Vintage Simmons Drums (UK) Users Group

Hauke,

> I gave the scan of the schematics to the guy who is trying to repair my SDS7
> and he started to laugh :o) All that has been typed in that document is a
> help, but the "drawings" are a joke because of the bad scan... it would be
> just great if that guy who sent the schematics to you would do a better scan.

I'm sure we can get a better version.

> Besides: Do you use a special IC or chip on your MIDI2SDSII ? I gave your
> schematics to "my soldering-guy" and he said that it is no problem building
> it but he would need a chip with the software on it?!?! I have absolutely no
> idea, could I please have your advice/answer? Thank you very much!!!

I don't have any of the chips left. the chip itself is an Atmel Microcontroller,
ATMEGA8-16AI, which is a fairly standard part.

Paul