17
RQT0A75
Troubleshooting
Before requesting service, make the following checks.
If you are uncertain about some of the check points, or
if the solutions indicated in the following guide does not
resolve the issue, then consult your dealer for
instructions.
Cannot turn on the unit.
≥
After connecting the AC power supply cord, wait about
10 seconds before turning on the unit.
Humming heard during playback.
≥
If an AC power supply cord or fluorescent lights are near the cords,
then keep other appliances and cords away from the cables.
The unit does not work.
≥
One of the unit’s safety devices may have been activated.
1
Press [
Í
/I] on the unit to switch the unit to standby.
≥
If the unit does not switch to standby, press and hold [
Í
/I] on
the unit for approximately 10 seconds.
The unit is forcibly
switched to standby. Alternatively, disconnect the AC power
supply cord, wait for at least 1 minute, then reconnect it.
2
Press [
Í
/I] on the unit to switch it on. If the unit still cannot be
operated, consult the dealer.
Charging does not start.
≥
Select a source other than “USB”.
≥
If charging does not start during standby mode:
Turn the unit on. Check the charging has started, and then turn
the unit to standby mode. (
l
6)
Noise is heard or the sound is interrupted.
≥
Make sure not to place any device which uses radio frequency
(e.g. mobile phone, etc.) on top of this unit.
The remote control does not work properly.
≥
The battery is depleted or inserted incorrectly. (
l
5)
Incorrect display or play does not start.
≥
Make sure that the disc is compatible with this unit. (
l
16)
≥
There is moisture on the lens. Wait for about an hour and then try
again.
No response when [
1
/
;
] is pressed.
≥
Disconnect the USB device and then reconnect it. Alternatively,
turn the unit off and on again.
The USB drive or its contents cannot be read.
≥
The USB drive format or its contents is/are not compatible with the
unit (
l
16).
≥
The USB host function of this product may not work with some
USB devices.
Slow operation of the USB flash drive.
≥
Large file size or high memory USB flash drive takes longer time
to read.
The elapsed time displayed is different from the
actual play time.
≥
Copy the data to another USB device or backup the data and
reformat the USB device.
If noise is excessive during FM reception.
≥
Change the audio to be output as monaural.
1
Press [PLAY MENU] repeatedly to select “FM MODE”.
2
Press [
2
,
1
] to select “MONO” and then press [OK].
The sound becomes monaural.
≥
To cancel, select “STEREO” or change the frequency.
In normal circumstances, select “STEREO”.
Static or noisy reception is heard while listening to
a radio broadcast.
≥
Confirm the antenna is properly connected. (
l
5)
≥
Adjust the position of the antenna.
≥
Try to keep a certain amount of distance between the antenna and
AC power supply cord.
≥
Try using an outdoor antenna if there are buildings or mountains
nearby.
≥
Turn the TV or other audio players off or separate it from this unit.
≥
Keep this unit away from mobile phones if there is interference.
Stations cannot be selected.
≥
Change the FM frequency step.
1
Press [SELECTOR,
s
PAIRING] repeatedly to select “FM”.
2
Press and hold [
∫
] on the unit.
≥
After a few seconds the display changes to show the
current lowest frequency. Continue to hold the button
down. The lowest frequency changes and the step is
changed.
To return all settings to the factory defaults
Perform this procedure when the following situations
occur:
≥
There is no response when buttons are pressed.
≥
You want to clear and reset the settings.
1
Disconnect the AC power supply cord. (Wait for
at least 1 minute before proceeding to step
2
.)
2
While pressing and holding down [
Í
/I] on the
unit, reconnect the AC power supply cord.
≥
“INITIALIZING” appears on the display.
≥
Keep holding down [
Í
/I] until “---------” appears on the
display.
3
Release [
Í
/I].
≥
All the settings are returned to the factory defaults. You will
need to make the settings again.
≥
The recorded contents in the internal memory are
maintained.
General
Remote control
Disc
USB
Radio
SC-RS50_PC_RQT0A75-C.book 17 ページ ２０１６年２月２３日 火曜日 午前９時５４分
