You can check it e.g. with a multimeter. On the bus boards are flat
connectors (at the right side) labelled GND and +5V. The voltage between
these terminals has to be +5V. And there is another fast check: the third
LED on the bus board has to light up if the +5V adapter is installed
correctly.

Best wishes
Dieter Doepfer

> -----Ursprüngliche Nachricht-----
> Von: Doepfer_a100@yahoogroups.com
> [mailto: Doepfer_a100@yahoogroups.com ]Im Auftrag von William Soraparu
> Gesendet: Freitag, 15. September 2006 17:11
> An: Doepfer_a100@yahoogroups.com
> Betreff: Re: AW: AW: 1 A-191 Question
>
>
> How can one check if the additional +5 volt works Where would I
> check with a multi meter
>
> Mahalo
>
> hardware@... wrote:
> Provided that the additional +5V are OK the module has
> probably a fault. If
> you have another module that requires +5V too (A-190 or A-113) you may try
> if the +5V are OK.
>
> Best wishes
> Dieter Doepfer
>
> > -----Ursprüngliche Nachricht-----
> > Von: Doepfer_a100@yahoogroups.com
> > [mailto: Doepfer_a100@yahoogroups.com ]Im Auftrag von William Soraparu
> > Gesendet: Freitag, 15. September 2006 04:31
> > An: Doepfer_a100@yahoogroups.com
> > Betreff: Re: AW: 1 A-191 Question
> >
> >
> > No matter what I do on the A-191...the three lower leds stay lit.
> > I cannot change between the Sheppard and Midi to CV.
> >
> > Mahalo
> >
> > WIlliam
> >
> > hardware@... wrote:
> > William,
> >
> > you find my answers below
> >
> > > All, question on tha A-191.
> > >
> > > Prior to the installation of the A-191, I did plug into the
> > > Doepfer bus the A100-AD5
> > > 5V Low-Cost Adapter. I plugged it in correctly :-)!!!!
> > >
> > > Now, with the system powered up, and the A-191 plugged in
> > > correctly, should the lower 3 LEDs be on steady
> >
> > It depends upon the operation mode. In the MCV mode they are all
> > off. In the
> > Shepard mode the lowest LED has to be on permanently. For the
> > other two LEDs
> > it depends if you have chosen the up, down or up/down mode.
> > Details how to enter the different modes are described in the
> > user's manual.
> >
> > > Manual refers to
> > > them as number 8 when describing the controls on the panel. Have
> > > not really tried the module yet. Will know more today.
> > >
> > > Everything else that is plugged into that bus, where the A-191
> > > is plugged, is working fine....and the bus is not over populated.
> > >
> > > Mahalo,
> > >
> > > William
> > > Hawaii
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
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