37TroubleshootingIf there is a problem with your TV please refer to the table below to determine the symptoms, then carry out thesuggested check. If this does not solve the problem, please contact your local Panasonic dealer, quoting themodel number and serial number (both found on the rear of the TV).Symptoms ChecksAntenna location, direction or connection.Picture SoundAntenna location, direction or connection.Electrical appliances.Cars / Motorcycles.Fluorescent lights.Volume level.Sound mute switched on.STEREO/SAP/MONOColor controls set at minimum levels.Weak signal.Retune Channel(s).Sound reception may have deteriorated.Set STEREO/SAP/MONO setting (AUDIO ADJUST menu) to SAP orMONO until reception improved.Noisy SoundNormal SoundNo SoundNo SoundNormal SoundNoisy SoundWeak or No SoundWeak, Wrongor No SoundInterferenceMultiple ImagesNormal PictureNo PictureNo ColorSnowy PictureNormal PicturePoor or Distorted PictureCannot operate with the remote control.The battery/ies is/are exhausted.The batteries’ polarity is wrong.The remote control sensor is exposed to strong light from a fluorescentlamp, etc.The main unit is hot.The main unit radiates heat and some of the parts may become hot.This is not a problem for performance or quality.Set up in a location with good ventilation.Do not cover the ventilation holes of the TV with a tablecloth, etc., anddo not place on top of other equipment.There may be red spots, blue spots, greenspots and black spots on the screen.This is a characteristic of liquid crystal panels and is not a problem.The liquid crystal panel is built with very high precision technologygiving you fine picture details. Occasionally, a few non-active pixelsmay appear on the screen as fixed points of red, blue, green, or black.Please note this does not affect the performance of your LCD.TV set to AV mode.Not plugged into AC outlet.Not switched on.Picture / Sound controls set at minimum levels.Check if in Standby mode.