Cleaning; Troubleshooting - Sony Bravia KDL-70X3500 Operating Instructions Manual

Cleaning

Clean the ventilation holes of this TV set regularly
(once a month). If dust accumulates, the cooling fan
may not operate properly.
48
GB
Ventilation holes

Troubleshooting

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 right side of the TV to turn it
off, disconnect the mains lead, 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 in the tables 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 aerial/cable connection.
• Connect the TV to the mains, and press 1 on the right side
of the TV.
• If the 1 (standby) indicator lights up in red, press TV "/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).
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.
• Make sure that the aerial/cable is connected using the
supplied coaxial cable.
• Keep the aerial/cable TV cable away from other
connecting cables.
Picture or sound noise when viewing a TV channel
• Adjust "AFT" (Automatic Fine Tuning) to obtain better
picture reception (page 41).