Mitsubishi Electronics WD-57833 General TV Operation Symptom Remarks, TV Channels Symptom Remarks

Appendices 83

Appendix E: Troubleshooting, continued

General TV Operation

	Symptom	Remarks
1.	A fan is running even while the TV is powered	The room is too warm. When the TV is off, internal components
	off.	continue to draw power and must be cooled by the fan.
2.	The TV remote control does not work.	• Check that the batteries are fresh and installed correctly.
		• Check that the slide switch on the remote is set to TV.
		• Be no more than 20 feet from the TV when using the remote
			control.
		• Program the remote control to operate the TV or other
			device.
		• Reset the remote control.
3.	When I try to use the remote control, the	Replace the batteries.
	POWER key blinks five times.
4.	TV does not respond to the remote control or	Use the System Reset button.
	to front panel control and TV will not power
	on or off.
5.	When a device is selected from the Input	• Make sure the selected device is turned on.
	Selection menu, the screen is blue (no signal	• Begin play of the VCR.
	source).
6.	You have forgotten your Lock menu pass code.	See Appendix C, Bypassing the Parental Lock.
7.	Rating restrictions are not working.	Open the Parental Lock menu and:
		• Verify that the U.S. Ratings or Other Ratings setting is On.
		• Check the Lock Time/Unlock Time to check if rating restric-
			tions are disabled.
		• Rating restrictions apply only to content on ANT 1 and ANT
			2, INPUT 1–3, IEEE 1394 A/V disc and DVCR.
8.	On-screen displays appear each time you	Normal TV operation.
	change a function.
9.	A warning message appeared on screen	•	Room temperature has exceeded proper levels. Cool the
	stating, “TV will shut down in a few seconds.		room.
	Please check if the air flow is blocked.”	•	The TV has overheated. Clear blocked air vents and ensure
			at least four inches of clearance on all sides of the TV.
		• Clean the air filter on the lamp cartridge.
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 a entering 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 CH  / .

•Be sure the channel you want to view is in memory. See Setup > Scan in chapter 5, “TV Menu Settings.”

•Check that the TV is switched to the correct device or antenna for that channel by pressing the INPUT button.

•Make sure Channel Lock is off.

•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 physical channel number used by the broadcaster. The virtual channel will then be automatically added to memory.