Hi ,

i had a link but it is more detailed in japanese and that is a player using SND1C and included schematic and PCB :

http://www.ebdev.com/mp3/mp3_0.htm

but generaly speaking about the SND1 seems no one likes it much and some people hate it maybe because it has bunch of features and it makes them jealous .

Best Regards :
Farshid J.H.