JVC KW-V51BT Instruction Manual - Page 55
Troubleshooting - firmware
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REFERENCES Troubleshooting What appears to be trouble is not always serious. Check the following points before calling a service center. • For operations with the external components, refer also to the instructions supplied with the adapters used for the connections (as well as the instructions supplied with the external components). R General No sound comes out of the speakers. • Adjust the volume to the optimum level. • Check the cords and connections. No picture is displayed on the screen. • Turn on the screen. (Page 6) The unit does not work at all. • Reset the unit. (Page 3) The remote controller* does not work. • Replace the battery. * Purchase RM-RK258 separately. R Discs Recordable/Rewritable discs cannot be played back. • Insert a finalized disc. • Finalize the discs with the component which you used for recording. Tracks on the Recordable/Rewritable discs cannot be skipped. • Insert a finalized disc. • Finalize the discs with the component which you used for recording. Playback does not start. • The format of files is not supported by the unit. No picture appears on the external monitor. • Connect the video cord correctly. • Select the correct input on the external monitor. DivX/MPEG1/MPEG2/MP3/WMA/AAC discs cannot be played back. • Record the tracks using a compatible application on the appropriate discs. (Page 51) • Add appropriate extension codes to the file names. Tracks on the Recordable/Rewritable discs are not played back as you have intended them to play. • Playback order may differ from the one played back using other players. R USB "Now Reading..." does not disappear from the screen. • Turn the power off and on again. While playing a track, sound is sometimes interrupted. • The tracks are not properly copied into the USB device. Copy tracks again, and try again. Tracks are not played back as you have intended them to play. • Playback order may differ from the one played back using other players. R iPod/iPhone No sound comes out of the speakers. • Disconnect the iPod/iPhone, then connect it again. • Select another source, then reselect "iPod". The iPod/iPhone does not turn on or does not work. • Check the connecting cable and its connection. • Update the firmware version. • Charge the battery. • Reset the iPod/iPhone. Sound is distorted. • Deactivate the equalizer either on this unit or the iPod/iPhone. A lot of noise is generated. • Turn off (uncheck) "VoiceOver" of the iPod/iPhone. For details, visit . No operations are available when playing back a track containing artwork. • Operate the unit after the artwork has loaded. Continued on the next page... ENGLISH 55