Troubleshooting - NEC NLT-15 Owner's Manual

15.1" lcd color tv/ monitor
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Product Spec.
Model
NLT-15
Horizontal size 455 mm
Main body
Height
Power requirements
DC 12V/3.0A
Television system
PAL/SECAM-B/G, I, D/K /NTSC-M
Television programnme
VHF: 2~13 UHF :14~69 Cable : 01~125
Display Panel
LG Philips LCD 15.1" TFTLCD panel
Power consumption
45W
External antenna impedance 75
Audio output
1.5W + 1.5W
Speaker
8 X 2
• A/V IN
External input ports
• PC Audio IN
• DC 12V IN
AC Power Adaptor
AC 100-240V, 50/60Hz, Output:12vdc, 3.0A
• Although the LCD panel uses highly precise technology, it may display blank pixels,
dark spots or lighting pixels on the screen. This is normal and not an indication of a
defect.
• Technical specifications are subject to change without notice.
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Thickness
210 mm
405 mm
Weight
6.3 kg
• PC IN
• S-VIDEO IN
• COMPONENT IN
• Antenna IN

Troubleshooting

Problem
Check item
• Insert the AC power cord plug securely in AC power
No picture on screen and no sound
outlet.
from speakers.
• Make sure the LCD TV is not in the standby mode
(The POWER/Standby indicator is red.)
• Check the brightness setting of the display.
No picture/No picture from AV
terminal.
• Lamp may have malfunction.
• Check the sound setting.
• Make sure the sound is not muted.
Picture is displayed, but no sound
from the speakers.
• Make sure the connectors of the optional speaker
system are securely inserted.
Picture is too light.
• Make sure COLOR and CONTRAST settings.
• Make sure BRIGHTNESS setting is not set too low.
Picture is too dark.
• Check to see if BRIGHTNESS setting.
• Lamp may have malfunction.
• Change the batteries.
• Make sure the infrared transmitter window is not
Remote control does not work.
receiving strong light such as light from fluorescent
lamps.
• The reception may be weak.
The TV picture is not sharp.
• The state of the broadcast may also be bad.
The TV picture moves.
• Make sure the antenna is facing the right direction.
• Make sure the outside antenna is not disconnected.
• Make sure the antenna is facing the right direction.
The TV picture is doubled/tripled
• There may be reflected electric waves from
(Ghosting)
mountains or buildings.
• There may be interference from automobiles, trains,
high voltage lines, neon lights, etc.
The TV picture is spotted.
• 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
There are stripes on the screen or
and transmission antennas of amateur radios and
colors fade.
cellular phones may also cause interference.
• Use the unit as far apart as possible from devices
that may cause possible interference.
• Unplug the power cord of the adaptor from the AC
Power button does not respond.
outlet to turn off and reset the unit.
PC image not centered.
• Check the horizontal/vertical position setting.
• Check Clock and phase settings.
PC image not clear or has stripes.
Try using 'Auto' function setting.
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