Archive of the former Yahoo!Groups mailing list: MOTM

hello all,
does anyone have the circuit diagram for the Roland M181 keyboard ?
i was wiring up a power cable for it and stupidly got +/- 15 volts back to
front
keyboard seems to have survived (well done mr kakehashi) but the pitch bend
seems to be damaged
any help would be appreciated
cheers
paul b
sheffield