22
In case of diffi
culty
Resetting the Microcomputer
The microcomputer may malfunction (unit cannot be
operated, or shows an erroneous display) if the power
cord is unplugged while the power is ON, or due to
some other external factor. If this happens, execute
the following procedure to reset the microcomputer
and return the unit to its normal operating condition.
When the power is off (standby mode), press and
hold down the [SOUND] button on the main unit
for more than 2 seconds.
Unplug the AC cord and plug it back in if
"FACTORY RESET FINISHED" appears.
• Please note that resetting the microcomputer will clear the
contents of the memory and return the unit to the state it
was in when it left the factory.
Check that following guide for problem resolution.
General
No sound.
\
Plug in AC cord securely.
\
Set the VOLUME control to proper sound level.
\
Make sure the source is set to the source you
want to operate.
\
Pull out the headphones plug from the
headphones jack.
The left and right sound outputs are reverse.
\
Check the speaker connections and location.
The system does not operate by pressing any
buttons.
\
Unplug the AC cord and plug it back in.
This unit is turned OFF spontaneously.
\
A.P.S. is set to ON. Set it to OFF.
CD player operation
"NO DISC" is displayed.
\
Insert a disc correctly (label side up).
\
Clean the disc.
\
Use a new or readable disc.
\
Wait until the moisture condensation at the
lens has cleared.
USB operation
"NO USB" is displayed.
\
Press
button again after press
button.
\
Insert the USB device properly.
"NOT SUPPORT" is displayed.
\
Press
button again after press
button.
Cannot play.
\
Check if the USB mass storage class-
compatible digital audio player is turned ON.
SD operation
"NO SD" is displayed.
\
Press
button again after press
button.
\
Insert the SD card properly.
"NOT SUPPORT" is displayed.
\
Press
button again after press
button.
Cannot play.
\
Insert an SD card containing music fi les.
Radio reception
Noise in radio.
\
Tune to a correct frequency.
\
Adjust the direction of the FM antenna.
\
Adjust the position and direction of the AM
antenna.
\
Increase the distance between the system and
TV or VCR.
Remote control unit
Does not function properly.
\
Replace the batteries.
\
Remove the obstacles.
\
Move closer to the system when using the
remote control and make sure that you are
pointing at unit’s remote sensor.
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