Troubleshooting - Motorola DCT6400 Phase III Installation Manual

Section 5

Troubleshooting

This section provides troubleshooting guidelines. If problems still occur after performing the
diagnostics, call the TRC for assistance as described in Section 1, "Introduction."
Problem
The cable terminal
will not power on.
The remote control
does not work.
There is no audio
when viewing cable
channels.
There is no audio
from the center
and/or surround
speakers of a home
theater receiver
connected to the
terminal.
Possible Solutions
The cable terminal may have received a software update and may not power on while
the new software is being installed. Try again in a few minutes.
Verify that the AC power cord is connected to the terminal and an AC outlet. Unplug the
terminal from the AC outlet, plug it back in, and then press the
If the terminal is connected to a switched outlet on another unit, verify that that unit is
powered on. Unplug the power cord from the terminal's AC outlet, plug it back it in, and
POWER
then press the button.
POWER
Press the button on the terminal front panel instead of the remote control. The
batteries in the remote control may be depleted.
Verify that the remote control is in "Cable" mode.
Verify that there are no obstructions between the remote control and the terminal. Aim
the remote control directly at the terminal front panel, not the TV or VCR.
The angle between the remote control and the terminal may be too large. Stand in front
of the terminal and not too far to either side.
Press and release operation keys one at a time, firmly and deliberately.
Try changing channels using the buttons on the terminal front panel.
Check the batteries in the remote control. Install new batteries if needed.
MUTE
Verify that the button on the terminal or the remote control has not been pressed.
MUTE
Press on the remote control to restore sound.
If the terminal audio output is connected to the TV, verify that the Mute button on the TV
has not been pressed.
If the terminal audio output is connected to a home theater receiver, verify that the
receiver is set to the appropriate input source and the
not been pressed.
Verify that you have the correct cables for the audio ports.
Verify that the audio cables are firmly connected between the terminal and the TV,
VCR, or home theater receiver.
Not all Dolby Digital programs feature full 5.1 surround sound. In some cases, the
programs may only contain left and right stereo audio.
Verify that the S/PDIF cable (coaxial or optical) is firmly connected to the terminal and
the home theater receiver.
Verify that the home theater receiver is set to a surround sound audio mode (Dolby
®
Digital, Dolby Pro Logic , or Dolby Pro Logic II.
Verify that the receiver is properly configured to work with all connected speakers.
POWER
button.
MUTE
button on the receiver has
DCT6400 Phase III Installation Manual