Sounds lost on Yamaha SY35

Hi all...

a problem... I have buyed a used Yamha SY35 but it has no Internal Sounds ! The display shows only MULTI Initial on every Banks, i hear only the Piano.

So where i can get a dump of the Internal Multi-patches...??

Any one here can Help me with a MidiDump or any other Help?

thx much for..

best regard