Sony kdl-s23a11e User Manual

Page of 173
42
 GB
Troubleshooting
Check whether the 
1
 (standby) indicator is flashing in red.
When it is flashing
The self-diagnosis function is activated. 
1
Measure how long the 
1
 (standby) indicator flashes and stops flashing.
For example, the indicator flashes for two seconds, stops flashing for one second, and flashes for two seconds.
2
Press 
1
 on the TV (Top side) to switch it off, disconnect the mains lead, and inform your dealer or 
Sony service centre of how the indicator flashes (duration and interval).
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
Problem
Cause/Remedy
No picture (screen is dark) and 
no sound
• Check the aerial connection.
• Connect the TV to the mains, and press 1 on the TV (top side).
• 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
• Check that the optional equipment is on and press 
/
 repeatedly until 
the correct input symbol is displayed on the screen.
• Check the connection between the optional equipment and the TV.
Distorted picture
• When installing optional equipment, leave some space between the optional 
equipment and the TV.
• When changing programmes or selecting Text, turn off any equipment 
connected to the scart connector on the rear of the TV.
Double images or ghosting
• Check 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 serviceable life (three to five 
years in normal use, one to two years at the seaside).
Picture (dotted lines or stripes) 
noise
• Keep the TV away from electrical noise sources such as cars, motorcycles, 
or hair-dryers.
• Make sure that the aerial is connected using the supplied coaxial cable.
• Keep the aerial cable away from other connecting cables.
• Do not use a 300-ohm twin lead cable as interference may occur.
Picture noise when viewing a 
TV channel
• Select “Manual Programme Preset” in the “Set Up” menu and adjust “AFT” 
(Automatic Fine Tuning) to obtain better picture reception (page 31).
• Select “Noise Reduction” in the “Picture Adjustment” menu to reduce the 
noise in the picture (page 22).
Stripe noise during playback/
recording of a VCR
• Video head interference. Keep your VCR away from the TV.
• Leave a space of 30 cm between your VCR and the TV to avoid noise.
• Avoid installing your VCR in front of the TV or beside the TV.
Some tiny black points and/or 
bright points 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.