Mitsubishi Electronics FFT9905SKJHFW Troubleshooting, Problem Items to Check Location, Led, Bnc

5 TROUBLESHOOTING

Before calling your Authorized Product Support, 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 computer with the specification outlined in SPECIFICATION 6 and APPENDIX 7.

	PROBLEM		ITEMS TO CHECK		LOCATION
		LED	• Contrast and brightness controls.	•	Front (Adjust to the
		On-Green			maximum brightness or
					push the reset button)
		LED	• Power switch.	•	Front
No		Off	• AC power cord disconnected.	•	Rear
picture			• Signal cable disconnected.	•	Rear
			• BNC cables are misconnected or the green	•	Check the graphics
		LED	cable is disconnected.	•	adapter and cables
		On-Amber	• Computer power switch.		Computer
			• Power management function is active.	•	Check the power manage-
					ment function. (see P23)
			• BNC cables are misconnected.	•	Rear
		Un-stable	• Input signal frequency range is disagreement.	•	Check the specification of
			CGA MODE is not available.		graphics adapter and
		picture
Abnormal			MDA MODE is not available.		monitor
			EGA MODE is not available.
picture
		No green	• BNC cables are misconnected.	•	Rear
		color with	(Green and composite sync. connection is
		BNC	reversed)
			• Adjust H.SIZE, V.SIZE, H.PHASE, and	•	Front (OSD)
			V.POSITION with non-standard signals	•
	Display is missing,		• Monitor may not be able to get full-screen image		Front (OSD)
			depend on signal. In this case, please select other
	center shifts, or		resolution, or other vertical refresh timing.
	too small or too
			• Make sure you wait a few seconds after adjusting
	large of a display
			the size of the image before changing or discon-
	size
			necting the signal or powering OFF the monitor.
	Display is not stable		• BNC cables are misconnected.	•	Rear
	Display is dark		• Input video signal level select is not at the	•	Front (OSD)
			appropriate position for your graphics adapter
	or too bright
			output.(0.7V or 1.0Vp-p)

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