13. Lightning
For added protection for this TV receiver during a
lightning storm, or when it is left unattended and
unused for long periods of time, unplug it from the
wall outlet and disconnect the antenna or cable
system. This will prevent damage to the TV
receiver due to lightning and power-line surges.
14. Power Lines
An outside antenna system should not he located
in the vicinity of overhead power lines or other
electric light or power circuits, or where it can fall
into such power lines or circuits. When installing
an outside antenna system, extreme care should
be taken to keep from touching such power lines
or circuits as contact with them might be fatal.
15. Overloading
Do not overload wall outlets and extension cords
as this can result in a risk of fire or electric shock.
16. Object and Liquid Entry
Never push objects of any kind into this TV
receiver through openings as they may touch
dangerous voltage points or short-out parts that
could result in a fire or electric shock. Never spill
liquid of any kind on the TV receiver.
17. Outdoor Antenna Grounding
If an outside antenna or cable system is connected
to the TV receiver, be sure the antenna or cable
system is grounded so as to provide some protec-
tion against voltage surges and built-up static
charges.
Section 810 of the National Electrical Code, ANSI/
NFPA No.70, provides information with regard to
proper grounding of the mast and supporting
structure, grounding of the lead-in wire to an
antenna discharge unit, size of grounding conduc-
tors, location of antenna discharge unit, connec-
tion to grounding electrodes, and requirements for
the grounding electrode.
EXAMPLE OF ANTENNA GROUNDING
._NNA
LEAD IN WIRE
DISCHARGE UNIT
(NEC SECTION 8!0-20)
GROUNDING
CONDUCTORS
_(NEC SECTION8!0-21)
ELECTRODE SYSTEM
NEC -- NATIONAL ELECTRICAL CODE (NEC ART 250, PART H)
18. Servicing
Do not attempt to service this TV receiver
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 TV receiw._r l'rom the wall outlet
and refer servicing to qualified service person-
nel under the following conditions:
(a) When the power-supply cord or plug is
damaged.
(b) If liquid has been slpilled, or objects haw_
fallen into the TV receiver.
(c) If the TV receiver has been exposed to rain
or water.
(d) If the TV receiver does not operate normally
by following the operating instructions.
Adjust only those controls that are covered
by the operating in,_tructions as an improper
adjustment of other controls may result in
damage and will often require extensive
work by a qualified technician to restore the
TV receiver to its normal operation.
(e) If the TV receiver has been dropped or the
cabinet has been damaged.
(f) When the TV receiver 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 replaceraent
parts specified by the manufacturer or have the
same characteristics as the original pan;.
Unauthorized substitutions may result i[nfire,
electric shock or other hazards.
21. Safety Check
Upon completion of any service or repairs to this
TV receiver, ask the service technician to
perform safety checks to determine that the TV
receiver is in safe operating condition.
_Warning:
Do not leave stationary images, such as stock
market reports or video games, on-screen for
more than 10 minutes. Still patterns such as
these can scar the TV, causing permanent
damage to the picture tubes.