Hitachi VM-E230A Instruction Manual page 12

Important Safeguards
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.
19 Replacement Parts -- When replacement parts are required, have the service
technician verify that the replacements he uses have the same safety characteristics as
the original parts. Use of replacements specified by the video product manufacturer can
prevent fire, electric shock or other hazards.
20 Safety Check -- Upon completion of any service or repairs to this video product, ask
the service technician to perform safety checks recommended by the manufacturer to
determine that the video product is in safe operating condition.
21 Heat -- The product should be situated away from heat sources such as radiators,
heat registers, stoves, or other products (including amplifiers) that produce heat.