Troubleshooting - Sony BRAVIA 4-193-041-12 Operating Instructions Manual

Troubleshooting

Picture
No picture (screen is dark) and no sound
• Check the aerial/cable connections.
• Connect the TV to the mains, and press 1 on the
side of the TV.
• If the (standby) indicator lights up in red, press
I/1.
No picture or no menu information from equipment
connected to the scart connector
• Press to display the connected equipment list,
M
then select the desired input.
• Check the connection between the optional
equipment and the TV.
Double images or ghosting
• Check the aerial/cable connections.
• 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
service life (three to five years in normal use, one
to two years at the seaside).
Picture or sound noise when viewing a TV channel
• Perform fine tuning to obtain better picture
reception (page 24).
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 "Restore Factory Settings" (page 27).
No colour or irregular colour when viewing a signal
from the Y Pb Pr (Component) sockets
• Check the connection of the Y Pb Pr (Component)
sockets and check if each sockets are firmly seated
in their respective sockets.
Sound
No sound, but good picture
• Press + or (Mute).
2 %
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 "Off Time" (page 26) or "Sleep
Timer" (page 27) is activated.
• If no signal is received and no operation is
performed in the TV mode for 5 minutes, the TV
automatically switches to standby mode.
Distorted picture and/or sound
• K eep 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 connections.
• Keep the aerial/cable TV cable away from other
connecting cables.
The remote does not function
• Replace the batteries.
33
GB