Mitsumi electronic 838 Series, 738 Series Appendix E: Troubleshooting, continued, 94Appendices

94Appendices

Appendix E: Troubleshooting, continued

7.	A color program appears as a black and		• If using component video, check that the red, green, and
	white image, or the colors are dim, or the		blue input cables are correctly connected to the red, green,
	screen is black.		and blue component video jacks.
			• If using composite video, check that the incoming cable is
			connected the TV’s green Y/VIDEO jack.
			• 838 Series. The PerfectColor color balance has been incor-
			rectly set. Reset the PerfectColor balance.
8.	Picture from an HDMI input is noisy (poor		• Compare the picture to the TV’s test picture (Picture >
	quality).		Picture+ > Test Picture) to check if the noise is internal or
			external to the TV.
			• Upgrade a Category 1 (unmarked) HDMI cable to a newer
			type of high-speed HDMI cable.
9.	The image from a computer appears dis-		• Normal TV operation. The TV does not correct distortion in
	torted when viewed on the TV.		the picture from a computer because the correction process
			may cut off the edges of the image.
			• The aspect ratio may be wrong for the image. Press FORMAT
			to change.
Sound
	Symptom	Remarks
1.	There is no sound even when the	• Check if the MUTE key is on.
	volume is turned up.	• The TV’s analog Listen to setting may be set to SAP (analog
			program from the ANT input) but no SAP is being broadcast.
		• Check that the Sound > Audio > TV Speakers option is set to On
			to hear sound from the TV speakers. Possibly the TV Speakers
			option is Off or set to Center but there is no A/V receiver con-
			nected.
		• If using an A/V receiver, check that the Sound > Audio > TV
			Speakers option is set to Off to hear sound from the A/V receiver
			speakers.
		• Press and hold the POWER button on the control panel for 10
			seconds to perform System Reset.
		• The language selected in the Setup > Antenna Digital Audio
			menu is not being broadcast for the current program.
2.	The sound does not match the screen	The TV’s analog Listen to setting may be set to SAP (analog program
	picture.	from the ANT input).
3.	The sound from my A/V receiver does	• Check that DIGITAL AUDIO OUTPUT and/or AUDIO/SURROUND
	not match the screen picture (I should		OUTPUT on TV’s connection panel is connected to the A/V
	hear the correct audio from my A/V		receiver.
	receiver).		Without this connection, devices connected only to the TV (and
			not the A/V receiver) can be heard only from the TV speakers.
			Note that this includes the ANT input, a device (such as a
			camcorder) connected to the TV, and any other device sending
			audio to the TV only.
		• If using a NetCommand-controlled A/V receiver, NetCommand
			may be selecting the wrong A/V receiver audio input. Check the
			A/V receiver’s NetCommand setup in the Inputs > AVR menu.
4.	Cannot select an audio-only device; it	Plug an unused video plug into the Y/VIDEO jack to activate Auto
	does not appear in the Input Selection	Input Sensing. Assign the name CD/Audio or MP3 to make the
	menu.	audio device selectable in the Input Selection menu.
5..	Sound is coming from the TV speakers	• Connect the TV’s AUDIO OUT to the A/V receiver.
	instead of the A/V receiver.	• Change TV Speakers setting to Off or Center.

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