Mitsumi electronic 738 Series, 838 Series manual Home Network Symptom Remarks

Appendices95

Appendix E: Troubleshooting, continued

Home Network

	Symptom	Remarks
1.	I cannot connect the TV to the	Go to the Setup > Network menu. Obtain the TV MAC address and
	network.	provide it to the router.
2.	I plugged in a wireless USB adapter,	The network may be locked. Go to Setup > Network. Highlight the
	but the wireless connection is not	network name and supply the pass code.
	working.
3.	The INTERNET key only goes to VUDU.	Normal operation. The TV receives all internet services through VUDU
		Apps. The TV does not provide full internet access as does a web
		browser on a computer.
NetCommand IR Control (NetCommand-equipped models only)
Symptom			Remarks
1.	NetCommand unable to learn specific device		• A/V Device does not use IR format for remote control
	keys.		signal. ITT and RF formats cannot be learned.
			• Room lighting may affect the signal. Have the remotes very
			close (6 inches or less) to the TV during Learning.
			• Some, but not all, device key functions can be learned
			by NetCommand. For example, POWER and PLAY may be
			learned, but other functions may not.
			• The signal from the remote control may not be strong
			enough. Insert fresh batteries and try Learning again.
			• The key was “learned” correctly but can be accessed only
			from the Tools menu.
2.	The A/V receiver is the selected audio source		A/V Receiver Set Up for Audio and Video Switching over HDMI
	but there is no sound.		-- 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 and the
			correct key has been “learned.”
			-- 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.
3.	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
	connected to the A/V receiver; the A/V		A/V receiver’s IR codes for the device inputs. See “Automatic
	receiver should be sending video to the TV		Audio/Video Switching Over an HDMI Connection,” page 70.
	over an HDMI cable.
	(A/V Receiver Set Up for Audio and Video
	Switching over HDMI)
4.	I’ve selected my DVD player or other sur-		A/V Receiver Set Up for Audio and Video Switching over HDMI
	round sound device in combination with the		With your DVD player connected to the A/V receiver, only video
	TV speakers but hear no sound from the TV		is passed from the A/V receiver to the TV because of copy-
	speakers.		protection restrictions on the HDMI signal
5.	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 VCR/		your cable box or satellite receiver.
	DVR did not record anything.

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