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NXT Digital CHA045170A - Troubleshooting

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13
3.
Troubleshooting
Problem
Potential Reasons
No picture is coming
STB power may not be
connected
STB or power adapter may
be faulty
Screen shows “No Signal”
Video RF cable may not be
connected properly
Settings may not be correct
No sound coming from
speakers
Audio cable may be
missing or damaged
Sound may be muted on
the Set Top Box or the
television
Incorrect sound track is
audible
Only audio available but
no video is visible
HDMI cable may be faulty
The channel may be a
radio channel, for which
there will be no video.
Remote control is not
working
Batteries may be
discharged
Remote control may be too
far from the Set Top Box
Images are frozen on
screen or mosaic
This is likely to be caused
by a weak signal.