21
RQT9709
Troubleshooting
Before requesting service, make the following checks.
If you are in doubt about some of the check points, or if
the solutions indicated in the following guide do not
solve the problem, consult your dealer for instructions.
Do you have the latest software installed?
≥
Occasionally, Panasonic may release updated software for
this unit that may add or improve the way a feature operates.
(
>
20)
Humming heard during play.
≥
An AC mains lead or fluorescent light is near the cords. Keep
other appliances and cords away from this unit’s cables.
MP3 cannot be read.
≥
You may not be able to play MP3 if you have copied a
multi-session disc that has no data between sessions.
≥
When creating a multi-session disc, it is necessary to close
the session.
≥
The amount of data on the disc is too small. Set the amount
of data to above 5 MB.
Incorrect display or play will not start.
≥
Make sure that the disc is compatible with this unit.
(
>
6)
≥
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 (
>
6).
≥
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.
DAB/DAB+ reception is poor.
≥
Keep the antenna away from computers, televisions, other
cables and cords.
≥
Use an outdoor antenna (
>
10).
A beat sound or noise is heard while receiving
radio broadcast.
≥
Confirm the DAB antenna is properly connected. (
>
10)
≥
Adjust the position of the antenna.
≥
Try to keep a certain amount of distance between the
antenna and AC mains lead.
≥
Try to use outdoor antenna if there are buildings or
mountains nearby.
≥
Switch the television or other audio player off or separate it
from the unit.
≥
Keep this unit away from mobile phones if the interference is
apparent.
Cannot charge or operate.
≥
Check that the iPod/iPhone is connected firmly. (
>
10)
≥
The battery of the iPod/iPhone is depleted. Charge the iPod/
iPhone, and then operate again.
≥
When unexpected operation occurs while using the iPod/
iPhone, connect the iPod/iPhone again or try to restart the
iPod/iPhone.
To return all settings to the factory preset
When the following situations occur, reset the
memory:
≥
There is no response when buttons are pressed.
≥
You want to clear and reset the memory contents.
1
Disconnect the AC mains lead. (Wait for at least
3 minutes before proceeding to step
2
.)
2
While pressing and holding down [
Í
/I] on the
main unit, reconnect the AC mains lead.
≥
“--------” appears on the display.
3
Release [
Í
/I].
All the settings are returned to the factory preset. You will
need to reset the memory items.
Common problems
Disc operations
USB operations
Radio
iPod/iPhone operations
SC-HC57DB~RQT9709-1B.book Page 21 Friday, March 2, 2012 3:31 PM