14.PowerLines
Anoutsideantennasystemshouldnotbelocated
inthevicinityofoverheadpowerlinesorother
electriclightorpowercircuits,orwhereit canfall
intosuchpowerlinesorcircuits.Wheninstalling
anoutsideantennasystem,extremecareshould
betakentokeepfromtouchingsuchpowerlines
orcircuitsascontactwiththemmightbefatal.
15.Overloading
Donotoverloadwalloutletsandextensioncords
asthiscanresultinariskoffireorelectricshock.
16.ObjectandLiquidEntry
NeverpushobjectsofanykindintothisTV
receiverthroughopeningsastheymaytouch
dangerousvoltagepointsorshort-outpartsthat
couldresultinafireorelectricshock.Neverspill
liquidofanykindontheTVreceiver.
17.OutdoorAntennaGrounding
Ifanoutsideantennaorcablesystemisconnected
totheTVreceiver,besuretheantennaorcable
systemisgroundedsoastoprovidesomeprotec-
tionagainstvoltagesurgesandbuilt-upstatic
charges.
Section810oftheNationalElectricalCode,ANSI/
NFPANo.70-1984,providesinformationwith
respecttopropergroundingofthemastand
supportingstructure,groundingofthelead-in
wiretoanantennadischargeunit,sizeof
groundingconductors,locationofantennadis-
chargeunit,connectiontogroundingelectrodes,
andrequirementsforthegroundingelectrode.
EXAMPLE OF ANTENNA GROUNDING
//_,.Ikl "_ /ANTENNA
/ ]'-'_ .,_ DISCHARGE UNIT
I EQUIPMENT'--_ I_ / _ J GROUNDING
_'_]_ CONDUCTORS
_._.i__-----_(NEC SECTION 810-21)
- ± _"_-GROUND CLAMPS
T_POWER SERVICE GROUNDING
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 receiver from the wall outlet
and refer servicing 1:oqualified ser,cice
personnel under !;he 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 receiver.
(c) Ifth_ TV receiw_r has been exposed to rain
or water.
(d) If the TV receiw_r does not operate normally
by fo!lowing the operating instructions.
Adjust only those controls that are covered
by the operating instructions as an improper
adju,_tment of other controls may result in
damage and will often require extensive
work by a qualified technician to restore the
TV receiver to i'_s 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
V_hen replacement parts are required, be sure
the service technician has used replacement
parts specified by the manufacturer or have the
same characteristics as the original part.
Unauthorized substitutions may result in fire,
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.
I• Warning:
Do not leave stationary images, such as stock
market reports, videe games, station logos, or
the TV's displays, on-screen for more than 10
minutes. Still patterns such as these can scar
the TV, causing perm anent damage _o the
picture tube.
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