Troubleshooting - Sony Bravia KLV-52W400A Operating Instructions Manual

Troubleshooting

If you encounter any problem while viewing your TV,
you can either check the troubleshooting guide below
or use the "Factory Settings" function (page 32). If the
problem persists, contact your Sony dealer.
Check whether the 1 (standby) indicator is
flashing in red.
When it is flashing
The self-diagnosis function is activated.
1 Count how many 1 (standby) indicator
flashes between each two second break.
For example, the indicator flashes three times, then
there is a two second break, followed by another
three flashes, etc.
2 Press 1 on the top edge of the TV to turn it
off, disconnect the AC power cord, and
inform your dealer or Sony service centre of
how the indicator flashes (number of
flashes).
When it is not flashing
1 Check the items listed below.
2 If the problem still persists, have your TV
serviced by qualified service personnel.
Picture
No picture (screen is dark) and no sound
• Check the antenna/cable connection.
• Connect the TV to the AC power outlet, and press 1 on
the top edge of the TV.
• If the 1 (standby) indicator lights up in red, press "/1.
No picture or no menu information from equipment
connected to the video input jack
• Press / to display the connected equipment list,
then select the desired input.
• Check the connection between the optional equipment and
the TV.
Double images or ghosting
• Check the antenna/cable connection.
• 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 (three to five years in normal use, one to two years at
the seaside).
Distorted picture (dotted lines or stripes)
• Keep the TV away from electrical noise sources such as
cars, motorcycles, hair-dryers or optical equipment.
• When installing optional equipment, leave some space
between the optional equipment and the TV.
• Check the antenna/cable connection.
• Keep the antenna cable away from other connecting
cables.
• Broadcast signals are too strong. Turn off or disconnect
the booster if it is in use.
Picture or sound noise when viewing a TV channel
• Adjust "AFT" (Automatic Fine Tuning) to obtain better
picture reception (page 35).
Some tiny black points and/or bright points appear
on the screen
• The picture of a display unit is composed of pixels. Tiny
black points and/or bright points (pixels) on the screen do
not indicate a malfunction.
No colour on programmes
• Select "Reset" (page 23).
No colour or irregular colour when viewing a
signal from the 1 or 2 jacks
• Check the connection of the
the jacks are firmly seated in their respective jacks.
Sound
No sound, but good picture
• Press 2 +/– or % (Mute).
• Check if the "Speaker" is set to "TV Speaker" (page 30).
General
The TV turns off automatically (the TV enters
standby mode)
• Check if the "Sleep Timer" is activated, or confirm the
"Duration" setting of "On Timer" (page 31).
The TV turns on automatically
• Check if the "On Timer" is activated (page 31).
Some input sources cannot be selected
• Select "Video Labels" and cancel "Skip" of the input
source (page 30).
The remote does not function
• Replace the batteries.
The "Store Display Mode: On" message appears
on the screen
• Select "Factory Settings" in the "Set-up" menu (page 32).
Weak signal (signal level indicator (page 36)
displayed in red)
• Check the antenna/cable connection.
• Set the "Signal Booster" to "Auto" (page 36) or try using
an external booster.
The TV cabinet creaks
• Changes in room temperature sometimes make the TV
cabinet expand or contract, causing a noise. This does not
indicate a malfunction.
1 or 2 jacks and check if
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