36
TDC777D INSTALLER’S MANUAL (502-3432110)
SOLVING PROBLEMS (cont.)
Check
Suggested solution
Further checks, if there is still a problem
Can you display menus
and guides on the screen?
YES
D
NO
R
If the TV is connected to the VIDEO OUT
or S-VIDEO connectors, then you will
see menus and guides only if the screen
resolution
480i
is set to “
YES
” and
480p
,
720p,
1080i, 1080p24 Pass
, and
1080p30
Pass
are set to “
NO
”.
Change the TV Display Capability resolution settings if
necessary (see pages 27 and 28).
Is there any sound?
YES
D
NO
R
Check that the audio cables are securely
and correctly connected.
Check that you have not muted the sound on the set-top
and/or TV. Adjust the volume control on the set-top and/or
TV. If you are using a home theater receiver, check it is set
up correctly.
Can you hear stereo
sound?
YES
D
NO
R
First check that the program is likely to have
stereo sound (an old movie, for example,
may not be in stereo).
Check the on-screen Setup Menu, Audio
settings (see page 33). The Stereo Output
may be set to “Mono”. Change it to
“Stereo”.
If the TV is mono, you will hear stereo sound only if you
have a stereo audio amplifier and speakers or home theater
connected to the stereo VCR or set-top.
Can you see and hear a
DVD that you are trying to
play?
YES
D
NO
R
Check that all the audio and video cables
are securely and correctly connected,
including any to a home theater receiver
that you may be using to enhance the
sound.
—
Is the picture low quality,
or “fuzzy”, when you are
expecting to see an HDTV-
quality picture?
NO
D
YES
R
Some programs may include “copy
protection” which means, if the set-
top is connected to the HDTV via the
component video connectors, the picture
is downgraded to standard TV quality. To
prevent this from happening, use an HDMI
connection instead.
—
Can you see only regular
(analog) channels but not
any digital channels?
NO
D
YES
R
The Bypass feature may be turned on
(check if the BYPASS light on the set-top’s
front panel is lighted). If Bypass is on, use
the on-screen Setup menus to turn it off
(see page 33).
—
Are the DVR functions
working?
NO
R
The internal hard disk may be temporarily
disabled because the set-top has
overheated. Make sure the set-top is
not overheating (refer to the set-top’s
ventilation requirements on page 4).
—
