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94 Appendices
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Appendix E: Troubleshooting, continued
Sound
Symptom Remarks
1. There is no sound even when the
volume is turned up.
• Checkifthe
MUTE
key is on.
• TheTV’sanalog
Listen to
setting may be set to SAP (analog
program from the ANT input) but no SAP is being broadcast.
• CheckthattheSound > Audio > TV Speakers option is set to
On
to hear sound from the TV speakers. Possibly the
TV Speakers
option is
Off
or set to
Center
but there is no A/V receiver con-
nected.
• IfusinganA/Vreceiver,checkthattheSound > Audio > TV
Speakers option is set to
Off
to hear sound from the A/V receiver
speakers.
•
Press and hold the
POWER
button on the control panel for 10
seconds to perform System Reset.
•
The language selected in the Setup > Antenna Digital Audio
menu is not being broadcast for the current program.
2. The sound does not match the screen
picture.
The TV’s analog
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
AUDIO/SURROUND
OUTPUT
on TV’s connection 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 TV, 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 Input Selection
menu.
Plug an unused video plug into the
Y/VIDEO
jack to activate Auto
Input Sensing. Assign the name CD/Audio or MP3 to make the
audio device selectable in the Input Selection menu.
.5. Sound is coming from the TV speakers
instead of the A/V receiver.
Connect the TV’s •
AUDIO OUT
to the A/V receiver.
Change TV Speakers setting to • Off or Center.
7. A color program appears as a black and
white image, or the colors are dim, or the
screen is black.
If using component video, check that the red, green, and •
blue input cables are correctly connected to the red, green,
and blue component video jacks.
If using composite video, check that the incoming cable is •
connected the TV’s green
Y/VIDEO
jack.
838 Series. The PerfectColor color balance has been incor-•
rectly set. Reset the PerfectColor balance.
8. Picture from an HDMI input is noisy (poor
quality).
C• ompare the picture to the TV’s test picture (Picture >
Picture+ > Test Picture) to check if the noise is internal or
external to the TV.
Upgrade a Category 1 (unmarked) HDMI cable to a newer •
type of high-speed HDMI cable.
9. The image from a computer appears dis-
torted when viewed on the TV.
Normal TV operation. The TV does not correct distortion in •
the picture from a computer because the correction process
may cut off the edges of the image.
The aspect ratio may be wrong for the image. Press •
FORMAT
to change.
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