Is there a schematic available for this real, I can't find one. Closest "look a like" is Stella 4000FA
I'm pretty sure it is the same, SWXXXX JDM vs XXXXFA USDM, dated '01.
At Shimano.jp you can get the Stella JDM schema's:
http://fservice.shimano.co.jp/part/01/01001/index.html
Good luck!
yes but you need to read japanese unless the pictures are enough for you ;D
http://www.plat.co.jp/parts/SHIMANO/STELLA.html