KLV-S26A10, KLV-S32A10, KLV-S40A10 - Sony TV Service Manual (repair manual). Page 20

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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.

Press 

1 on the TV (top side) to switch it off, disconnect the AC power cord, and inform your dealer or 

Sony service center of how the indicator flashes (duration and interval).

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 power cord, antenna, and VCR connection.
• The TV is not turned on. Press 

1

 on the TV (top side).

• If the 

1 (standby) indicator lights up in red, press "/1.

No picture

• The picture off feature is activated. (The 

 (Picture Off/Sleep Timer) 

indicator lights up in green.) Press any button except for 

2 +/-, "/1, %, 9

to cancel the picture off feature. 

No picture or no menu 
information from equipment 
connected to the video input 
jack

• 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

• Check if any connected optional equipment is installed in front of the TV or 

beside the TV. When installing optional equipment, leave some space 
between the optional equipment and the TV.

• When changing programs or selecting Text, turn off any equipment 

connected to the video input jack on the rear of the TV.

• Broadcast signals are too strong. Turn off or disconnect the booster if it is in 

use.

Double images or ghosting

• Check antenna/cable connections.
• Check the antenna location and direction. Contact a Sony dealer for advice.
• Broadcast signals are reflected by nearby mountains or building. Use the 

fine tuning (“Fine) function (page 35). Otherwise, use a highly direction 
antenna.

• Use of a booster is inappropriate. Turn off or disconnect the booster if it is in 

use.

Snowy picture and noisy sound

• The antenna connection is loose or the antenna cable is damaged. Check the 

cable and connection on the TV, VCR, and on the wall (page 15).

• Channel presetting is inappropriate or incomplete. Perform “Manual 

Program” in the “Set Up” menu to preset the channel again (page 34).

• The antenna type is inappropriate. Check the antenna type (VHF/UHF). 

Contact a Sony dealer for advice.

• The antenna direction needs adjustment. Adjust the antenna direction. 

Contact a Sony dealer for advice.

• Signal transmission is low. Try using a booster.