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Other Information; Troubleshooting - Sony Bravia KDL-52XBR7 Operating Instructions Manual

Lcd digital color tv.
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Other Information

Troubleshooting

If you have questions, service needs, or require
technical assistance related to the use of your
Sony TV, please visit our website or call one of
the following numbers:
Condition
No picture
No picture
Cannot receive any channels
TV is locked to one channel
Cannot receive or select
channels
The TV turns off
automatically
No picture from some video
sources
Poor picture
Picture quality not as good as
viewed at the store
Broadcast HD formats have
poor quality
Double images or ghosts
Only snow and noise appear
on the screen
Dotted lines or stripes
http://www.sony.com/tvsupport for US Support
http://www.sony.ca/support for Canadian Support
1-800-222-SONY(7669) for US Support
1-877-899-SONY(7669) for Canadian Support
Explanation/Solution
• Check the Power Saving settings (see page 52).
• Make sure the power cord is connected securely.
• Turn on the power of the TV.
• Check cable/antenna connections.
• Make sure the Signal Type setting is correct for your TV signal source.
• Perform Auto Program to add receivable channels that are not present in the
TV's memory (see pages 16 and 46).
• Perform Auto Program to add receivable channels that are not present in the
TV's memory (see pages 16 and 46).
• To receive or select cable channels, make sure that Signal Type in the
Channel settings is set to Cable (see page 46). To receive or select UHF
channels over an antenna, make sure Signal Type is set to Antenna.
• Check if Sleep Timer is activated, or confirm the Duration setting of Timer
(see page 40).
• Check PC Power Management in General Setup settings (see page 52).
• Check the connection between the optional video equipment and the TV.
• Press INPUT on the remote control (see page 22).
• Press HOME on the remote control. Select your desired input from the
External Inputs list.
• Picture quality depends on the signal content. See Quick Setup Guide
(supplied) to display the best possible picture for that signal.
• Content and signal quality are regulated 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.
• Confirm the picture quality by selecting Signal Diagnostics in the Product
Support settings (page 40). Then select Sample Image (or Additional
Information first). An HD image will display on the screen to confirm routine
panel operation. If your normal picture quality is worse than this sample image,
it is most likely due to the signal provided by the broadcaster.
• Check cable/antenna connections.
• Check the antenna location and direction.
• Set the Motion Enhancer to Standard or Off (see page 42).
• 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.)
• 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.
(Continued)
53

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