Troubleshooting - Sony Bravia KDL-42EX443 Operating Instructions Manual

Troubleshooting

Check whether the 1 (standby) indicator
is flashing in red.
When it is flashing
The self-diagnosis function is activated.
Touch "/1 on the front of the TV to turn it off,
disconnect the mains lead, and inform your
dealer or Sony service centre.
When it is not flashing
1 Check the items in the tables below.
2
If the problem still persists, have your TV
serviced by qualified service personnel.
z
• For further information, please contact Sony
Customer Information Centre at the address or
telephone that appears on the supplied guarantee.
Picture
No picture (screen is dark) and no sound
• Check the aerial/cable connection.
• Connect the TV to the mains, and touch "/1 on the
front 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 scart connector
• 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 aerial/cable connection.
• Check the aerial location and direction.
Only snow and noise appear on the screen
• Check if the aerial is broken or bent.
• Check if the aerial has reached the end of its
serviceable life (three to five years in normal use,
one to two years at the seaside).
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 30).
50
GB
No colour or irregular colour when viewing a
signal from the COMPONENT IN/
sockets
• Check the connection of the
AV2 sockets and check if each sockets are
firmly seated in their respective sockets.
Sound
No sound, but good picture
• Press 2 + or % (Mute).
• Check if the "Speakers" is set to "TV Speakers"
(page 32).
• When using HDMI input with Super Audio CD or
DVD-Audio, DIGITAL AUDIO OUT (OPTICAL) may
not output audio signals.
Channels
The desired channel cannot be selected
• Switch between digital and analogue mode and
select the desired digital/analogue channel.
Some channels are blank
• Scrambled/Subscription only channel. Subscribe
to the pay TV service.
• Channel is used only for data (no picture or
sound).
• Contact the broadcaster for transmission details.
Digital channels are not displayed
• Contact a local installer to find out if digital
transmissions are provided in your area.
• Upgrade to a higher gain aerial.
General
The TV turns off automatically (the TV enters
standby mode)
• Check if the "Sleep Timer" (page 39) or "Idle TV
Standby" (page 40) is activated.
• If no signal is received and no operation is
performed in the TV mode for 15 minutes, the TV
automatically switches to standby mode.
• Check if "Duration" in Photo Frame mode is
activated.
• Check if "Duration" is activated when TV is power
on by On Timer.
• TV is in PC input with no signal and "PC Power
Management" set to "On", then TV will turn off after
30 sec.
Distorted picture and/or sound
• 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 aerial/cable connection.
• Keep the aerial/cable TV cable away from other
connecting cables.
AV2
COMPONENT IN/