Reference35VQT3V73ReferenceTroubleshooting guideBefore requesting service, please perform thefollowing checks.If the problem remains unresolved, consultyour dealer for instructions.The following do not indicate a problem withthis unit:– Regular disc rotating sounds.– Image disturbance during search.– Image disturbance when replacing 3D discs.∫ Unit doesn’t respond to remotecontrol or front panel buttons.Press and hold [Í/I] on the main unit for3 seconds.– If still unable to turn the unit off, disconnect theAC mains lead, wait 1 minute, then reconnectthe AC mains lead.∫ Cannot eject disc.The unit may have a problem.– “00 RET” is displayed on the unit’s display.To return to the factory preset.¾ Select “Yes” in “Default Settings” in the Setupmenu. (> 34)To return all settings to the factory preset.¾ Reset the unit as follows:– “00 RET” is displayed on the unit’s display.This unit is turned off when the input for theTV is switched.¾ This is a normal phenomenon when usingVIERA Link (HDAVI Control 4 or later). Fordetails please read the operating instructionsfor the TV.The remote control doesn’t work properly.¾ Change the batteries in the remote control.(> 4)¾ The remote control and main unit are usingdifferent codes. If “SET ” is displayed on theunit’s display when a button is pressed on theremote control, change the code on theremote control. (> 34, 39)The TV tuner mode is not displayed when theTV is switched on.¾ This phenomenon may occur, depending onthe TV setting, when “Quick Start” is set to“On”.¾ Depending on the TV, this phenomenon maybe prevented by reconnecting the HDMI cableto a different HDMI input terminal or bychanging the HDMI auto connection setting.Do you have the latest firmware installed?Firmware updates may be released to correctoperating irregularities that are discovered withcertain movies. (> 14)1 While the unit is off, press and hold [KEYS],the yellow button and the blue button on theremote control at the same time for more than5 seconds.2 Repeatedly press the red button on theremote control or [Í/I] on the unit until“06 FTO” is displayed on the unit’s display.3 Press the green button on the remote controlor touch [<] on the unit.SettingsGeneral operation1 While the unit is off, press and hold [KEYS],the yellow button and the blue button on theremote control at the same time for more than5 seconds.2 Repeatedly press the red button on theremote control or [Í/I] on the unit until“08 FIN” is displayed on the unit’s display.3 Press and hold the green button on theremote control or touch and hold [<] on theunit for at least 3 seconds.