There Is No Sound (Usb) - Sony SRS-ZR7 Help Manual

Help Guide
Personal Audio System
SRS-ZR7

There is no sound (USB)

The USB device is not connected correctly. Turn off the speaker, then reconnect the USB device.
To listen to music on a PC connected to the USB-B port (
change to a mode other than the USB-B mode by pressing the FUNCTION button, the connection between the application on
the PC and the speaker may disconnect. For details, refer to the operating instructions or help guide of the music playback
application.
After changing to a mode other than the USB-B mode by tapping the FUNCTION button, tap the FUNCTION button again to
change to the USB-B mode.
Related Topic
Parts and controls
4-592-259-11(1) Copyright 2016 Sony Corporation
B), restart the music playback application on the PC. If you
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