Sony KV-28DS20U - Manual (Page 37)

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Additional Information
Here are some simple solutions to problems which may affect the picture and sound.
• If you continue to have these problems, have your TV serviced by qualified personnel or
you can contact the Sony UK Digital HelpLine on 0870 600 1717.
• NEVER open the casing yourself.
Troubleshooting
Problem Cause
No picture , no sound
Poor or no picture (screen is dark), but good sound.
No picture on any channel after digital tuning.
Some channels are blank.
Standby indicator flashing.
Good Picture, no sound.
Poor picture quality
No colour on colour programmes.
Remote control does not function.
Distorted picture when changing programmes or
selecting Teletext.
• Power off.
• TV in standby.
• Aerial disconnected
• Picture preset level adjustment.
• No digital transmissions in your area.
• No digital transmissions from the transmitter you are currently using.
• Weak signal.
• Unsuitable aerial
• Scrambled/subscription-only channel.
• Programme used only for data (no picture or sound).
• Programme not being transmitted.
• Digital mode Timer Record active (regular flash).
• Fault (irregular flash).
• Volume control
• Wrong external mode selected on an RGB video source.
• Colour level setting.
• Batteries low.
• Inputs from external equipment not switched off.
Cause • Solution
Power off.
TV in standby.
Aerial disconnected
Picture level adjustment
No digital transmissions in your area.
No digital transmissions from the transmitter you
are currently using.
Unsuitable aerial.
Weak signal.
Scrambled/subscription-only channel.
Programme information without picture or sound.
Fault.
Volume control.
Wrong external mode selected.
Colour level setting.
• Plug in the TV.
• Press the button on the front of the TV
• If the indicator is on press the button or a numbered button on the
remote control.
• Check the aerial connection.
• Select on the TV menu system then adjust the brightness, picture and colour
balance levels
• Tune in the analogue channels available using the ‘Manually tuning the TV’
instruction in this manual, then contact a local installer to find out when digital
transmissions begin in your area.
• Contact a local installer to find out which transmitter you should be pointing
your aerial at.
• Change your aerial to to cover the channels used by digital programmes
(Contact a local installer)
• Ensure aerial is correctly aligned to transmitter.
• Ensure aerial is plugged directly into the TV (not through other equipment).
• Upgrade to a higher gain aerial.
• Subscribe to pay-per-view broadcaster.
• See ‘Skipping programme positions’ section.
• See ‘Re-arranging the TV channels’ section.
• Do not open the cabinet, refer to qualified personnel.
• Contact your nearest Sony Service Centre.
• Press the + button on the remote control.
• If is displayed on the screen, press the button on the remote control.
• Press the button repeatedly until the RGB symbol is displayed on
screen.
• Select on the TV menu system then adjust the colour setting
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