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Re: A111 troubles

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  • 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 1 of 11 , Nov 1 1:46 AM
      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
      > >
      > >
      > > >-----Urspr√ľngliche 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 2 of 11 , Nov 2 4:07 AM
        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
        > > >
        > > >
        > > > >-----Urspr√ľngliche 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 3 of 11 , Nov 19 8:40 AM
          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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