5
5
Important Safeguards
IMPORTANT SAFEGUARDS Continued
12. Power Lines
An outside antenna system should not be located in the vicinity of overhead power lines or other elec tric light
or power circuits, or where it can fall into such power lines or circuits. When installing an out side antenna
system, extreme care should be taken to keep from touching such power lines or circuits as contac t with
them might be fatal.
13. Overloading
Do not overload wall outlets and extension cords as this can result in a risk of re or elec tric shock.
14. Object and Liquid Entry
Never push objects of any kind into this TV through openings as they may touch dangero us voltage points or
short-out parts that could result in re or electr ic shock. Never spill liquid of any kind on or into the TV.
15. Outdoor Antenna Grounding
If an outside antenna or cable system is connected to the TV, be
sure the antenna or cable system is grounded so as to provide
some protection against voltage surges and built-up static charges.
Section 810 of the National Electric Code, ANSI/NFPA No.
70-1984, 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, locatio n
of antenna discharge unit, connection to grounding elec trodes,
and requirements for the grounding electrode.
16. Servicing
Do not attempt to service this TV yourself as opening or re moving covers may expose you to dangerous
voltage or other hazards. Refer all servicing to qualied ser vice personnel.
17. Damage Requiring Service
Unplug the TV from the wall outlet and refer servicing to qualie d 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 TV.
(c) If the TV has been exposed to rain or water.
(d) If the TV does not operate normally by following the operating instru ctions, 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 qualied technician to restore the TV to it s normal operation.
(e) If the TV has been dropped or the cabinet has been damag ed.
(f) When the TV exhibits a distinct change in per formance - this indicates a need for service.
18. Replacement Parts
When replacement parts are required, be sure the service tec hnician has used replacement parts specied
by the manufacturer or have the same characteristics as the original part. Unautho rized substitutions may
result in re, electric shock or other hazards.
19. Safety Check
Upon completion of any service or repair to the TV, ask the service techn ician to perform safety checks to
determine that the TV is in safe operating condition.
20. Heat
The product should be situated away from heat sources such as radiators, heat registers, stoves, or other
products (including ampliers) that produ ce heat.
ANTENNA
LEAD IN WIRE
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
GROUNDING
CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NECART 250 PARTH)
GROUND CLAMP
ELECTRIC
SERVICE
EQUIPMENT
NEC— NATIONAL ELECTRICAL CODE
EXAMPLE OF ANTENNA GROUNDING