Sharp LC-20B2UA Operation Manual page 40
Lcd color television
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Also See for LC-20B2UA:
- Service manual (76 pages) ,
- Operation manual (46 pages) ,
- Operation manual (45 pages)
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TROUBLESHOOTING (Continued)
Antenna
1-----
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Problem
Check item
r-I
. . . . ·. . .
The pietu," is
~ not sharp.
• The reception may be weak.
• The state of the broadcast may also be bad.
• Make sure the antenna is facing the right direction.
• Make sure the outside antenna is not disconnected.
The picture
moves.
The picture is
doubled or
tripled.
• Make sure the antenna is facing the right direction.
• There may be reflected electric waves from mountains or
buildings.
• There may be interference from automobiles, trains, high
voltage lines, neon lights, etc.
• There may be interference between the antenna cable and
power cable. Try positioning them further apart.
• Is the unit receiving interference from other devices?
Transmission antennas of radio broadcasting stations and
transmission antennas of amateur radios and cellular phones
may also cause interference.
• Use the unit as far apart as possible from devices that may
cause possible interference.
The picture is
spotted.
There are
stripes on the
screen or
colors fade.
1-----
I
I
• Use in hot and cold rooms (locations)
• When the unit is used in a low temperature rooms (location). the picture may
leave
trails or appear slightly
delayed. This is not a malfunction, and the unit will
recover
when the temperature returns to normal.
• Do not
leave
the unit in a hot or cold location. Also, do not
leave
the unit in a location exposed to direct sunlight
or near a heater, as this may cause the cabinet to deform and the LCD panel to malfunction.
(Storage temperature: -20°C to +60°C)
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