Aiwa FR-A47 Operating Instructions Manual page 6

PRECAUTIONS
mm
Maintenance
Clean the unit only as recommended in the Operating
Instructions.
Damage Requiring Service
Have the units setviced by a qualified service technician if:
-The AC power cord or plug has been damaged
– Foreign objects or liquid have gotten inside the unit
-The unit has been exposed to rain or water
–The unit does not seem to operate normally
–The unit exhibits a marked change in performance
–The unit has been dropped, or the cabinet has been
damaged
DO NOT ATTEMPT TO SERVICE THE UNIT YOURSELF.