KV-28FQ70B - Sony TV Service Manual (repair manual). Page 12

Read Sony KV-28FQ70B Service Manual online

- 12 -
24
Troubleshooting
Here are some simple solutions to problems which may affect the picture and sound.
Problem
No picture (screen is dark) 
and no sound.
Poor or no picture (screen is 
dark), but good sound.
No picture or no menu 
information from equipment 
connected to the Scart 
connector.
Good picture, no sound.
No colour on colour 
programmes.
When you switch on the TV 
the last channel you were 
watching before switching 
the TV off does not appear.
Distorted picture when 
changing programmes or 
selecting teletext.
Wrong characters appear 
when viewing NexTView.
Solution
• Check the aerial connection.
• Plug the TV in and press the 
 button on the front of the TV. 
• If the standby indicator 
 is on, press TV 
 button on
  the remote control. 
• Using the menu system, select the “Picture Adjustment” 
menu and select “Reset” to return to the factory settings (see 
page 9).
• Check that the optional equipment is on and press the
   
 button repeatedly on the remote control until the
  correct input symbol is displayed on the screen (see page 21).
• Press the  
 + button on the remote control. 
• Check that “TV Speakers” is “On” in the “Sound Adjustment” 
menu (see page 10).
• Check that headphones are not connected.
• Using the menu system, select the “Picture Adjustment” 
menu and select “Reset” to return to factory settings (see 
page 9).
• This is not a malfunction. Press the number buttons on the 
remote control to select the desired channel.
• Turn off any equipment connected to the Scart connector on 
the rear of the TV.
• Use the menu system to enter the “Language” menu (see page 
13) and select the same language that NexTView is broadcast 
in.
continued...
Additional Information
25
GB
If you continue to experience problems, have your TV serviced by qualified personnel.
 
Never open the casing yourself.
Problem
Picture slanted
Noisy picture when viewing 
a TV channel.
Remote control does not 
function.
The standby indicator 
 on 
the TV flashes.  
Solution
• Using the menu system, select the “Picture Rotation” option 
in the “Detail Set Up” menu to correct the picture slant (see 
page 16).
• Using the menu system, select the “Manual Programme 
Preset” menu and adjust Fine Tuning (AFT) to obtain better 
picture reception (see page 15).
• Using the menu system, select the “Noise Reduction” option 
in the “Picture Adjustment” menu and select “Auto” to 
reduce the noise in the picture (see page 19).
• Check that the Media Selector on the remote control is set  to 
the device you are using (VCR, TV or DVD).
• If the remote control does not operate the VCR or DVD even 
when the Media Selector has been set correctly. Enter the 
necessary code set as explained in the “Remote Control 
Configuration for VCR/DVD” chapter of this instruction 
manual (see page 22).
• Replace the batteries.
• Contact your nearest Sony service centre.
Additional Information
Page of 78
Display

Click on the first or last page to see other KV-28FQ70B service manuals if exist.