what switch type does the sanyo mbc-775 keyboard use?

[Aran.E99]

i've got my eye on a vintage sanyo keyboard however i do not know:
1. what protocol / connector it uses
2. what switch type it uses.

this is what it looks like:

photo credit to thepcmuseum.net

any info would be great.

[chyros]

Many Sanyo keyboards used Fujitsu leaf spring switches of various generations. Considering that's an XT keyboard, I think Fujitsu leaf spring is a pretty decent guess.