Appendices83

Appendix E: Troubleshooting, continued

NetCommand IR Control (L75-A91)

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 “Case 2: Automatic A/V Receiver Switching to a Sur-

 

the A/V receiver’s DVD input or other input.

round Sound Device,” page 59, and perform A/V receiver setup

 

(A/V Receiver Set Up for Audio-Only Switch-

for a digital surround sound 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 60.

 

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.

 

 

 

 

 

 

In the U.S. call 1(877) 675-2224 for assistance.

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Mitsubishi Electronics L75A81, L75-A91 manual Appendices83