NEC L234GC manual Check to see that the signal cable is properly Connected, Phase next. RGB input

Page 32

Troubleshooting continued

Symptoms

If the solution does not correct the symptoms, please contact your local Service center for assistance.

WARNING

DO NOT OPEN THE MONITOR.

Self servicing can be hazardous. There are no user serviceable parts inside and opening or removing covers may expose you to dangerous shock hazards or other risks. Refer all servicing to qualified personnel.

Symptom

 

 

 

Point to check

 

See Page

 

 

 

 

 

 

 

 

 

 

There is no picture and the power-indicating lamp

 

Check to see that the power cable is

properly

11

is off.

 

connected.

 

 

 

 

 

Press the main switch.

 

 

 

 

 

 

 

The message “No cable connected” or “Going to

 

No sync signal is detected.

 

 

sleep” is displayed.

 

Check that the signal cable is properly connected.

 

 

 

 

There is no picture and the power indicating lamp

 

Make sure that the computer, imaging equipment,

 

lights orange.

 

 

 

etc., is turned on.

 

 

 

 

 

 

 

 

Make sure the computer is not in power-save mode.

 

 

 

Ensure that the input selection matches the

 

 

 

connection terminal.

 

 

 

 

 

 

 

The message “Invalid Mode.” is displayed.

 

An input signal is received abnormally.

 

32

 

 

Ensure that the input signal matches the monitor

 

 

 

specifications.

 

 

 

 

Check to see that the signal cable is properly

 

 

 

connected.

 

 

 

 

 

 

 

 

 

 

The power indicating lamp is lit normally but there

 

Check

the

contrast and brightness

settings

13

is no picture.

 

(adjust them for higher contrast and brightness).

 

 

 

 

Check to see that the signal cable is properly

 

 

 

connected.

 

 

 

 

 

 

 

 

 

 

The display image appears slanted.

 

Adjust

the

clock frequency and the

phase.

14

 

 

(Adjust the clock frequency first, the dot clock

Text displayed across the screen appears

 

 

 

phase next.) (RGB input)

 

 

vertically streaked, with the characters in vertical

 

 

 

 

 

 

 

 

 

columns blurred.

 

 

 

 

 

 

 

 

 

 

Text displayed across the screen appears blurred.

 

Adjust the clock phase till the desired clarity is

14

A fine pattern flickers when displayed on the

 

obtained.

 

 

 

 

 

 

screen.

 

(RGB input)

 

 

 

 

 

 

 

The remote control does not work.

 

Ensure that the batteries in the remote control are

5

 

 

inserted with the correct polarity.

 

 

 

 

Check to see that the batteries in the remote

 

 

 

control are functional.

 

 

 

 

 

 

 

 

 

30

Image 32
Contents LCD2335WXMTM Index Important Information Canadian Department of Communications Compliance StatementCleaning the Cabinet Safety Precautions, Maintenance & Recom- mended UseCleaning the LCD Panel Contents Component Names and Functions Main UnitFront view of main body Rear view of main bodyRemote Control Open the battery coverInstalling the batteries Close the battery coverRemote Control SourceInstallation Instructions Viewing Angle AdjustmentDetaching Main Body From Its Stand Interface for Arm ApplicationsConnecting to a Antenna / Cable Precautions when connecting the antennaWhen both VHF and UHF antennas are combined VHF300-Ohm antenna / UHF antennaSub Remarks Connecting to a Video ComponentsTerminal Connecting to a PC Prevention of Screen BurnTurning Power On and Off Power Operation LampPower lamp Operating InstructionsAudio Mute Volume AdjustmentSelecting AV Inputs Selected Setup hint Characters Picture ParametersAudio Setting PC ParametersFine Tune setting Channel SettingAuto Program setting Channel Edit setting Aspect mode Select 43 and 169 aspect mode There are 4 selectionsPanoramic CinemaSelected Setup hint Picture-in-PicturePicture in Picture Selecting PIP sizeSource PIP Large PIP Position Small Medium PBPSetting Up PIP through On Screen Main Menu MainSelect PIP size Select PIP SourceMulti PIP PICTUREIN PictureChange PIP Position Other Functions Mono and SAP 2nd Audio program sound programStereo sound Stereo and SAP 2nd Audio program sound programParental Controls Mpaa RatingTV PG Rating Motion Picture Ratings ChartMpaa Rating TV Parental Guide Ratings Chart General Setting Captions Menu TEX1---TEXT2BOX ShadowFeatures Troubleshooting NopictureCheck to see that the signal cable is properly Connected Check Contrast and brightness SettingsAdjust them for higher contrast and brightness Phase next. RGB inputSymptom Point to check Symptoms Symptom Possible reason RemedyNEC-MitsubishiMonitorCustomerService&Support ReferencesSpecifications PC InputLimited Warranty TCO’99 TCO’99 DeclarationoftheManufacturer NEC LCD2335WXM