Important Safeguards (continued)
13. Outdoor Antenna Grounding ? If an outside 17. Objects and Liquids ? Never push objects of any
antenna or cable system is connected to the video kind into this video unit through openings as they
unit, be sure the antenna or cable system is may touch dangerous voltage points or short out
grounded so as to provide some protection against parts that could result in a fire or electric shock.
voltage surges and built-up static charges. Part 1 Never spill liquid of any kind onto the video unit.
of the Canadian Electrical Code, in USA Section
810 of the National Electrical Code, provides infor-18. Servicing ? Do not attempt to service this video
mation with respect to proper grounding of the unit yourself as opening or removing covers may
mast and supporting structure, grounding of the expose you to dangerous voltage or other hazards.
lead-in wire to an antenna discharge unit, size of Refer all servicing to qualified service personnel.
grounding conductors, location of antenna dis-
charge unit, connection to grounding electrodes, 19. Damage Requiring Service ? Unplug this video
and requirements for the grounding electrode.unit from the wall outlet and refer servicing to qual-
ified service personnel under the following condi-
ANTENNA LEAD IN WIREtions:
a. When the power-supply cord or plug is dam-
GROUND aged.
CLAMPS
ANTENNA DISCHARGE UNIT b. If any liquid has been spilled onto, or objects
(NEC SECTION 810-20)have fallen into the video unit.
ELECTRIC
SERVICE GROUNDING CONDUCTORS c. If the video unit has been exposed to rain or
EQUIPMENT(NEC SECTION 810-21)water.
GROUND CLAMPd. If the video unit does not operate normally by
following the operating instructions. Adjust only
POWER SERVICE GROUNDING
ELECTRODE SYSTEM those controls that are covered by the operating
NEC ? NATIONAL (NEC ART 250, PART H)instructions, as an improper adjustment of other
ELECTRICAL CODE
controls may result in damage and will often
require extensive work by a qualified technician
14. Lightning ? For added protection of this video unit to restore the video unit to its normal operation.
receiver during a lightning storm, or when it is left e. If the video unit has been dropped or the cabi-
unattended and unused for long periods of time, net has been damaged.
unplug it from the wall outlet and disconnect the f. When the video unit exhibits a distinct change in
performance ? this indicates a need for ser-
antenna or cable system. This will prevent damage
vice.
to the video unit due to lightning and power-line
surges.
20. Replacement Parts ? When replacement parts
are required, be sure the service technician has
15. Power Lines ? An outside antenna system should
used replacement parts specified by the manufac-
not be located in the vicinity of overhead power
turer or have the same characteristics as the origi-
lines or other electric light or power circuits, or
nal part. Unauthorized substitutions may result in
where it can fall into such power lines or circuits.
fire, electric shock or other hazards.
When installing an outside antenna system,
extreme care should be taken to keep from touch-
21. Safety Check ? Upon completion of any service
ing such power lines or circuits as contact with
or repairs to this video unit, ask the service techni-
them might be fatal.
cian to perform safety checks to determine that the
video unit is in safe operating order.
16. Overloading ? Do not overload wall outlets and
extension cords as this can result in a risk of fire or
electric shock.
4 |
ACEC
PANASONIC
