Owner`s manual

CUSTOMER HANDBOOK
19
Troubleshooting
I
Digital Cable Troubleshooting
Problem Possible Solution
Set-top will not power on.
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 POWER button.
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 in, and then press the POWER button.
Press the POWER button on the set-top front panel instead of the remote control.
The batteries in the remote control may be depleted.
Remote control does not work.
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.
No audio when viewing cable channels.
Verify that the MUTE button on the set-top or the remote control has not been pressed. Press MUTE on the remote control to
restore sound.
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 MUTE button on the receiver 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.
No audio from center and/or surround
speakers of home theater receiver
connected to set-top.
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
®
, or Dolby Pro Logic II.)
Verify that the receiver is properly configured to work with all connected speakers.
There is no video on the TV screen.
Verify that the TV is powered on and set to the appropriate input source for the set-top.
Verify that the set-top is powered on and tuned to an authorized cable channel.
Verify that the coaxial cable is firmly connected to the set-top and the wall jack.
Verify that all video cables between the set-top and the TV are firmly connected.
If the set-top video output is connected to a home theater unit, verify that the home theater unit is powered on and set to the
appropriate input source.