38Customer InformationTroubleshootingPicture Sound CheckAerial Location, Direction or Connections.If you are watching a tape playback check the state of theVideo heads – they may need to be cleaned or replaced.The tape may be old. Check the tracking.Snowy Picture Noisy SoundAerial Location, Direction or Connections.Multiple Image Normal SoundElectrical Appliances, Motorcycles, Cars or FluorescentLamps.Interference Noisy SoundVolume (Check the Mute function)Check the COLOUR SYS. (Refer to page 17).Normal Picture No SoundNot plugged in, switched OFF or Set to Stand By. Checkvolume, brightness, and contrast levels.Various internal safety devices may have been triggered.Switch the TV off for a few minutes and try again.No Picture No SoundColour Control.If the picture is from a tape playback, try adjusting thetracking.Check the COLOUR SYS. (Refer to page 17).No Colour Normal SoundRetune the Television. (Refer to page 25).Check the COLOUR SYS. (Refer to page 17).Scrambled Normal or Weak SoundMagnetic Interference from unshielded equipment or thetelevision may have been moved while it was switched ON.(Switch the television OFF with the main power switch andleave it OFF for about 30 minutes. Refer to page 27.Colour Patches Normal SoundPicture Menu (Refer to page 12).Sound Menu (Refer to page 14).Rolling Picture Noisy Sound Check the COLOUR SYS. (Refer to page 17).