Troubleshooting
High-Definition DVR DCX3520e-M
•
Installation Manual
83
365-095-25080-x.1
Troubleshooting
The following information can help troubleshoot some more common issues. If problems still occur
after performing the diagnostics, call the TRC for assistance as described in the Introduction section of
this manual.
Problem
Possible Solution
The DCX3520e-M
will not power on
•
Verify that the AC power cord is connected to the DCX3520e-M and an AC outlet.
Unplug the DCX3520e-M from the AC outlet, plug it back in, and then press the
POWER button.
•
If the DCX3520e-M is connected to a switched outlet on another unit, verify that that
unit is powered on. Unplug the power cord from the DCX3520e-M’s AC outlet, plug it
back it in, and then press the POWER button. It is recommended to use an
unswitched outlet, if possible.
•
Press the POWER button on the DCX3520e-M’s front panel instead of the remote
control. The batteries in the remote control may be depleted.
The remote control
does not work
•
Verify that the remote control is in Cable mode.
•
Verify that the remote is programmed for ARRIS remote codes.
•
Verify that there are no obstructions between the remote control and the DCX3520e-
M. Aim the remote control directly at the DCX3520e-M front panel, not the TV or VCR.
•
The angle between the remote control and the DCX3520e-M may be too large. Stand
in front of the DCX3520e-M and not too far to either side.
•
Press and release operation keys one at a time, firmly and deliberately.
•
Check the batteries in the remote control. Install new batteries if needed.
There is no audio
when viewing cable
channels
•
Verify that the mute button on the remote control has not been pressed. Press mute
on the remote control to restore sound.
•
If the DCX3520e-M audio output is connected to the TV, verify that the mute button
on the TV has not been pressed.
•
If the DCX3520e-M 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 DCX3520e-M 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
DCX3520e-M
Not all programs feature full Dolby Digital [5.1] or Dolby Digital Plus [7.1] surround
sound. In some cases, the programs may only contain left and right stereo audio.
•
Verify that the S/PDIF cable (optical) is firmly connected to the DCX3520e-M 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.
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