Yamaha CS80 group photo

Yahoo Groups archive

Yamaha CS80

Archive for yamahacs80.

Index last updated: 2026-03-30 01:20 UTC

Message

Re: [yamahacs80] Re: Have a CS80 problem that needs fixin' - Hope ya'll can help

2009-07-27 by David Rogoff

kent spong wrote:
> Hi Jerry,
>
> Yeah that's right,
>
> Just lift the lid and pull the white plastic covers off to expose the key contacts. Use the guitar 1 and 2 preset to do this as it shows double triggering up more than any other sound.
>

Here's a picture of the contacts with the keys removed (which you don't
need to do!).

http://www.therogoffs.com/cs80/overhaul/images/image16.jpg

Each key has two sets of contacts. One is used for the key scanning chip
and the other is used for the velocity sensing. Kent, do you remember
which side is which?

David

Attachments