Hitachi 20SA2B Operating Manual page 4

PROTECTION AND LOCATION OF YOUR SET
16-1 If an outsKle antenna is connected to the
television set, be sure the antenna system _s
gmunde0 so as to provide some protection
against voltage surges and built up static
charges. Section 810 of the NatsonalElectrical
Code, NFPA No. 70-1975. provides =nformation
with respect to proper grounding of the mast
and supporting structure, grounding of the lead-
in wire to an antenna discharge un0t,size of
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EXAMPLE OF ANTENNA GROUNDING AS PER
NATIONAL ELECTRICAL CODE INSTRUCTIONS
16-2
17
grounding conductors, Iocahon of antenna-
discharge unit, connection to grounding
electrode, and requirements for the grounding
electrode.
Note to CATV system Installer.
(Only for the television set with CAW
reception)
This reminder is provided to call the CAW
system Installer's attention to Article 820-40
of the NEC that provides guidelines for prober
grounding and, In particular, specifies that the
cable ground shall be connected to the
grounding system of the building, as close
to the point of cable entry as practical.
An outside antenna system should net be
IocateO in the wctnlty of overhead power lines
or other electrm..al lights or power circuits, or
where it can fall into such pow_ lines or
circuits. When installing an outsideentenna
system, extreme care should be taken to keep
from touching such power lines or circuits as
contact with them might be fatal.
For added protection for this television set
during a lightning storm, or when it is left
unattended and unused for long peri<x:ls of
time, unplug it from the wall outlet and
disconnect the antenna. This will prevent
damage due to lightning and power-line
surges
/° I/
OPERATION OF YOUR SET
19 This telev=smnset should be operated only
from the type of power source indicated on
marking label. If you are not sure of
the type of power SUpl_yat your home,
consult your telewsK)n pealer or local
l_)Wer company For television sets
00_ned to operate _om patten/power,
rerer to the pperat,ng mstructK)ns.
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21
If the television set does net operate
normally by follovwng the operating
instructions, unplug this televts=on set from
the wall outlet and refer servicing to
qualified sennce personnel.Adjust only
those controls that are covered in the
operating instructtons as improper
adjustment of other controls may result in
damage and will often require extensive
work by a qualified technician to restore
the television set to normal operation.
When going on a holiday: If your
television set is to remain unused for a
period of time, turn the television set "off"
and unplug it from the wall duffer.
IF THE SET DOES NOT OPERATE PROPERLY
22 If you are unable to restore nor'real pperstv_') by _L-_ _
following the detailed procedure in your opt-
sting instructK>ns, do not attempt any further _ =
edjustment. Unplug the set and call your 01ealer
or service technician.
23 Whenever the television set is damaged or
fails, or a distinct change in performance
indicates a need for serwce, Unl_Ug the set and
have it checked by a profaes_onal servzce
technician.
24 It is normal for some TV sets to make occa- _
s_nal snapping or popping sounds, particularly
when being turned on or off. If the snapping or I
popping is continuous or frequent, talplug the II-_._I (. S_=_
set and consult your dealor or serv-,ce _-_";
technician. '_
FOR SERVICING AND MODIFICATION
25 Do net use attachments not recommended by
the television sot manufacturer as they may
cause hazards.
26 When replacement parts are required, be sure
the sef'vlce tectmic_an has used replacement
parts _ by the manufacturer tl_t have
same charecterist_csas the original part.
Unauthoirized substitutK>nsmay result in fire,
elect)'=; shock, or other hazards.
27
Upon completion of any sorwce or repairs to
the tefaws_onsot, ask the serv_e technician to
perform routine safety checks to determine that
the television is in safe operating con(lit=on.
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