TROUBLESHOOTING (cont'd)
Reference
ProblemsPoints to be checkedMeasures (Remedy)
pages
Irregular colorIs the monitor placed or moved close toMove the device away from the monitor.
a speaker or any other devicePress the DEGAUSS button on the front panel to
incorporating a magnet?degauss the screen.4
Has the position of the monitor beenWhen degaussing, wait more than 30 minutes for
changed with the power on?maximum effect.
Wrong pictureHas the picture position, size orAdjust the picture size (H. SIZE, V. SIZE) or
position, wrongdistortion been changed?position (H. POSITION, V. POSITION) in the
picture size[SIZE/POSI. ADJ.] item in the <SETUP MENU>
screen.
Adjust the picture distortion (PINCUSHION, PIN.
BALANCE, TRAPEZOID and PARALLELOGRAM)21
MENU> screen.
It may not be possible to expand the picture due
to the selected input mode. In this case,
adjustment is impossible.
Have the UNDER SCAN or ASPECTWhen the UNDER SCAN or ASPECT button is
5
button been pressed?lit, press each button to invalidate each setting.
Front panelHas the CONTROL LOCK functionSet the CONTROL LOCK function to OFF.
22
buttons andbeen set to ON?
knobs do not
Has the monitorOs setting beenChange the setting of the external control to
function
changed to enable control from ancontrol the monitor locally.
23, 24
external unit via the REMOTE
terminals?
The following are not malfunctions:
I You may see two horizontal lines on the monitor. They are theI When a bright still image (such as a white cloth) is displayed for a
shadows of the Odamper lines� that are necessary for composinglong period, it may appear to be colored. This is due to the
the monitor. These lines are not a malfunction.structure of the cathode ray tube and will disappear when another
image is displayed.
I You may sometimes experience a mild electric shock when you
touch the picture tube. This phenomenon is due to a normal
buildup of static electricity on the CRT and is not harmful.
I The monitor emits a strange sound when the room temperature
Damper linechanges suddenly. This is only a problem if an abnormality
appears on the screen as well.
I If two or more monitors are operated next to each other, their
images may shake or be distorted. This phenomenon is due to
MUTINGDEGAUSSUNDERSCANCRPULSEOSSCOLOROFFSLOT 1SLOT 2SLOT 3POWER(Front view ofmutual interference; it is not a malfunction. Move the monitors
CHECKMARKERDT-V1910CG shown)away from each other until the interference disappears or turn theVOLUMEMENUSCREENSASPECTAREAABCINPUT SELECTDEF
power off on any monitor that is not being used.
I About CRT tube reflection (when Zoom mode is used.)
The screen might appear as brownish white. This is due to a
reflection of part of the image on the CRT caused by certain
signal sources, and it is not a malfunction.
When black vertical lines appear on the screen
Black vertical lines may appear on the screen if the aperture grill is tilted as a result of being shaken or jolted during shipment.
MUTINGDEGAUSSUNDERSCANPULSECROSSCOLOROFFSLOT 1SLOT 2SLOT 3POWERMUTINGDEGAUSSUNDERSCANPULSECROSSCOLOROFFSLOT 1SLOT 2SLOT 3POWERMUTINGDEGAUSSUNDERSCANPULSECROSSCOLOROFFSLOT 1SLOT 2SLOT 3POWER
VOLUMEMENUSCREENSCHECKASPECTMARKERAREAABCINPUT SELECTDEFVOLUMEMENUSCREENSCHECKASPECTAREAMARKERABCINPUT SELECTDEFVOLUMEMENUSCREENSCHECKASPECTAREAMARKERABINPUT SELECTCDEF
In this case, try tapping the monitor on the side. If this does get rid of the lines, follow the procedure below.
1. Display a white screen, so that the problem area can be seen clearly.
2. Maximize the OCONTRAST� and OBRIGHT� adjustments, then place a bright white rectangle on the area.
3. After a while, the lines should disappear.
26
LCT1424-001A_EN_p18-322611/4/03, 5:13 PM |
ACEC
