ARRIS DCX3200MP3 User Guide - Manual (Page 52)

Troubleshooting
B
High-Definition Digital STB DCX3200-M P3 • User Guide 45
365-095-17389-x.1
Problem Possible Solution
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] 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 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.
There is no video on
the TV screen • Verify that the TV is powered on and set to the appropriate input source for the
DCX set-top.
• Verify that the DCX set-top is powered on and tuned to an authorized cable
channel.
• Verify that all video cables between the DCX set-top and the TV are firmly
connected.
• Verify that the coaxial cable feed is firmly connected to the DCX set-top and the
wall jack.
• If the DCX 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.
• If the DCX set-top video output is connected to a TV through an HDMI
connection, power off the TV and then power off the DCX set-top. Wait one
second and then power on the devices.
• Not all HDTVs can display every output format (1080p60, 1080p30, 1080p24,
1080i, 720p, 480p, or 480i) available on the DCX set-top. To select a different
format:
1. Ensure that your DCX set-top is plugged into a power outlet and is turned off.
2. Press the MENU key on the remote control. Your settings are displayed on the
DCX set-top front panel display.
3. Press the ▲ and ▼ keys to display the HDMI/YPbPr OUTPUT setting.
4. Press the ► key to cycle through the available output formats until a picture
displays on the TV.
No graphics or
program guides
appear on the TV
screen
If you use the IEEE-1394 connection, on-screen graphics, including closed captions
and program guides, are not displayed by the DCX set-top. On-screen graphics and
captions may still be overlaid by your TV, if enabled. Alternatively, use HDMI or
component video instead.
No closed captions
display • Verify on the User Settings menu that closed captions are enabled on the DCX
set-top.
• Verify that closed captions are enabled on the TV.
Note: Closed captioning may not be available on the current program.