Check whether the processor is correctly connected;
Check whether parameter settings of the processor are
correct;
Check whether input source is normal.
USB drive cannot be
normally identified
Check whether the USB drive is well plugged;
Check whether the file system of the USB drive is
supported;
Check whether poor-quality USB extension cable is used;
There is no sound
during USB play
Check whether the current media file has tracks;
Check whether “Voice” in “U play settings” is
enabled and volume is set to a proper value.
Please troubleshoot the devices according to above steps. If problems cannot be
solved, please contact our local dealers or customer service department. Since
there are components with high voltage inside the unit, please DO NOT maintain it
by yourself for the sake of your safety.