
          > > Thanks that sort of answers the question.
          > > Although I still face the massive task of tuning the
          > oscillators.. ;-(
          > > Do any of you here have some good tips on how to do that?
          > > Both my effort were a bit frustrating.
          > > The description op the Doepfer site is a wee bit minimal to my
          > taste.
          > > What I'm looking for is where to start and what to watch.
          > >
          > > Thanks..
          > >
          > > Ernst
          > >
          > >
          > > On 10/30/05, Zoran Bosnjak <dj_allin@h...> wrote:
          > > > Is this the answer? Please look below to see Mr. Doepfer's
          > response to me
          > > > some time ago. Regards,
          > > >
          > > > Zoran
          > > >
          > > >
          > > > >-----Ursprüngliche Nachricht-----
          > > > >Von: Zoran Bosnjak [mailto:zoranbosnjak@h...]
          > > > >Gesendet: Dienstag, 7. September 2004 21:59
          > > > >An: hardware@d...
          > > > >Cc: musicr@g...
          >
          > > > >Betreff: A-111 Oscillator Problem
          > > > >
          > > > >
          > > > >Hello Mr. Doepfer,
          > > > >
          > > > >I have two A-111 oscillators. One of them has a problem with PW
          > knob. And
          > > > >here it is: from 0 to 5, PW knob behaves as expected - it
          > changes pulse
          > > > >width. But from 5.1 to 10, it changes a pitch of any waveform,
          > not only
          > > > >square!
          > > > >
          > > > >The other oscillator is perfectly fine, and I am using it to
          > > > >compare it with
          > > > >faulty one.
          > > > >
          > > > >I am exploring this problem in very musical way - my faulty
          > oscillator is
          > > > >capable of producing more wierd sounds than healthy one.
          > > > >
          > > > >So I really don't know what to do at this point. Please advise,
          > > > >
          > > > >Zoran Bosnjak
          > > >
          > > > Our A-111 specialist Matthias Marass is on holidays until end of
          > next week.
          > > > As far as I remember the problems you described are caused by the
          > very
          > > > sensitive hard sync input. Normally the hard sync input is
          > connected to GND
          > > > with the switching contact of the hard sync input if no plug is
          > inserted.
          > > > Maybe the switching contact does not work any longer and causes
          > the
          > > > problems. To find this out please try to put a signal into the
          > hard sync
          > > > input. If the problems disappear this is the reason and the
          > socket has to be
          > > > replaced (maybe the A-111 is still eqipped with the old version
          > of the
          > > > sockets used until about 2001).
          > > > If you are able to replace the socket yourself we could send you
          > a socket
          > > > for free if you have purchased the A-111 from us directly.
          > Otherwise please
          > > > contact the representative where you purchased the module for a
          > free socket.
          > > > From your message I cannot see your home country.
          > > >
          > > > Otherwise the module has to be repaired in the factory.
          > > >
          > > > Best regards
          > > > Dieter Doepfer
          > > > Doepfer Musikelektronik GmbH
          > > > Email address: hardware@d...
          > > > Web Site: www.doepfer.com
          > > >
          > > >
          > > >
          > > > >From: Bakis Sirros <synth_freak_2000@y...>
          > > > >Reply-To: Doepfer_a100@yahoogroups.com
          > > > >To: Doepfer_a100@yahoogroups.com
          > > > >Subject: Re: [Doepfer_a100] A111 troubles
          > > > >Date: Sat, 29 Oct 2005 11:37:59 -0700 (PDT)
          > > > >
          > > > >hello ernst,
          > > > >i think the solution to this is replace the hard sync
          > > > >socket? (or spare a patchcable and leave it
          > > > >connected...)
          > > > >i do not know, exactly. just wait for dieter's reply.
          > > > >i am sure he will explain why this happens.
          > > > >what about the sawtooth wave?
          > > > >bakis.
          > > > >
          > > > >
          > > > >
          > > > >
          > > > >--- achtung_999 <heinrich.himmelwasser@g...>
          > > > >wrote:
          > > > >
          > > > > > Hey Bakis,
          > > > > >
          > > > > > If I keep a patchcord inserted in the hardsync it
          > > > > > indeed behaves normal.
          > > > > > But as soon as I unplug it the "PW feature" is
          > > > > > back...
          > > > > > Hmm...
          > > > > > Was I right about the sawtooth wave?
          > > > > >
          > > > > > Greetings,
          > > > > >
          > > > > > Ernst
          > > > > >
          > > > >
          > > > >
          > > > >Bakis Sirros
          > > > >Parallel Worlds
          > > > >Athens-Greece
          > > > >[Doepfer_a100] group owner
          > > > >http://www.shimarecords.co.uk
          > > > >http://www.rubber.gr
          > > > >
          > > > >
          > > > >
          > > > >__________________________________
          > > > >Start your day with Yahoo! - Make it your home page!
          > > > >http://www.yahoo.com/r/hs
          > > >
          > > >
          > > >
          > > >
          > > >
          > > >
          > > > Yahoo! Groups Links
          > > >
          > > >
          > > >
          > > >
          > > >
          > > >
          > > >
          > > >
          > >
          >
          >
          >
          >
          >
          >
          >
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        • achtung_999
          Hello, I finally had some time to fix the faulty A111 this weekend. Thanks for the tip Zoran, it was indeed the hard sync input. I put a new part in and it
          Message 4 of 11 , Nov 19, 2005
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            Hello,

            I finally had some time to fix the faulty A111 this weekend.
            Thanks for the tip Zoran, it was indeed the hard sync input.
            I put a new part in and it works fine again!

            And now on to tuning the other A111..
            The work of a modular owner never stops ;-)

            Greetings,
            Ernst
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