Frequently Asked QuestionsTechnical57HDMI SoundProblem ActionsNo sound is produced Is “Sound Mute” active? (p. 17)Is the volume set to the minimum?●●Sound level is lowor sound is distortedSound signal reception may be deteriorated.Set “MPX” (p. 30) in the Sound Menu to “Mono”.●●Unusual sound from thedisplay unitWhen power is on, drive noise may be heard from inside thedisplay unit. This is not a sign of faulty operation.●Sound is unusualSet the sound setting of the connected equipment to “2ch L.PCM”.Check the “HDMI1 / 4 Input” setting in the Sound Menu. (p. 31)If digital sound connection has a problem, select analogue soundconnection. (p. 54)●●●Pictures from external equipmentare unusual when the equipmentis connected via HDMIIs the HDMI cable connected properly? (p. 50)Turn Off the TV and equipment, then turn them On again.Check an input signal from the equipment. (p. 55)Use an equipment compliant with EIA/CEA-861/861B.●●●●Due to the digital reception technologies involved, quality of the Digital TV signals may be relatively low insome cases, despite good reception of Analogue TV channels.●Unable to receive signalswith a high-performanceaerialInstall an aerial individually for the TV and VCR(or use a splitter).●TVVCR(Individual aerial)(Individual aerial)AerialInputterminalSplitterAerial OutputAerial InputAerial OutputInterference orfrozen / disappearingimage in Digital TVCheck “Digital TV Signal Condition”. (p. 38)If “Signal Quality” or “Signal Strength” are displayed in red, checkaerial.If problem persists, consult your local Panasonic dealer.Turn the TV off with the Mains power On / Off switch, then turn itOn again.Remove the mains plug of the tuner box from the wall socket andconnect it again to turn it on.●●●TV goes into “Standby mode” Off Timer function is activated.The TV enters “Standby mode” about 30 mins. after analoguebroadcasting ends.●●The remote control does notwork or is intermittentAre the batteries installed correctly? (p. 8)Has the TV been switched On?Has the remote control been registered? (p. 19)The batteries may be running low. Replace them.Use the remote control within the range of 7 m from the tuner box.Keep the remote control away from the devices such as wirelessLAN, microwaves, mobile phones or other electric equipment toavoid wave interference.●●●●●●Cannot operate the TVTurn the display unit and the tuner box off, and then on again.Check the transmission range of the wireless unit if you use it.(p. 12)If the problem persists, use the supplied HDMI cable to connect thedisplay unit and the tuner box instead of the wireless unit. (p. 12)●●Parts of the display unit or thetuner box become hotThe temperature rises will not cause any problems in terms ofperformance or quality.●Digital TVOther