82Appendices

Appendix E: Troubleshooting, continued

Sound

 

Symptom

Remarks

2.

The sound does not match the screen

The TV’s “Listen to:” setting may be set to SAP (analog program from

 

picture.

the ANT input).

 

 

 

3.

The sound from my A/V receiver does

• Check that DIGITAL AUDIO OUTPUT and/or AVR AUDIO

 

not match the screen picture (I should

OUTPUT 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 input, a device (such as a

 

 

camcorder) connected to the convenience panel, 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 Activity menu.

Input Sensing and make the audio device selectable in the Activity

 

 

menu.

 

 

 

5..

Sound is coming from the TV speakers

Disconnect headphones. Connect the TV’s AUDIO OUT to the A/V

 

instead of the A/V receiver.

receiver and select AV Receiver from the New Device Found screen.

 

 

 

NetCommand IR Control (L75-A91)

Symptom

Remarks

 

 

 

1.

Cannot see the menu from the A/V Receiver.

A/V Receiver Set Up for Audio-Only Switching

 

 

The A/V Receiver is not connected to any video input of the

 

 

TV. To check the A/V Receiver menu, temporarily plug into

 

 

an unused input of the TV, such as Input 3. Exit the New

 

 

Device Found screen and select Input 3 from the Activity

 

 

menu. Press MENU on the A/V receiver’s remote control.

 

 

A/V Receiver Set Up for Audio and Video Switching over

 

 

HDMI

 

 

Use the MENU key on the A/V receiver’s remote control.

 

 

A/V Receiver with HDMI Control

 

 

Switch the remote control to AUDIO mode. Press the

 

 

MORE key and then 1 (Menu).

 

 

 

2.

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.

 

 

• If learning a Mitsubishi remote control, make sure mode is

 

 

not set to TV.

 

 

• 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.

 

 

 

In Canada call 1(800) 450-6487 for assistance.

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Mitsubishi Electronics L75A81 NetCommand IR Control L75-A91 Symptom Remarks, Receiver Set Up for Audio-Only Switching