NEC NLT-15 Computer Monitor User Manual


 
24
Product Spec.
Model NLT-15
Main body
Horizontal size 455 mm Thickness 210 mm
Height 405 mm Weight 6.3 kg
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 751
Audio output 1.5W + 1.5W
Speaker 81 X 2
External input ports
• A/V IN • PC IN • S-VIDEO IN
• PC Audio IN • COMPONENT IN
• DC 12V IN • Antenna 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.
25
Troubleshooting
No picture on screen and no sound
from speakers.
No picture/No picture from AV
terminal.
Picture is displayed, but no sound
from the speakers.
Picture is too light.
Picture is too dark.
Remote control does not work.
The TV picture is not sharp.
The TV picture moves.
The TV picture is doubled/tripled
(Ghosting)
The TV picture is spotted.
Power button does not respond.
There are stripes on the screen or
colors fade.
• Insert the AC power cord plug securely in AC power
outlet.
• Make sure the LCD TV is not in the standby mode
(The POWER/Standby indicator is red.)
• Check the brightness setting of the display.
• Lamp may have malfunction.
• Check the sound setting.
• Make sure the sound is not muted.
• Make sure the connectors of the optional speaker
system are securely inserted.
• Make sure COLOR and CONTRAST settings.
PC image not centered. • Check the horizontal/vertical position setting.
PC image not clear or has stripes.
• Check Clock and phase settings.
Try using ‘Auto’ function setting.
• Make sure BRIGHTNESS setting is not set too low.
• Check to see if BRIGHTNESS setting.
• Lamp may have malfunction.
• Change the batteries.
• Make sure the infrared transmitter window is not
receiving strong light such as light from fluorescent
lamps.
• 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.
• Make sure the antenna is facing the right direction.
•There may be reflected electric waves from
mountains or buildings.
• Unplug the power cord of the adaptor from the AC
outlet to turn off and reset the unit.
• 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.
Check item
Problem