KLV-S26A10, KLV-S32A10, KLV-S40A10 - Sony TV Service Manual (repair manual). Page 21

– 21 –

Only snow and noise appear 
on the screen

• Check if the antenna is broken or bent.
• Check if the antenna 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, etc.

• Make sure that the antenna is connected using the antenna cable (supplied).
• Keep the antenna cable away from other connecting cables.
• Do not use a 300-ohm twin lead cable as interference may occur.
• Adjust the antenna direction for the minimum interference. Contact a Sony 

dealer for advice.

Picture noise when viewing a 
TV channel

• Select “Manual Program” in the “Set Up” menu and adjust “Fine” to obtain 

better picture reception (page 35).

• Select “NR” (Noise Reduction) in the “Picture” menu to reduce the noise in 

the picture (page 25).

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.

Good picture, but noisy sound

• The TV system setting is inappropriate.

If the sound of all the channels are noisy, perform “Auto Program” in the 
“Set Up” menu to preset the channel again (page 32).
If the sound of some channels is noisy, select the channel, then perform 
“Manual Program” in the “Set Up” menu, and select the appropriate TV 
system (“TV System”) (page 34).

Good picture, but no sound

• The volume level is too low. Press 

2 + to increase the volume level.

• The sound is muted. 

Press 

%, or 2 + to cancel the muting. 

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.

No color on programs

• Select “Reset” in the “Picture” menu to return to the factory settings 

(page 25).

No color

• The color intensity setting is too low. Select “Color” in the “Picture” menu 

to adjust the color intensity (page 24).

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

Contact a Sony dealer for advice.

Lines moving across the TV 
scree

• There is interference from external sources, e.g., heavy machineries, 

broadcast station nearby. Use the fine tuning (“Fine) function (page 35). 

No color or irregular color 
when viewing a signal from the 
Y, P

B

/C

B

, P

R

/C

R

 jacks of 

/

1, 2

• Check the connection of the Y, P

B

/C

B

, P

R

/C

R

 jacks of 

/

1, 2.

• Make sure that the Y, P

B

/C

B

, P

R

/C

R

 jacks of 

/

1, 2 are firmly seated 

in their respective jacks.