Marantz SA-12S1 - Manual (Page 4)

18. Servicing-Do not attempt to service this video product yourself
as opening or removing covers may expose you to dangerous
voltage or other hazards. Refer all servicing to qualified service
personnel.
19. Damage Requiring Service-Unplug this video product from the
wall outlet and refer servicing to qualified service personnel under
the following conditions:
a. When the power-supply cord or plug is damaged.
b. If liquid has been spilled, or objects have fallen into the video
product.
c. If the video product has been exposed to rain or water.
d. If the video product does not operate normally by following the
operating instructions. Adjust only those controls that are
covered by the operating instructions as an improper adjustment
of other controls may result in damage and will often require
extensive work by a qualified technician to restore the video
product to its normal operation.
e. If the video product has been dropped or the cabinet has been
damaged.
f. When the video product exhibits a distinct change in
performance-this indicates a need for service.
20. Replacement Parts-When replacement parts are required, be
sure the service technician has used replacement parts specified
by the manufacturer or have the same characteristics as the
original part. Unauthorized substitutions may result in fire,
electric shock or other hazards.
21. Safety Check-Upon completion of any service or repairs to this
video product, ask the service technician to perform safety checks
to determine that the video product is in proper operating
condition.
22. Carts and Stands-The appliance should be used only with a cart
or stand that is recommended by the manufacturer.
23. An appliance and cart combination should be moved with care.
Quick stops, excessive force, and uneven surfaces may cause
the appliance and cart combination to overturn.