Yamaha A-U671 Owner's Manual page 19

TROUBLESHOOTING
Problem
Noisy playback.
The sound is interrupted.
Music files cannot be played.
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En
Cause
Another application is launched on the PC while a music file is
being played.
(If another application is launched while a music file is being
played, sound may be momentarily lost or noise may be generated.)
Another application is launched on the PC while a music file is
being played.
(If another application is launched while a music file is being
played, sound may be momentarily lost or noise may be generated.)
The music data are not properly reproduced, because this unit is
connected to the PC or the input of this unit is switched to USB
while the music application is running on the PC.
The dedicated "Yamaha HiFi USB Driver" has not been installed
correctly.
The audio output destination of the computer is not set to "Yamaha
A-U670/A-U671."
Solution
Do not launch other applications during playback.
Do not launch other applications during playback.
Connect this unit to the PC and set the input of the unit to USB in
advance. Then launch the music application and start playback.
Install the "Yamaha HiFi USB Driver" again by following the correct
procedure.
Set the audio output destination of the computer to "Yamaha A-U670/A-
U671."
See page
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