TroubleshootingSQT0139100Troubleshooting guideThis unit does not recognize the USB devicecorrectly.• If inserted during playback the USB device maynot be recognized by this unit.Disconnect and reconnect the USB device. If itstill does not recognize the connection, switchthe unit to standby mode and turn it on again.• USB devices connected using a USB extensioncable other than a dedicated one or a USB hubmay not be recognized by this unit.• This unit does not recognize USB HDDs otherthan those in which the size of one sector is512-bytes or 4096-bytes. (For details, consultthe dealer of your USB HDD.)The TV Guide information is not displayedproperly.• Set the clock correctly. (> 76, 87, Clock)• Some broadcast may not send programmeinformation.• There was a programme change, or TV Guideinformation from a broadcast station waspossibly not correctly transmitted.• If signal quality is bad, the TV Guide systemmay not be able to receive any data.Picture regularly breaks up on somechannels.• Adjust the reception with “Manual Tuning”.(> 76, 79)Picture very infrequently breaks up on someor all channels.• Electrical atmospheric interference caused bybad weather may cause pictures to break upand audio to mute or distort momentarily.VIERA Link does not work.• Some functions may not work depending on theversion of “HDAVI Control” of the connected TV,etc. This unit supports “HDAVI Control 5”functions.• Check the settings of the connected TV, etc.• If the connection for the equipment connectedwith HDMI was changed, or if there was a powerfailure or the plug was removed from thehousehold mains socket, “HDAVI Control” maynot work.In this case, change TV (VIERA) setting for“HDAVI Control” again.• This unit does not support “ONE TOUCH PLAY”function of the Panasonic AV Control Receiver.USBTV GuideBroadcastVIERA Link