27FAQsBefore requesting service or assistance, please follow these simple guides to solve the problem.When an error message appears, follow the message’s instructions. If the problem still persists, contact your localPanasonic dealer or the authorised service centre.White spots or shadow images (noise)● Check the position, direction and connection of theaerial.Picture quality problem● Check the settings of the Picture Menu.● Set [Noise Reduction] and [MPEG NoiseReduction] to remove noise (p. 13).● Check nearby electrical products (car, motorcycle,fluorescent lamp).● Reset channels.● Check that the output of the external equipmentmatches the input of the TV.Sound quality problem● Check the volume level or sound mute.● Check connections and setting of externalequipment.● Ensure that [Speaker Selection] is set to [TV](p. 24).● Sound signal reception may be deteriorated.● Set [MPX] to [Mono] (p. 15).Picture or sound problems with HDMI connection● Check the HDMI cable is connected properly.● Turn the TV and equipment off, then turn them onagain.● Check an input signal from the equipment.● Use equipment compliant with EIA/CEA-861/861D.● Set the sound setting of the connected equipmentto “2ch L.PCM”.● Check the [HDMI Input] setting (p. 15).● If digital sound connection has a problem, selectanalogue sound connection.The TV does not switch on● Check the mains lead is plugged into the TV andthe socket outlet.The TV goes into Standby mode● Auto power standby function is activated.The remote control does not work or isintermittent● Are the batteries installed correctly? (p. 9)● Has the TV been switched on?● The batteries may be running low. Replace themwith new ones.● Point the remote control directly at the TV’s remotecontrol signal receiver (within about 7 m and a 30degree angle of the signal receiver).● Situate the TV away from sunshine or other sourcesof bright light not to shine on the TV’s remotecontrol signal receiver.No image can be displayed● Check the TV is turned on.● Check the mains lead is plugged into the TV andthe socket outlet.● Check the correct input mode is selected.● Check the setting of [AV] ([COMPONENT] /[VIDEO]) in [Input Selection] to match the output ofthe external equipment (p. 12).● Check the settings of the Picture Menu.● Check all required cables and connections arefirmly in place.Unusual image is displayed● Turn the TV off with Mains power On / Off switch,then turn it on again.● If the problem persists, initialise all settings.[Shipping Condition] (p. 16)[Shop] appears on screen at switch on● [Shop] was selected in [Auto Tuning] when theTV is turned on for the first time. Reset settings in[Shipping Condition], then select [Home] in [AutoTuning].Unusual sound from the TV● When the power is on, drive noise may be heardfrom inside the TV (not a sign of faulty operation).Parts of the TV become hot● Even if the temperature of parts of the front, top andrear panels has risen, these temperature rises donot cause any problems in terms of performanceor quality.Permanently lit spots on screen● Due to production process involved in thistechnology this may result in some pixels which arepermanently lit or unlit. This is not a malfunction.Overcurrent error message appears● The connected USB device might cause this error.Remove the device and turn the TV to standbymode with Standby On / Off switch, then turn it onagain.● Check foreign objects are not inside the USB port.