Roland VersaCamm VS-640 Service Notes page 6

Electric charge.
Do not touch when power is on.
The wiring terminal untended for connec-
tion of the protective earthing conductor
associated with the supply wiring.
Do not disconnect the cable of this termi-
nal except the time of replacement.
WARNING
- FOR CONTINUED
PROTECTION AGAINST RISK OF FIRE,
REPLACE ONLY WITH FUSE OF THE
SPECIFIED TYPE AND CURRENT RATING.
F80L HS