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■ Open Accessory
Symptom Possible cause
● No sound is
produced.
● The device is not playing.
● The device is not properly
plugged in to the unit.
● The AC power cord of the
unit is not plugged in.
● Device will not
charge.
● The device is not making
full contact with the USB
terminal.
■ Tuner
Symptom Possible cause
The radio makes
unusual noises
continuously.
The unit is placed near the
TV or computer.
The FM antenna is not
properly extended or
positioned.
■ USB
Symptom Possible cause
Device cannot be
detected.
There is no MP3/WMA le
inside the device.
The device is not properly
connected.
A MTP device is connected.
The device contains AAC
le only.
Playback does not
start.
A copyright-protected WMA
or false MP3 le is being
played back.
Wrong time display.
Wrong le name
display.
A Variable Bitrate les are
being played back.
The File Name was written
in other than English
characters.
■ iPod or iPhone
Symptom Possible cause
No sound is
produced.
The iPod or iPhone is not
playing.
The iPod or iPhone is not
properly connected to the
unit.
The AC power cord of the
unit is not plugged in.
iPod or iPhone will
not charge.
The iPod or iPhone is not
making full contact with the
connector.
Using iPod (3rd
generation).
The iPod or iPhone is not
supported. Refer to page
15 for compatible models.
“This accessory is
not made to work
with iPhone” or “This
accessory is not
supported by iPhone”
appears on iPhone
screen.
The iPhone battery is low.
Please charge the iPhone.
■ Condensation
Sudden temperature changes, storage or operation in an
extremely humid environment may cause condensation
inside the cabinet or on the transmitter on the remote
control. Condensation can cause the unit to malfunction. If
this happens, leave the power on until normal playback is
possible (about 1 hour). Wipe off any condensation on the
transmitter with a soft cloth before operating the unit.
■ If problem occurs
When this product is subjected to strong external
interference (mechanical shock, excessive static electricity,
abnormal supply voltage due to lightning, etc.) or if it is
operated incorrectly, it may malfunction.
If such a problem occurs, do the following:
1 Set the unit to the standby mode and turn the power
on again.
2 If the unit is not restored in the previous operation, unplug
and plug in the unit again, and then turn the power on.
Note:
If neither operation above restores the unit, clear all the
memory by resetting it.
■ Factory reset, clearing all memory
1 Press the ON/STANDBY button to turn the power on.
2 Press the AUDIO IN button on the remote control or
TUNER/AUDIO IN button on the main unit repeteadly to
select AUDIO IN function.
3 Press
button on the main unit once.
4 Press and hold USB
/ button on the main unit until
reset appears.
Caution:
This operation will erase all data stored in memory
including tuner preset.
Troubleshooting chart (continued)
E-21
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