Instruction manual

73
English
Troubleshooting
Symptoms Solution Ref. page
PC
The PC does not recognize
this system.
z
Connect the PC and this system properly using a USB
cable.
z
If a USB hub is used in the connection, check if the
hub is functioning properly. Alternatively, change the
connected port.
12
No audio output or too
low level.
z
Set the PC properly. 45
Audio is interrupted.
z
The audio may be interrupted if the PC is used for an
operation that imposes a burden on the CPU during
the audio output. Avoid executing operations that may
impose a burden on the CPU.
z
The audio may be interrupted if a USB cable is connected
to or disconnected from another USB connector of the
PC. Do not connect or disconnect the USB cables to
other equipment during audio playback.
—
Audio is noisy.
z
Noise may be noticeable if the system is installed near
a source of strong magnetic waves (TV, etc.). Install the
system away from a source of strong magnetic waves.
9
Microcomputer mal-
function (the system
does not work, the
display is faulty, etc.).
z
Malfunctions may occur due to an external cause or because a connec-
tion cord was unplugged while the system was turned on.
Use the procedure below to reset the microcomputer.
Symptoms Solution
Resetting the microcomputer
1
Unplug the power cord from the AC
wall outlet.
2
Plug the power cord back in while
holding down the power [
K
] key on
the main unit.
3
Upon the start of the microcomputer
resetting, the display shown on the
right appears.
4
When  nish resetting, it turns to
Standby Mode.
z
Bear in mind that resetting erases any
stored information and restores the
system's default settings.
R-K731_E.indb 73
R-K731_E.indb 73
2011/10/07 14:08:53
2011/10/07 14:08:53