Mitsubishi Electronics LT-40151, LT-40153 manual Appendix E Troubleshooting, continued, Appendices

Appendices 81

Appendix E: Troubleshooting, continued

TV Channels

	Symptom	Remarks
1.	The TV takes several seconds to respond to	• It is normal for digital channels to take longer to tune in.
	channel changes.	• Press ENTER after entering a channel number to avoid
		delays.
		• Use a 4-digit number for an over-the-air digital channel.
		• Use a 6-digit number for digital cable channels if your cable
		service is able to recognize 6-digit channel numbers.
2.	You cannot access a channel.	• Use number keys instead of CHANNEL Up/Down.
		• Be sure the channel you want to view is in memory.
		• Check that the TV is switched to the correct device or
		antenna for that channel by pressing the ACTIVITY key.
		• Make sure the Lock > Parent menu lock is set to Off.
		• If you cannot tune to a virtual digital channel even though the
		TV has already memorized digital channels, tune to the physi-
		cal channel number used by the broadcaster. The virtual
		channel will then be automatically added to memory.
		• You may be trying to tune to an analog channel that is no
		longer broadcasting.
3.	When ChannelView list is displayed, informa-	• Press INFO to update the display for the highlighted channel.
	tion appears incomplete	• Program information is displayed only for the currently tuned
		channel.
		• Available information is sent from the broadcaster or cable
		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 powered on, the TV needs time to boot up, just as
	on.	does a computer.
		• For faster power-up, change the Energy setting to Fast
		Power On (Initial > Energy menu). With this setting the TV’s
		power usage when off exceeds ENERGY STAR® recom-
		mended levels for a powered-down device.
2.	You cannot program the TV to turn on auto-	• The TV may be locked.
	matically (Timer function)	• The clock may not be set.
3.	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, press the POWER button on the
		control panel for at least eight seconds to perform System
		Reset. 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.
4.	TV will not power off.	Press the POWER button on the control panel for ten seconds
		to perform System Reset.