Mitsubishi Electronics WD-57833 manual TV Power On/Off Symptom Remarks, Picture Symptom Remarks

84Appendices

Appendix E: Troubleshooting, continued

TV Channels

		Symptom	Remarks
	3.	Name options are not available for some	You can name only memorized analog channels and memorized
		channels.	digital channels not named by the broadcaster.
	4.	When ChannelView list is displayed, informa-	• Available information is sent from the broadcaster or cable
		tion appears incomplete		provider. No other data is available.
			• Make sure the TV clock is set correctly.
	TV Power On/Off
		Symptom	Remarks
	1.	TV takes an excessively long time to power	• When switched on, the TV needs time to boot up, just
		on.		as a computer does. Also, the TV’s lamp requires a few
				moments to heat up to full brightness.
			• TV Energy Mode is set to Low Power. Change TV Energy
				Mode to Fast Power On in the Setup menu.
	2.	You cannot program the TV to turn on auto-	• The TV may be locked.
		matically (Timer function)	• The clock may not be set.
			• TV Energy Mode is set to Low Power. Change to Fast
				Power On in Setup menu.
	3.	The TV will not turn on after being plugged in.	If light on front panel is blinking, wait for at least one minute for
			the light to turn off, then press POWER again.
	4.	TV turned itself off and the light on the front	• Momentary power fluctuation caused the TV to turn off to
		panel started to blink.		prevent damage. Wait for the green light to stop flashing
				and turn the TV on again.
			• If the TV does not stay on, use the System Reset button on
				the front panel. If this happens frequently, obtain an AC line
				power conditioner/surge protector.
			• An unusual digital signal may have been received, triggering a
				protection circuit. Wait for the light to stop flashing and turn TV
				on.
	5.	TV turned itself off and the STATUS is a	•	The TV has overheated. Clear blocked air vents and ensure
		steady yellow.		at least four inches of clearance on all sides of the TV.
			• Clean the lamp-cartridge air filter. See Appendix B.
	6.	TV will not power off.	Use the System Reset button.
	Picture
		Symptom	Remarks
1.		Picture does not look like a high-definition	Not all signals are high-definition signals. To receive high-defini-
		picture.	tion programming from your cable or satellite provider, you must
			subscribe to the provider’s high-definition service. Some over-
			the-air broadcasts are in high-definition and can be received with
			a high-quality antenna suited to your location.
2.		Picture has become dimmer.	•	The lamp is nearing the end of its life. Order a new lamp.
				See Appendix B for ordering information and replacement
				instructions.
			• Adjust picture brightness and contrast to maximum levels.
			• Change Lamp Mode from Standard to Bright.
3.		There is a large black or gray rectangle on	The TV’s analog closed captioning has been set to “text” mode
		the screen.	in the Captions menu. Turn off because there is no text infor-
			mation being broadcast.