Mitsubishi Electronics WD-73736 TV Channels Symptom Remarks, TV Power On/Off Symptom Remarks

76Appendices

Appendix D: 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 at least one and a half
			minutes 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 control 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 light 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 E.
	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 E 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.

Appendices 77

Appendix D: Troubleshooting, continued

Picture

	Symptom		Remarks
4.	You cannot view a picture when playing a		Check your VCR’s owner’s guide for further troubleshooting.
	VHS tape.
5.	VCR or DVD player’s on-screen menus jitter		Possible cause: Many VCRs and DVD players provide on-
	up and down.		screen menus at only half-resolution. These lower-resolution
			graphics may appear to jitter up and down when the TV con-
			verts them to high-definition graphics.
6.	When viewing a stopped VCR, white lines		• Turn off video mute for the VCR.
	are rolling on the screen.		• Begin playing the tape.
			• Change the VCR input to the antenna input.
7.	A color program appears as a black and		The PerfectColor color balance has been incorrectly set. Reset
	white image, or the colors are dim, or the		the PerfectColor balance.
	screen is black.
8.	Picture from an HDMI input is noisy (poor		Upgrade a Category 1 (unmarked) HDMI cable to a Category 2
	quality).		high-speed HDMI cable.
9.	The image from a computer appears dis-		Normal TV operation. The TV does not correct distortion in the
	torted when viewed on the TV.		picture from a computer because the correction process may
			cause the edges of the image to be cut off.
Sound (see also NetCommand troubleshooting for additional help with A/V receiver concerns)
	Symptom	Remarks
1.	There is no sound even when the	• Check if the MUTE button is on.
	volume is turned up.	• The TV’s “Listen to:” setting may be set to SAP.
		• Check that the Speakers option is set to TV to hear sound from the
			TV speakers.
		• If using an A/V receiver, check that the Speakers option is set to AV
			Receiver to hear sound from the A/V receiver speakers.
		• Perform a System Reset.
2.	The sound does not match the screen	The TV’s Listen to: setting may be set to SAP. See page 40.
	picture.
3.	The sound from my A/V receiver does	• Check that DIGITAL AUDIO OUTPUT and/or AVR AUDIO
	not match the screen picture (I should		OUTPUT on TV’s back panel is connected to the A/V receiver.
	hear the correct audio from my A/V		Without this connection, devices connected only to the TV (and
	receiver).		not the A/V receiver) can be heard only from the TV speakers.
			Note that this includes the ANT 1/ANT 2 inputs, a device (such
			as a camcorder) connected to the front panel, and any other
			device sending audio to the TV only.
		• Check A/V receiver input selection in the Inputs > AV Receiver
			menu. If NetCommand is set up incorrectly for the A/V receiver,
			see “A/V Receiver Control: Automatic Audio Switching,” page
		58.
4.	The sound from my A/V receiver does	• Check A/V receiver input selection in the Inputs > AV Receiver
	not match the screen picture (my source		menu. If NetCommand is set up incorrectly for the A/V receiver,
	device should be sending both audio		see “Setup to Control Automatic Video and Audio Switching via
	and video through the A/V receiver).		HDMI,” page 61.
		• The TV’s Listen to: setting may be set to SAP. See page 40.
5.	Cannot select an audio-only device; it	Plug a video plug into any composite VIDEO jack for the Auto Input
	does not appear in the Input Selection	Sensing screen to appear. See “Audio-Only Device,” page 24.
	Menu.