[sdiy] Yamaha CVP900 Clavinova piano needs obsolete DAC chip Burr Brown PCM1702..

Jean-Pierre Desrochers jpdesroc at oricom.ca
Tue Nov 28 15:33:48 CET 2023


Thank you all for your suggestions..

The customer agreeded to buy 2 X PCM1702 at Syntaur web site.
Just plain pin to pin replacement.
I'm a 'make it easy' guy..

JP

> -----Message d'origine-----
> De : Synth-diy <synth-diy-bounces at synth-diy.org> De la part de Roman Sowa
> Envoyé : 28 novembre 2023 04:13
> À : synth-diy at synth-diy.org
> Objet : Re: [sdiy] Yamaha CVP900 Clavinova piano needs obsolete DAC chip
> Burr Brown PCM1702..
> 
> That used to be top specs DAC in previous millenium.
> Its datasheet was geek's equivalent of a porn magazine.
> What I would do is take any modern audio DAC, say PCM1753 and add a
> microcontroller to translate serial interfaces. Might be difficult if Clavinova
> utilizes high oversampling rate, but if it's around 50ksps, it seems doable.
> OTOH making such retrofit will definitely cost more than buying even 2 vintage
> PCM1702.
> However, if Clavinovw feeds it with 24-bit words and not just 20, it might be
> doable without any translation, just a little abusement and PLL generated
> system clock.
> 
> Roman
> 
> W dniu 2023-11-27 o 17:31, Jean-Pierre Desrochers pisze:
> > Hi list,
> >
> > I’m looking for an obsolete DAC chip going into a Yamaha CVP900
> > Clavinova piano.
> >
> > I googled it and found many Chinese sellers one ebay that sells this chip
> > (does not trust them.. fakes..) Seldom USA eBay suppliers sell that chip
> > for around $45USD + shipping !
> >
> > I found that Syntaur web site sells for $36.95USD. The cheapest found so
> > far..
> >
> > So I post this to check if someone would have this chip in a bin
> > somewhere.. ?
> >
> > Or I’ll have to consider this chip (since obsolete) cost at least $37.00
> > now ?
> >
> > Or any subsitute could do ?
> >
> >
> > _______________________________________________
> > Synth-diy mailing list
> > Synth-diy at synth-diy.org
> > http://synth-diy.org/mailman/listinfo/synth-diy
> > Selling or trading? Use marketplace at synth-diy.org
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at synth-diy.org
> http://synth-diy.org/mailman/listinfo/synth-diy
> Selling or trading? Use marketplace at synth-diy.org




More information about the Synth-diy mailing list