79EnglishWhenever the system is not operating as expected, check the following tables to see if you canresolve the problem yourself before requesting service.Symptoms Solution Ref. pageAmplifier/SpeakersNo sound output. Check all connections as described in the System>.Increase the volume.Cancel the MUTE setting.Unplug any headphones plugged into the main unit.zzzz12 - 17222217No sound from theheadphones.Check that the headphone plug is inserted correctly.Increase the volume.Cancel the MUTE setting.zzz172222No sound from one ofthe speakers.Check all connections as described in System>.z 12, 15No time display Set the clock as described in Clock>.z 68The timer does notwork.Set a start time and end time for the program timer.z 70 - 73Symptoms Solution Ref. pageTunerNo radio reception. Connect the antennas.Select the correct band (reception mode).Tune the radio to the frequency of the desired station.Move the main unit, antenna, and AC adapter awayfrom each other.zzzz12424312, 13Interference (noise) Install an outdoor antenna away from roads.Turn off any electrical appliances that may be causinginterference.Move the system away from the TV.Move the main unit, antenna, and AC adapter awayfrom each other.zzzz———12, 13Symptoms Solution Ref. pageUSBNo sound output whenUSB flash memory ora USB audio player isconnected.Plug in the USB flash memory correctly.Connect the USB cable correctly.Check to make sure the USB audio player is turned on.zzz161632Troubleshooting