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• If liquid has been spilled or objects have
fallen into the product.
• If the product has been exposed to rain
or water.
• If the 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
product to normal operation.
• If the product has been dropped or
damaged in any way.
• When the product exhibits a distinct
change in performance.
Replacement Parts — When replacement
parts are required, be sure the service
technician uses replacement parts specified
by the manufacturer or having the same
characteristics as the original part.
Unauthorized substitutions may result in
fire, electric shock, or other hazards.
Safety Check — Upon completion of
service or repairs to this product, ask the
service technician to perform safety checks
to determine that the product is in proper
operating condition.
Heat — The product should be situated
away from heat sources such as radiators,
heat registers, stoves, or other products
(including amplifiers) that produce heat.