10
TROUBLESHOOTING
Symptom Remedy
Sound cannot be heard.
• Adjust the volume to the optimum level.
• Check the cords and connections.
“PROTECT” appears and no
operations can be done.
Check to be sure the terminals of the speaker wires are insulated properly, then reset
the unit. If this does not solve the problem, consult your nearest service center.
• Sound cannot be heard.
• The unit does not turn on.
• Information shown on the display
is incorrect.
Clean the connectors. (➜ 2)
The unit does not work at all.
Reset the unit. (➜ 3)
• Radio reception is poor.
• Static noise while listening to the radio.
• Connect the antenna firmly.
• Pull the antenna out all the way.
“NA FILE” appears.
Make sure the disc contains supported audio files. (➜ 10)
“NO DISC” appears.
Insert a playable disc into the loading slot.
“TOC ERR” appears.
Make sure the disc is clean and inserted properly.
“PLS EJCT” appears.
Reset the unit. If this does not solve the problem, consult your nearest service center.
Disc cannot be ejected.
Press and hold 0 to forcibly eject the disc. Be careful not to drop the disc
when it is ejected. If this does not solve the problem, reset the unit. (➜ 3)
“READ ERR” appears.
Copy the files and folders onto the USB device again. If this does not solve the
problem, reset the USB device or use another USB device.
“NO DVICE” appears.
Connect a USB device, and change the source to USB again.
“COPY PRO” appears.
A copy-protected file is played.
“NO MUSIC” appears.
Connect a USB device that contains playable audio files.
“NA DVICE” appears.
Connect a supported USB device, and check the connections.
“USB ERR” appears.
• Remove the USB device, turn the unit off, then turn it on again.
• Try to connect another USB device.
“iPod ERR” appears.
• Reconnect the iPod.
• Reset the iPod.
Noise is generated.
Skip to another track or change the disc.
Tracks do not play back as you have
intended them to play.
Playback order is determined when files are recorded.
“READING” keeps flashing.
Do not use too many hierarchical levels or folders.
Elapsed playing time is not correct.
This is caused by how the tracks are recorded.
The number of songs contained in
the “SONGS” category of this unit is
different from the iPod/iPhone.
Podcast files are not counted on this unit as this unit does not support the
playback of podcast files.
Correct characters are not displayed
(e.g. album name).
This unit can only display uppercase letters, numbers, and a limited number
of symbols. For
KDC-3257UGM
/
KDC-3357URM
/
KDC-3157UAM
: Uppercase Cyrillic letters can also be displayed if
[RUSSIAN] is set to [RUS ON]. (➜ 4)
MORE INFORMATION
General
• This unit can only play the following CDs:
• Detailed information and notes about the
playable audio files are stated in an online
manual on the following site:
www.kenwood.com/cs/ce/audiofile/
Playable files
• Playable Audio file:
For
KDC-3257UGM
/
KDC-3357URM
/
KDC-3157UAM
:
AAC-LC. (.m4a), MP3 (.mp3), WMA (.wma)
For
KDC-U456
/
KDC-U356
/
KDC-U3056
:
MP3 (.mp3), WMA (.wma)
• Playable disc media: CD-R/RW/ROM
• Playable disc file formats: ISO 9660 Level 1/2,
Joliet, Romeo, Long file name.
• Playable USB device file system: FAT16, FAT32
Although the audio files are complied with
the standards listed above, playback maybe
impossible depending on the types or conditions
of media or device.
Unplayable discs
• Discs that are not round.
• Discs with coloring on the recording surface or
discs that are dirty.
• Recordable/ReWritable discs that have not
been finalized.
• 8 cm CD. Attempting to insert using an adapter
may cause malfunction.
About USB devices
• This unit can play the following files stored on a
USB mass storage class device:
For
KDC-3257UGM
/
KDC-3357URM
/
KDC-3157UAM
:
AAC-LC. (.m4a), MP3 (.mp3), WMA (.wma)
For
KDC-U456
/
KDC-U356
/
KDC-U3056
:
MP3 (.mp3), WMA (.wma)
• You cannot connect a USB device via a USB hub
and Multi Card Reader.
• Connecting a cable whose total length is longer
than 5 m may result in abnormal playback.
• This unit cannot recognize a USB device whose
rating is other than 5 V and exceeds 1 A.
About iPod/iPhone
Made for
- iPod touch (1st, 2nd, 3rd, and 4th generation)
- iPod classic
- iPod with video
- iPod nano (1st, 2nd, 3rd, 4th, 5th, and 6th
generation)
- iPhone, iPhone 3G, 3GS, 4, 4S
• For the latest compatible list and software
versions of iPhone/iPod, see: www.kenwood.
com/cs/ce/ipod
• If you start playback after connecting the iPod,
the music that has been played by the iPod is
played first.
In this case, “RESUMING” is displayed without
displaying a folder name, etc. Changing the
browse item will display the correct title, etc.
• You cannot operate iPod if “KENWOOD” or
“ ” is displayed on iPod.
About “KENWOOD Music Editor
Light” and “KENWOOD Music
Control”
• This unit supports the PC application
“KENWOOD Music Editor Light” and Android™
application “KENWOOD Music Control.”
• When you use an audio file with database
information added using the “KENWOOD Music
Editor Light” or “KENWOOD Music Control,”
you can search for a file by title, album or artist
name using Music Search.
• “KENWOOD Music Editor Light” and
“KENWOOD Music Control” are available from
the following web site:
www.kenwood.com/cs/ce/
EN_KDC-U456[MWM0M20]1.indd 10EN_KDC-U456[MWM0M20]1.indd 10 8/9/12 10:28:02 AM8/9/12 10:28:02 AM