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Troubleshooting - Sony KDL-26L4000 Operating Instructions Manual

Lcd digital colour tv.
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Check whether the 1 (standby) indicator is
flashing in red.
When it is flashing
The self-diagnosis function is activated.
Press 1 on the top edge of the TV to turn it off,
disconnect the mains lead, and inform your dealer or
Sony service centre.
When it is not flashing
Check the items in the tables below.
If the problem still persists, have your TV
serviced by qualified service personnel.
No picture (screen is dark) and no sound
• Check the aerial connection.
• Connect the TV to the mains, 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 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 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).
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 aerial connection.
• Keep the aerial cable away from other connecting
Picture or sound noise when viewing a TV
• Adjust "AFT" (Automatic Fine Tuning) to obtain better
picture reception (page 28).
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
• Check the connection of the
sockets and check if each sockets are firmly seated in
their respective sockets.
No sound, but good picture
• Press 2 + or % (Mute).
• Check if the "Speaker" is set to "TV Speaker" (page 24).
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.
The TV turns off automatically (the TV enters
standby mode)
• Check if the "Sleep Timer" is activated (page 26).
• If no signal is received and no operation is performed in
the TV mode for 15 minutes, the TV automatically
switches to standby mode.
The remote does not function
• Replace the batteries.
HDMI equipment does not appear on "HDMI
Device List"
• Check that your equipment is compatible with control
for HDMI.


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