Mitsubishi Electronics 246 Series, 148 Series manual Symptom Remarks

Appendices 87

Appendix F: Troubleshooting, continued

Picture
	Symptom		Remarks
3.	You cannot view a picture when playing a		Check your VCR’s owner’s guide for further troubleshooting.
	VHS tape.
4.	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.
5.	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.
6.	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.
7.	Picture from an HDMI input is noisy (poor		• Try using a different HDMI cable.
	quality).		• If the signal is 1080p, upgrade a Category 1 (unmarked)
			HDMI cable to a Category 2 high-speed HDMI cable.
8.	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
			cut off the edges of the image.
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:” audio 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.	I set the Speakers option to AV	Make sure the A/V receiver is connected to one of the TV’s audio
	Receiver, but hear sound from the TV	outputs (AVR AUDIO OUTPUT or DIGITAL AUDIO OUTPUT).
	speakers instead of the A/V receiver.
3.	The sound does not match the screen	The TV’s Listen to: setting may be set to SAP. See page 42.
	picture.
4.	The sound from my A/V receiver does	• Check that DIGITAL AUDIO OUTPUT and/or AVR AUDIO OUTPUT
	not match the screen picture (I should		on TV’s main 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 convenience jacks, and any other
			device sending audio to the TV only.
		• Check A/V receiver input selection in the Inputs > AVR menu. If
			NetCommand is set up incorrectly for the A/V receiver, see “A/V
			Receiver Control: Automatic Audio Switching,” page 61.
5.	The sound from my A/V receiver does	• Check A/V receiver input selection in the Inputs > AVR menu.
	not match the screen picture (my source		If NetCommand is set up incorrectly for the A/V receiver, see
	device should be sending both audio		“Setup to Control Automatic Audio and Video Switching via
	and video through the A/V receiver).		HDMI,” page 64.
		• The TV’s Listen to: setting may be set to SAP. See page 42.
6.	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 28.
	Menu.