Panasonic RX-D550 Owners Manual - Page 14

Troubleshooting Before requesting service, make the following checks. If you are uncertain about some of the check points, or if the solutions indicated in the following guide does not resolve the issue, then consult your dealer for instructions. To return all settings to the factory defaults When the following situations occur, reset the memory: ≥ There is no response when buttons are pressed. ≥ You want to clear and reset the settings. Preparation Remove the batteries from this unit. 1 Disconnect the AC power supply cord. (Wait for at least 30 seconds before proceeding to step 2.) 2 While pressing and holding down [Í/I] on the unit, reconnect the AC power supply cord. ≥ Keep holding down [Í/I] until "--------" appears on the display. 3 Release [Í/I]. ≥ The settings are returned to the factory defaults. It is necessary to set the settings again. General Sound is distorted or no sound. ≥ Adjust the volume. ≥ If an AC power supply cord or fluorescent lights are near the cords, then keep other appliances and cords away from the cables. Cannot turn on the unit. ≥ After connecting the AC power supply cord or installing the batteries, wait about 10 seconds before turning on the unit. Humming heard during playback. ≥ If an AC power supply cord or fluorescent lights are near the cords, then keep other appliances and cords away from the cables. The unit does not work. ≥ One of the unit's safety devices may have been activated. 1 Press [Í/I] on the unit to switch the unit to standby. ≥ If the unit does not turn off, remove the batteries, and disconnect the AC power supply cord from the AC outlet. After about 30 seconds, insert the batteries or reconnect the AC power supply cord to the AC outlet. Then wait for about 10 seconds. 2 Press [Í/I] on the unit to switch it on. If the unit still cannot be operated, consult the dealer. The display panel lights up and changes continuously in standby mode. ≥ Press and hold [∫] on the unit until "SDEMO OFF" is displayed. Remote control The remote control does not work properly. ≥ The battery is depleted or inserted incorrectly. (l 6) ≥ Keep mobile phones and smart devices away from this unit. Disc Incorrect display or play does not start. ≥ Make sure that the disc is compatible with this unit. (l 13) ≥ There is moisture on the lens. Wait for about an hour and then try again. USB No response when [1/;] is pressed. ≥ Disconnect the USB device and then reconnect it. Alternatively, turn the unit off and on again. The USB device or its contents cannot be read. ≥ The USB device format or its contents is/are not compatible with the unit (l 13). ≥ The USB host function of this product may not work with some USB devices. Slow operation of the USB device. ≥ Large file size or high memory USB device takes longer time to read. The elapsed time displayed is different from the actual play time. ≥ Copy the data to another USB device or backup the data and reformat the USB device. Radio If noise is excessive during FM reception. ≥ Change the audio to be output as monaural. 1 Press [PLAY MENU] repeatedly to select "FM MODE". 2 Press [3, 4] to select "MONO" and then press [OK]. The sound becomes monaural. ≥ To cancel, select "STEREO" or change the frequency. In normal circumstances, select "STEREO". Static or noisy reception is heard while listening to a radio broadcast. ≥ Check and adjust the antenna. ≥ Try to keep a certain amount of distance between the antenna and AC power supply cord. ≥ Turn the TV or other audio players off or separate it from this unit. ≥ Keep mobile phones away from this unit. ≥ Noise would be heard when batteries are low. Connect the AC power supply cord or replace batteries. Stations cannot be selected. ≥ Change the FM frequency step. 1 Press [O, N SELECT] repeatedly to select "FM". (Alternatively, press [FM] on the unit.) 2 Press and hold [FM] on the unit. After a few seconds the display changes to show the current lowest frequency. Continue to hold the button down. The lowest frequency changes and the step is changed. - 14 -