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82 Appendices
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Appendix E: Troubleshooting, continued
Sound
Symptom Remarks
2. The sound does not match the screen
picture.
The TV’s “Listen to:” setting may be set to SAP
(analog program from
the ANT input)
.
3. The sound from my A/V receiver does
not match the screen picture (I should
hear the correct audio from my A/V
receiver).
Check that DIGITAL AUDIO OUTPUT and/or AVR AUDIO •
OUTPUT on TV’s main panel is connected to the A/V 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 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
does not appear in the Activity menu.
Plug an unused video plug into the
Y/VIDEO
jack to activate Auto
Input Sensing and make the audio device selectable in the Activity
menu.
.5. Sound is coming from the TV speakers
instead of the A/V receiver.
Disconnect headphones. Connect the TV’s AUDIO OUT to the A/V
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
keys.
A/V Device does not use IR format for remote control •
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.