Motorola RNG150N User Manual page 52

Troubleshooting
Problem
There is no audio
from the center
and/or surround
speakers of a home
theater receiver
connected to the
RNG set-top
There is no video on
the TV screen
No graphics or
program guides
appear on the TV
screen
No closed captions
display
High-Definition Digital STB RNG150N • User Guide
365-095-17388-x.2
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 RNG 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
• Verify that the receiver is properly configured to work with all connected
speakers.
• Verify that the TV is powered on and set to the appropriate input source for the
RNG set-top.
• Verify that the RNG set-top is powered on and tuned to an authorized cable
channel.
• Verify that all video cables between the RNG set-top and the TV are firmly
connected.
• Verify that the coaxial cable feed is firmly connected to the RNG set-top and the
wall jack.
• If the RNG 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 RNG set-top video output is connected to a TV through an HDMI
connection, power off the TV and then power off the RNG 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 RNG set-top. To select a different
format:
1. Ensure that your RNG 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
RNG 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.
If you use the IEEE-1394 connection, on-screen graphics, including closed captions
and program guides, are not displayed by the RNG set-top. On-screen graphics and
captions may still be overlaid by your TV, if enabled. Alternatively, use HDMI or
component video instead.
• Verify on the User Settings menu that closed captions are enabled on the RNG
set-top.
• Verify that closed captions are enabled on the TV.
Note: Closed captioning may not be available on the current program.
Possible Solution
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