Yamaha MCR-840 Owner's Manual page 104

TROUBLESHOOTING
Problem
The USB device
cannot be
recognized.
The DVD player is not
linked with the
receiver.
■ USB
Note
If a transmission error occurs but no status message is displayed on the front panel display of the receiver, check the connection between
the DVD player and the USB device (☞p.11).
Status message
NO USB
OVER CURRENT
46
En
Cause
The USB device is not connected
correctly.
The system control cable is disconnected
from the system connector jacks of the
receiver and/or the DVD player.
Cause
The USB device is not connected.
The USB device is either unplayable on
this system or connected at an incorrect
angle.
Remedy
Connect the USB device correctly.
Connect the system control cable properly to the
system connector jacks of the receiver and the DVD
player.
Remedy
Connect a playable USB device.
Disconnect the USB device. Change the input source
to a device other than USB and back to USB. Then,
correctly connect a playable USB device to the DVD
player.
See
page
11
8
See
page
11
—