
7 TROUBLESHOOTING
42
Problem Possible Solution
There is no
audio when
viewing cable
channels
Verify that the mute button on the DCX set-top or
the remote control has not been pressed. Press
mute on the remote control to restore sound.
• If the DCX set-top audio output is
connected to the TV, verify that the
mute button on the TV has not been
pressed.
• If the DCX set-top audio output is
connected to a home theater receiver,
verify that the receiver is set to the
appropriate input source and the mute
button on the receiver has not been
pressed.
• Verify that you have the correct cables
for the audio connections.
• Verify that the audio cables are firmly
connected between the DCX set-top
and the audio playback device (TV,
receiver, DVD player, etc.).
There is no
audio from the
center and/or
surround
speakers of a
home theater
receiver
connected to
the DCX set-
top
Not all programs feature full Dolby Digital
®
[5.1] or
Dolby Digital
®
Plus [7.1] full surround sound. In
some cases, the programs may only contain left
and right stereo audio.
• Verify that the S/PDIF (coaxial or
optical) audio cable is firmly connected
to the DCX set-top and the home
theater receiver.
• Verify that the home theater receiver is
set to a surround sound audio mode
(Dolby Pro Logic
®
, Dolby Pro Logic II
®
,
Dolby Pro Logic IIx
®
).
• Verify that the receiver is properly
configured to work with all connected
speakers.