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38
Troubleshooting (Continued)
Antenna
Problem
The picture is not sharp.
The picture moves.
The picture is doubled or tripled.
The picture is spotted.
There are stripes on the screen
or colors fade.
■ Cautions regarding use in high and low temperature environments
• When the unit is used in a low temperature space (e.g. room, office), 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: –4°F to +140°F (–20°C to +60°C)
Check item
• The reception may be weak.
• The quality of the broadcast may also be bad.
• Make sure the antenna is facing the right direction.
• Make sure the outside antenna is connected.
• 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 AC cord. Try
positioning them further apart.
• Is the unit receiving interference from other devices?
Transmission antennas of radio broadcasting stations, transmission anten-
nas of amateur radios and cellular phones may also cause interference.
• Use the unit as far apart as possible from devices that may cause possi-
ble interference.
Specifications
Items
LCD panel 20" Advanced Super View & BLACK TFT LCD
Number of dots 921,600 dots VGA
Video color systems N358, N443, PAL, PAL-M, PAL-N, SECAM, PAL-60
TV Standard (CCIR) NTSC/PAL-M/PAL-N
TV function
TV Tuning System PLL 181 ch.
STEREO MTS+SAP
CATV 125 ch.
Y/C FILTER 3D Y/C FILTER
Brightness 450 cd/m
2
Lamp life (Fluorescent lamp) 60,000 hours*
Viewing angles H: 170° V: 170°
Audio amplifier 2.1 W × 2
Speakers 1
37
/
64
× 4
21
/
64
in. (4 × 11cm), 2 pcs.
INPUT1 AUDIO-IN, COMPONENT-IN
INPUT2 AUDIO-IN, VIDEO-IN, S-VIDEO-IN
Terminals INPUT3/OUTPUT AUDIO-IN, VIDEO-IN / AUDIO-OUT, VIDEO-OUT
Antenna F-Type
Headphone Mini-jack for stereo (ø3.5 mm)
OSD language English/Spanish/French
Power supply DC 12V, AC 110-240V, 50/60Hz (AC adapter), AC 110-125V (AC cord)
Power consumption 73 W (0.15 W standby): AC 120V
63 W: DC 12V
Weight 15.2 lbs. (6.9 kg) w/o accessories
* Typical time for power output decrease of about one-half assuming continuous use in a room with normal lighting, normal brightness and
temperature at 77°F/25°C
Dimensional Drawings
• The dimensional drawings for each model are shown on the inside back cover.
■ As a part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improve-
ment without prior notice. The performance specification figures indicated are nominal values of production units. There may be some
deviations from these values in individual units.
Model
LC-20S4U
LC-20S4U_E_P35-40.p65 04.12.8, 7:23 PM38
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