28 29FAQs, etc.Frequently Asked QuestionsMaintenanceFAQMaintenanceDisplay panelThe front of the display panel has been specially treated. Wipe the panel surface gently using only a cleaning cloth ora soft, lint-free cloth.• If the surface is particularly dirty, soak a soft, lint-free cloth in a weak detergent solution and then wring the cloth toremove excess liquid. Use this cloth to wipe the surface of the display panel, then wipe it evenly with a dry cloth, ofthe same type, until the surface is dry.• Do not scratch or hit the surface of the panel with fingernails or other hard objects. Furthermore, avoid contactwith volatile substances such as insect sprays, solvents and thinners; otherwise, the quality of the surface may beadversely affected.CabinetIf the cabinet becomes dirty, wipe it with a soft, dry cloth.• If the cabinet is particularly dirty, soak the cloth in a weak detergent solution and then wring the cloth dry.Use this cloth to wipe the cabinet, and then wipe it dry with a dry cloth.• Do not allow any detergent to come into direct contact with the surface of the LCD TV.If water droplets get inside the unit, operating problems may result.• Avoid contact with volatile substances such as insect sprays, solvents and thinner; otherwise, the quality of thecabinet surface may be adversely affected or the coating may peel off. Furthermore, do not leave it for long periodsin contact with articles made from rubber or PVC.Power cord plugWipe the plug with a dry cloth at regular intervals. (Moisture and dust can lead to fire or electrical shock.)First, unplug the Power cord plug from the wall outlet.Before requesting service or assistance, please follow these simple guidelines to resolve the problem.If problem still persists, please contact your local Panasonic dealer or PanasonicServicenter for assistance. For details (p. 32, 33)For additional assistance, please contact us via the website at:www.panasonic.com/contactinfowww.panasonic.caPictures from external equipmentare distorted when the unit isconnected via HDMI• Is the HDMI cable connected properly?(p. 20-21, 27)• Turn Off the TV unit and equipment, then turnthem On again.• Check an input signal from the equipment.(p. 27)• Use equipment compliant withEIA/CEA-861/861B.White spots orshadow images(noise)• Check the position, direction,and connection of the aerial.The LCD panel movesslightly when it ispushed with a fingerClattered sound mightbe heard• There are some loosenessaround the panel to prevent thedamage to the panel.The panel might move slightlywhen it is pushed with a finger,and clattered sound might beheard. This is not a malfunction.The remote control does not work• Are the batteries installed correctly? (p. 6)• Has the battery run down?• To operate external equipment of othermanufacturers, register theremote control codes. (p. 18, 23-24)If 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 the modelnumber and serial number (both found on the rear of the TV).Noisy SoundSnowy PictureNormal SoundMultiple ImagesNoisy SoundInterferenceNo SoundNormal PictureNo SoundNo PictureNormal SoundNo colorWeak or No SoundPoor or Distorted PictureWeak, Wrong or No SoundNormal PictureCannot operate with the remote control.There may be red spots, blue spots,green spots and black spots on thescreen.The main unit is hot.Symptoms ChecksPicture Sound• Antenna location, direction or connection.• Antenna location, direction or connection.• Electrical appliances.Cars / Motorcycles.Fluorescent lights.• Volume level.Sound mute switched on.STEREO/SAP/MONO• TV set to AV mode.Not plugged into wall outlet.Not switched on.Picture / Sound controls set at minimum levels.• Color controls set at minimum levels.Weak signal.• Retune Channel (s).• Sound reception may have deteriorated.Set STEREO/SAP/MONO setting to SAP or MONO until reception improved.• The battery/ies is/are exhausted.The batteries’ polarity is wrong.The remote control sensor is exposed to strong light from a fluorescent lamp, etc.• This is a characteristic of liquid crystal panels and is not a problem. Theliquid crystal panel is built with very high precision technology giving youfine picture details. Occasionally, a few non-active pixels may appear on thescreen as fixed points of red, blue, green, or black.Please note this does not affect the performance of your LCD.• The main unit radiates heat and some of the parts may become hot. This isnot 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., and donot place on top of other equipment.“Control with HDMI” function does notwork • Switch the TV unit on again with the equipment on.• Set “Control with HDMI” to “Off”, then set to “On” again. (p. 19)