Hi,
I finally discovered that it must be the voice chips. Apparently is a common problem in older synths. I am returning it :(
Thanks for all your responses guys,
Alex
--- In AN1x-list@yahoogroups.com, Jeff <jf.serviere@...> wrote:
>
> Don't forget the CURRENT rating : 700 mA minimum. The voltage in itself
> is not enough, it must be able to supply 12 v even loaded with the AN1x .
> Cheers
> J.F.
>
> alexandros_vagenas a écrit :
> >
> > Tried a 12v psu and the same thing happened...Could it be a software
> > problem?
> >
> > Thanks,
> >
> > Alex
> >
> > --- In AN1x-list@yahoogroups.com <mailto:AN1x-list%40yahoogroups.com>,
> > "Bob S." <tttsystems@> wrote:
> > >
> > > Here is the Yamaha website with AN1x specs and power requirements:
> > >
> > >
> > http://www.yamaha.com/yamahavgn/CDA/ContentDetail/ModelSeriesDetail/0,,CNTID%25253D1225%252526CTID%25253D207150%252526LGFL%25253DY,00.html
> > <http://www.yamaha.com/yamahavgn/CDA/ContentDetail/ModelSeriesDetail/0,,CNTID%25253D1225%252526CTID%25253D207150%252526LGFL%25253DY,00.html>
> > >
> > > Just try another supply with a higher current. What could be
> > happening is during a peak load, the voltage is dropping below the 10
> > or 11 volts needed to run the output amplifiers and cause a cutout of
> > sound. Don't invest in a new supply yet, just borrow one for the
> > correct voltage, current and plug polarity. There are actually plenty
> > of 12volt 1amp supplies on EBay for less than 10 dollars when you are
> > sure....
> > >
> > > Bob
> > > El Segundo, CA
> > >
> > >
> > > ----- Original Message -----
> > > From: Jeff
> > > To: AN1x-list@yahoogroups.com <mailto:AN1x-list%40yahoogroups.com>
> > > Sent: Sunday, November 29, 2009 4:18 PM
> > > Subject: Re: [AN1x] Re: AN1x Sound Problem
> > >
> > >
> > > Alex,
> > > of course NO.
> > > It is a Yamaha PSU, but not the one sold with the AN1x, the current
> > > rating (600 mA) is too low. I'm not sure it is the root cause of your
> > > problem but in case... try another one with more current, 800 or
> > more mA.
> > > Cheers.
> > > J.F.
> > >
> > > alexandros_vagenas a écrit :
> > > >
> > > > Bob,
> > > >
> > > > The power supply is a KPA3, 11.5v, 600mA. Shouldn't that be enough?
> > > > I'll get a 12v one to see what happens anyway.
> > > >
> > > > Thanks,
> > > >
> > > > Alex
> > > >
> > > > --- In AN1x-list@yahoogroups.com
> > <mailto:AN1x-list%40yahoogroups.com>
> > <mailto:AN1x-list%40yahoogroups.com>,
> > > > "Bob S." <tttsystems@> wrote:
> > > > >
> > > > > Jammie may be right about the power supply.....
> > > > >
> > > > > 12v (12 volts)
> > > > > 700mA (700 milliamps) or greater
> > > > > + tip polarity (tip polarity is positive for all Yamaha keyboards)
> > > > >
> > > > > Bob
> > > > > El Segundo, CA
> > > > >
> > > > >
> > > > > ----- Original Message -----
> > > > > From: Bob S.
> > > > > To: AN1x-list@yahoogroups.com
> > <mailto:AN1x-list%40yahoogroups.com> <mailto:AN1x-list%40yahoogroups.com>
> > > > > Sent: Friday, November 27, 2009 7:34 AM
> > > > > Subject: Re: [AN1x] Re: AN1x Sound Problem
> > > > >
> > > > >
> > > > >
> > > > > I wouldn't have opened the unit for a delayed sound after changing
> > > > the preset...if the unit works, it works. A slight skew in a board
> > > > unless the board is broken or disconnected would not make a
> > > > difference. From your description it is difficult to tell if the unit
> > > > is working properly. I seemed to remember (I sold my board a year ago
> > > > but still have an PLG AN board in my CS6x) that there is a couple of
> > > > second delay between the time you enter a preset and the time it is
> > > > available to play. Maybe you are not waiting long enough or expect it
> > > > to be immediate. If this is not the case, I would start with a simple
> > > > single layer preset. Change to it, wait a couple of seconds and play.
> > > > It should be there. Verify you have full polyphony....10 notes
> > play at
> > > > the same time and when you go to 11, the first note goes away. If it
> > > > all works normally after a couple of seconds (2 to 4 seconds) it's
> > > > working the way it should. If it cuts out after that, make sure you
> > > > are not overdriving so me amp to cutout, use the headphones. Make
> > sure
> > > > there is not an loose connection in your audion chain.
> > > > >
> > > > > There are two or three possible scenarios in a synth design that
> > > > could possibly cause a delay, a slow microcontroller due to a
> > clock on
> > > > the controller board not running a the proper speed (something you
> > can
> > > > not fix yourself); preset memory corruption (a factory reset will
> > > > restore factory presets but may loose custom ones) and a bad output
> > > > audio amplifier (saturates intially, you can test another audio
> > output
> > > > like the mains).
> > > > >
> > > > > Good luck.
> > > > >
> > > > > Bob
> > > > > El Segundo, CA
> > > > >
> > > > > -----Original Message-----
> > > > >
> > > > > From: alexandros_vagenas
> > > > >
> > > > > Sent: Nov 27, 2009 6:56 AM
> > > > >
> > > > > To: AN1x-list@yahoogroups.com
> > <mailto:AN1x-list%40yahoogroups.com> <mailto:AN1x-list%40yahoogroups.com>
> > > > >
> > > > > Subject: [AN1x] Re: AN1x Sound Problem
> > > > >
> > > > > Hi,
> > > > >
> > > > > I opened it up and the only thing I can notice is that there's a
> > > > small circuit board sitting a bit askew on the main circuit board.
> > > > >
> > > > > Could that be the reason?
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Alex
> > > > >
> > > > > --- In AN1x-list@yahoogroups.com
> > <mailto:AN1x-list%40yahoogroups.com>
> > > > <mailto:AN1x-list%40yahoogroups.com>, "jondl_2000" <jondl_2000@>
> > wrote:
> > > > >
> > > > > >
> > > > >
> > > > > >
> > > > >
> > > > > >
> > > > >
> > > > > > --- In AN1x-list@yahoogroups.com
> > <mailto:AN1x-list%40yahoogroups.com>
> > > > <mailto:AN1x-list%40yahoogroups.com>, "alexandros_vagenas"
> > > > <alexandros_vagenas@> wrote:
> > > > >
> > > > > > >
> > > > >
> > > > > > > Hi everyone,
> > > > >
> > > > > > >
> > > > >
> > > > > > > This is my first post here as I just got a used An1x.
> > > > >
> > > > > > >
> > > > >
> > > > > > > When I first turned it on and started going through the
> > presets,
> > > > I realised that on the poly single sounds, after I had played a few
> > > > notes, there was a gap when no sound would be produced when I pressed
> > > > down on the keys. Then it would resume after a few seconds. This
> > would
> > > > be recrified if I turned the layer from single to dual but I'm
> > looking
> > > > for a permanent solution.
> > > > >
> > > > > >
> > > > >
> > > > > >
> > > > >
> > > > > > Welcome to AN1x-list, congrats on the new synth.
> > > > >
> > > > > >
> > > > >
> > > > > > Never heard of this specific issue, but I would ask if you
> > checked
> > > > the Portamento value to determine if it was set to an extreme value
> > > > that would result in what could perceived as an abnormal lag in
> > > > between note ons.
> > > > >
> > > > > >
> > > > >
> > > > > > >
> > > > >
> > > > > > > The AN1x hadn't been used in years and I imagine that's part of
> > > > it. Do you know if there's something simple I can check on the
> > > > circuitboard? I'm not familiar with electronics at all.
> > > > >
> > > > > > >
> > > > >
> > > > > >
> > > > >
> > > > > > It's not uncommon for the ribbon connectors for the
> > controllers to
> > > > become unseated or loose after shipment or long periods of disuse.My
> > > > suggestion is to a) perform a factory reset if you've not already and
> > > > b) open the case (with some patience and a screw driver) and reseat
> > > > all the cable connectors to the main board.
> > > > >
> > > > > >
> > > > >
> > > > > > regards,
> > > > >
> > > > > >
> > > > >
> > > > > > Jon
> > > > >
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > [Non-text portions of this message have been removed]
> > > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > Community email addresses:
> > > Post message: AN1x-list@yahoogroups.com
> > <mailto:AN1x-list%40yahoogroups.com>
> > > Subscribe: AN1x-list-subscribe@yahoogroups.com
> > <mailto:AN1x-list-subscribe%40yahoogroups.com>
> > > Unsubscribe: AN1x-list-unsubscribe@yahoogroups.com
> > <mailto:AN1x-list-unsubscribe%40yahoogroups.com>
> > > List owner: AN1x-list-owner@yahoogroups.com
> > <mailto:AN1x-list-owner%40yahoogroups.com>
> > >
> > > Shortcut URL to this page:
> > > http://groups.yahoo.com/group/AN1x-list
> > <http://groups.yahoo.com/group/AN1x-list>
> > >
> > > The AN1x Control Synthesizer FAQ::
> > > http://www.geocities.com/jondl_2000/an1x_faq/an1x_faq_toc.htm
> > <http://www.geocities.com/jondl_2000/an1x_faq/an1x_faq_toc.htm>
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >
>