Antennas, Service – Sony STR-DB940 User Manual
Page 92
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Power-Cord Protection — Route the power
cord so that it is not likely to be walked on
or pinched by having objects placed on it,
paying particular attention to the plugs,
receptacles, and the point where the cord
exits from the appliance
When not in use — Unplug the power cord
of the appliance from the outlet when left
unused for a long period of time
To disconnect the cord, pull It out by grasp
ing the plug Never pull the plug out by
the cord
Foreign Objects — Be careful that foreign
objects and liquids do not enter the
enclosure through openings
Cleaning — Clean the appliance only as
recommended by Sony
ANTENNAS
Outdoor Antenna Grounding — If an outdoor antenna or cable
system is installed, follow the precautions below
Antenna Grounding According to the National Electrical Code
An outdoor antenna system should not be located in the vicinity of
overhead power lines or other electric light or power circuits, or
where it can come in contact with such power lines or circuits
WHEN INSTALLING AN OUTDOOR ANTENNA SYSTEM, EXTREME
CARE SHOULD BE TAKEN TO KEEP FROM CONTACTING SUCH
POWER LINES OR CIRCUITS AS CONTACT WITH THEM IS
ALMOST INVARIABLY FATAL
Be sure the antenna system Is grounded so as to provide some pro
tection against voltage surges and built-up static charges Section
810 of the National Electrical Code provides information with
respect to proper grounding of the mast and supporting structure,
grounding of the lead-in wire to an antenna discharge unit, size of
grounding conductors, location of antenna-discharge unit, connec
tion to grounding electrodes, and requirements for the grounding
electrode
Antenna Lead-in Wire
Antenna Discharge Unit
(NEC* Section 810-20)
Grounding Conductors
(NEC* Section 810-21)
Ground Clamps
Power Service Grounding
Electrode System
(NEC* Art 250 Part H)
‘NEC-National Electrical Code
SERVICE
Unplug the appliance from the wall outlet
and consult qualified service personnel
when
— the power cord or the plug has been
damaged
— the appliance has been exposed to rain
or moisture
— the appliance has been dropped, or the
enclosure damaged
— a solid object or liquid has fallen into
the cabinet
— the appliance does not appear to
operate normally or exhibits a marked
change in performance
Do not attempt to service the appliance
beyond that described in the operating in
structions For all other servicing refer to
qualified service personnel only