Mitsubishi Electronics LT-46249, LT-40153, LT-46151, LT-46153, LT-40151, LT-52249 manual Appendices87

Appendices87

Appendix E: Troubleshooting, continued

NetCommand IR Control (NetCommand-equipped models only)

Symptom		Remarks
3.	The A/V receiver is the selected audio source	• A/V Receiver Set Up for Audio-Only Switching
	but there is no sound.	--	Check to see if the A/V Receiver power is turned on.
		--	With A/V receiver power turned on, redisplay the Activ-
			ity menu and press ENTER to allow NetCommand to
			correctly select the A/V Receiver input.
		--	Incorrect setup in the Inputs > AVR menu. Check the
			device connection assigned in the AVR menu.
		• A/V Receiver Set Up for Audio and Video Switching over HDMI
		--	Check to see if the A/V Receiver power is turned on.
		--	If the device is connected only to the TV (e.g., on ANT
			or a front panel input), verify that the TV’s AUDIO
			OUTPUT is connected to the A/V receiver.
		--	The A/V receiver is not switching properly because
			you have not learned the IR codes for the A/V receiver
			inputs to which your devices are connected.
4.	There is no sound from the A/V receiver	NetCommand A/V receiver setup for the DVD player or digital
	for my DVD player or other surround sound	surround sound device or other device is not switching prop-
	device even though I learned the IR code for	erly. See “Automatic Switching (Audio or Audio/Video),” page
	the A/V receiver’s DVD input or other input.	63, and perform A/V receiver setup for a digital surround sound
	(A/V Receiver Set Up for Audio-Only Switch-	device.
	ing)
5.	There is no sound or picture from the A/V	The NetCommand A/V receiver setup is not switching audio
	receiver for my DVD player or other device	and video inputs properly because you did not “learn” the A/V
	connected to the A/V receiver; the A/V	receiver’s IR codes for the device inputs. See “Case 3: Auto-
	receiver should be sending video to the TV	matic Audio and Video Switching via HDMI,” page 65.
	over an HDMI cable.
	(A/V Receiver Set Up for Audio and Video
	Switching over HDMI)
6.	I’ve selected my DVD player or other sur-	• A/V Receiver Set Up for Audio-Only Switching
	round sound device in combination with the	If you have only an audio connection from the device to the
	TV speakers but hear no sound from the TV	A/V receiver, a physical audio connection from the device
	speakers.	to the TV is also required.
		-- Connect the left and right audio output from the device
			to the appropriate TV audio input. Now you can hear
			audio from the device through either the TV speakers or
			the A/V receiver.
		-- To switch audio sources, press MORE 9 (Audio), press
			to show the Speakers option, then press to
			select AV Receiver or TV.
		• A/V Receiver Set Up for Audio and Video Switching over HDMI
		With your DVD player connected to the A/V receiver, only
		video is passed from the A/V receiver to the TV because of
		copy-protection restrictions on the HDMI signal
7.	I “learned” the RECORD key for my VCR/DVR	Check that the VCR or DVR is receiving a signal directly from
	but when I pressed the RECORD key, the	your cable box or satellite receiver.
	VCR/DVR did not record anything.

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