Hi Jonne, please take a look at below link, I can't insert image here.
https://www.flickr.com/photos/56044420@N07/14587914766/
Here I take a close shot at the big capacitor. Your driver should have the same connection with me.

Also, this is my driver condition
https://www.flickr.com/photos/56044420@N07/14610453462/

Full driver image here, found it on Ebay:
Sanyo Denki BL Super Servo Amplifier 60BA150VFW00 | eBay


Thanks a lot for your replay, you are so kind.