Sony KDL-40R450A - Manual (Page 57)

57
O
the
r Inform
ation
TV is locked to one
channel • Perform Auto Program to add receivable channels that are not
present in the TV’s memory (see pages 20 and 43).
Cannot receive or select
channels • Perform Auto Program to add receivable channels that are not
present in the TV’s memory (see pages 20 and 43).
• To receive or select cable channels, make sure that Signal Type
in the Channel settings is set to Cable (see page 43). To receive
or select UHF channels over an antenna, make sure Signal Type
is set to Antenna.
The TV turns off
automatically • Check if Sleep Timer is activated (see page 49).
• Check Idle TV Standby in the Eco settings.
• Check Duration of Photo Frame Settings.
• Check Duration if TV is turned on by On Timer.
No picture from some
video sources • Check the connection between the optional video equipment
and the TV.
• Press INPUT on the remote control (see page 31).
Poor picture
Picture quality not as
good as viewed at the
store • Picture quality depends on the signal content. See Quick Setup
Guide (supplied) to display the best possible picture for that
signal.
Broadcast HD formats
have poor quality • Content and signal quality are controlled by the signal provider.
Many HD channels and content are actually upscaled versions of
standard-definition broadcasts. The picture is affected by the
quality of the signal received, which varies between channel and
program.
Double images or ghosts • Check cable/antenna connections.
• Check the antenna location and direction.
Only snow and noise
appear on the screen • Check if the antenna is broken or bent.
• Check if the antenna has reached the end of its serviceable life.
(3-5 years in normal use, 1-2 years at the seaside.)
Dotted lines or stripes • Keep the TV away from noise sources such as cars, motorcycles,
or hair-dryers.
• If using 300 ohm twin lead, move the excess lead away from the
TV or try using 75-ohm coaxial cable instead.
No color / Dark picture /
Color is not correct / The
picture is too bright • Adjust the Picture Mode options in the Picture settings (see
page 37).
• If you set the Power Saving mode to Low or High, it will
enhance the black level.
Noisy picture • Make sure that the antenna is connected using a 75-ohm coaxial
cable (not supplied).
• Keep the antenna cable away from other connecting cords.
• To avoid TV interference, make sure to use an undamaged
antenna cable.
Condition Explanation/Solution
(Continued)