Troubleshooting - Motorola DCT6400 Series 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 set-top 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 set-top.
Possible Solutions
The set-top 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 set-top and an AC outlet.
Unplug the set-top from the AC outlet, plug it back in, and then press the
button.
POWER
If the set-top is connected to a switched outlet on another unit, verify that that unit
is powered on. Unplug the power cord from the set-top's AC outlet, plug it back it
in, and then press the
POWER
Press the button on the set-top front panel instead of the remote control.
POWER
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 set-top.
Aim the remote control directly at the set-top front panel, not the TV or VCR.
The angle between the remote control and the set-top may be too large. Stand in
front of the set-top 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 set-top front panel.
Check the batteries in the remote control. Install new batteries if needed.
Verify that the button on the set-top or the remote control has not been
MUTE
pressed. Press on the remote control to restore sound.
MUTE
If the set-top audio output is connected to the TV, verify that the Mute button on
the TV has not been pressed.
If the set-top audio output is connected to a home theater receiver, verify that the
receiver is set to the appropriate input source and the
has not been pressed.
Verify that you have the correct cables for the audio ports.
Verify that the audio cables are firmly connected between the set-top 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 set-top
and the home theater receiver.
Verify that the home theater receiver is set to a surround sound audio mode
(Dolby Digital, Dolby Pro Logic
Verify that the receiver is properly configured to work with all connected
speakers.
button.
MUTE
®
, or Dolby Pro Logic II.
DCT6400 Series Installation Manual
button on the receiver