Hitachi 50EX20B Projection Television User Manual


 
SAFETY TIPS - 5 -
• Never expose the television to rain or water. If the set has been exposed to rain or water, unplug the set from
the wall outlet and refer servicing personnel.
13 Choose a place where light (artificial or sunlight) does not shine directly on the screen.
14 Avoid dusty places, since accumulated dust inside the chassis may cause failure of the set when high humidity
persists.
15 The television has slots, or openings in the cabinet for ventilation purposes, to provide reliable operation of the
receiver, and to protect from overheating. These openings must not be blocked or covered.
• Never cover the slots or openings with cloth or other material.
• Never block the bottom ventilation slots of the set by placing it on a bed, sofa, rug, etc.
• Never place the set near or over a radiator or heat register.
• Never place the set in a "built-in" enclosure, unless proper ventilation provided.
PROTECTION AND LOCATION OF YOUR SET
16-1 If an outside antenna is connected to the television set, be sure the antenna system is protected against
voltage surges and built up static charges, Section 810 of the National Electrical Code, NFPA No. 70-1975,
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, location of antenna discharge unit, connection
to grounding electrode, and requirements for the grounding electrode.
ANTENNA GROUNDING DIAGRAM AS PER NATIONAL ELECTRICAL CODE INSTRUCTIONS .
16-2 Note to CATV system installer: (Only for television with CATV reception) This reminder is provided to call
the CATV system installer's attention to Article 820-40 of the NEC that provides guidelines for proper 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.
17 An outside antenna system should not be located in the vicinity of overhead power lines or other electrical
lights 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.