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 \ufffdcrit : > > 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 \ufffdcrit : > > > > > > 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] > > > >
Message
Re: [AN1x] Re: AN1x Sound Problem
2009-12-04 by Jeff