Troubleshooting

English

Troubleshooting

Before calling an authorized service center, please check that the items below are properly connected or set.

In case of using a non-standard signal, please check the pin assignments and the signal timing of your adapter with the specifications outlined in sections "Pin Assignment Table" and "Preset Timing Chart" in chapter 4.

Problem	Items to check

No picture	Power Switch should be in the ON position and the power cord should be properly connected.
	Check the color of the power LED indicator; if it is orange, then the monitor is in a power
	saving mode.
	Check if the horizontal/vertical frequency are out of range.
	Maximize the Brightness and Contrast controls.
"No Signal Input" is displayed on	The video card should be completely seated in its slot.
the screen	The computer power switch should be in the ON position.
	The signal cable should be completely connected to the video card/computer.
Display image is not centered,	Change the Position and Size controls to adjust the image.
too small, or too large
Image is scrolling or unstable	The signal cable should be completely attached to the computer.
	Check the pin assignments and signal timings of the monitor and your video card.
Picture is fuzzy	Adjust the Contrast and Brightness Controls.
	Push the degauss button once.
	CAUTION: A minimum interval of 20 minutes should exist before the degauss button is pressed
	a second time when not switching between modes.
	Do not hold the button down continuously.
Picture bounces or a wave	Relocate electrical devices that may be causing electrical interference.
pattern is present in the picture	See the inside front cover of this manual for FCC information.

Edges of the display image are	Adjust the Pincushion control.
curved either inward or outward
Color looks blotchy	Press the Degauss button once.

No Plug & Play functionality	Check if the host system is Plug & Play compatible.
	Check if the VGA card is DDC 1/DDC 2B compatible.
	Check if Window '95 is installed and the software key for DDC function is enablnly.
	Check if original maker's detachable signal cable is being used(D-15 only). BNC cable does not
	support Plug & Play function as it does not convey the SCL (Signal Clock) and SDA (Signal Data)
	signal.

This Monitor is build-in Trinitron™ CRT. This CRT is very sensitive to shocks and vibrations that may occur during transportation. Following are some adjustment tips when below mentioned symptoms occur.

Symptom	Tip
One(15") or two(17")	This is normal charactristic of Trinitron CRT.
horizontal lines are visible on	These are damper wires which are attached to the apeture grille and
the screen	are designed to dampen and prevent which shock and vibration of the
	aperture grill.
Black fine vertical lines are	Degaussing the screen.
visible on the screen. Shock	Tap lightly (do not hit) the side of the monitor.
and vibration may cause the	If above mentioned remedies do not work, please do the following:
aperture grill misalligned,	1. Display full white window or wallpaper background over the area
which results few fine black	where the black lines appears.
vertical lines across the screen	2. Set Contrast and Brightness to the maximum, wait for a moment until
	the problem is corrected. You may try to tap lightly the side of the
	monitor to help the expedite of the alignment.

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