Mitsubishi Electronics 73 manual Problem Items to Check Location, Large of a display Size

Before calling your Authorized Product Support, please

5check that the items below are properly connected or set. TROUBLESHOOTING In case of using a non-standard signal, please check the pin assignments and the signal timing of your computer

with the specification outlined in Section 6. SPECIFICA-

TIONS.

	PROBLEM			ITEMS TO CHECK		LOCATION
		LED On •		Contrast and brightness controls	•	Front (OSD)
		(Green)
		LED Off	•	Power switch	•	Front
			• AC power cord disconnected		•	Rear
No		LED On	•	Signal cable disconnected	•	Rear
			•	Computer power switch	•	Computer
picture		(Orange)
			•	Power management function is active.	• Press any key on the keyboard
						or move the mouse.
			•	Power switch	•	Front

LED Blinking (Orange)

Due to fine dusts existing in the inside of CRT, a discharge may occur at the CRT. When the discharge occur, the monitor may turn off automatically. This is by an internal protection circuit operated and it is to avoid electrical components broken.

		•	Press "-" and "+" button together, to restore to the factory	•	Front (OSD)
	Display is miss-		preset.	•	Front (OSD)
		•	Adjust Horizontal size, Vertical size, Horizontal position,
	ing, center shifts,		and Vertical position with non - standard signals.
	or too small or too
		•	Monitor may not be able to get full-screen image depend on
	large of a display
	size		signal. In this case, please select other resolution, or other
			vertical refresh timing.
		• Make sure you wait a few seconds after adjusting the size
			of the image before changing or disconnecting the signal.
		• Thin vertical black lines on one or both sides of the
picture	on the screen.	•	screen. This minor condition is caused by grille element
			Position an open white window over the affected area of
	Black vertical		overlap which can occur during shipping.
Abnormal	lines are visible
			the screen and maximize the brightness and contrast
			controls. This will cause localized heating of the overlap
			which will clear in a few minutes. Be sure to readjust the
			brightness and contrast controls back to the normal
			viewing levels after this procedure.

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