Panasonic Mp3 Cd Player Cq 5250u Operating Instructions

							21CQ-5250U
❐To Remove the Unit from the vehicles dashboard
Insert each Removal Tool i and pull.
Note:Do not lose Removal Tools. They will be needed to remove the unit from t\
he vehicles dashboard. i
Removal Tool
(U-shaped)
Method for Fixing the Rear of the Unit
Fire Wall of Vehicle
yHex. Bolt 
   (5 mmø x 25 mm)
uToothed Lock Washer rHex. Nut (5 mmø)
rHex. Nut
eSpring Washer
eSpring Washer
wPlain Washer
wPlain Washer
tRear Support Strap
   Mounting Bolt (5 mmø)
qMounting Collar
Mounting bolt
(5 mmø)
q Mounting collar Rear support bracket
(provided on the vehicle)
Rubber cushion (option)
(a) Using the rear support strap 
t(b) Using the rubber cushion (option)
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							22CQ-5250U
Electrical Connections
Caution
• This wiring information is for experienced technical individual, for saf\
ety reason, please your dealer wire this connection.
• This product is designed to operate with a 12 V DC, negative ground batt\
ery system.
• To prevent damage to the unit, be sure to follow the connection diagram \
below.
• Do not insert the power connector into the unit until the wiring is comp\
leted.
• Be sure to insulate any exposed wires from a possible short-circuit from\
 the vehicle chassis. Bundle all cables and keep cable
terminals free from touching any metal parts.
• Remember, if your vehicle has a drive computer or a navigation computer,\
 the data of its memory maybe erased when the bat- tery terminals are disconnected.
(Rear Side)
CD Receiver
CQ-5250U
Antenna
Accessory Power(ACC)
(+12 V DC, negative ground
 only)
Ground Lead
(Connect to a clean, bare
 metallic part of your vehicle)
Battery Lead
(Connect to vehicle battery)
(Red)
ACC
Ground (Black)
(Yellow)
Battery
Illumination Lead
(Not used)
(Orange)
Illumination
(Violet)
(Violet/Black)
(Gray/Black)
(Green)
(Green/Black)
(White/Black) (Gray)
(white)
Left Speaker (Front) Right Speaker
(Front) Left Speaker
(Rear) Right Speaker
(Rear)
Power Connector
The power connector does not come
along with the unit. If need, please
consult your dealer.
Detail of power connector
NO. FUNCTION NO. FUNCTION 1BA TTERY +12 V 9 REAR SP R (–)
2 GROUND 10 REAR SP R (+)
3 
T
T
T
T 11 FRONT SP R (–)
4 
T
T
T
T 12 FRONT SP R (+)
5 
T
T
T
T 13 FRONT SP L (–)
6 POWER +12 V ACC 14 FRONT SP L (+)
7 
T
T
T
T 15 REAR SP L (–)
8 
T
T
T
T 16 REAR SP L (+)

4
10 12 14 16
7
86 42 53 1
9111315
❐
Wiring Diagram
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							23CQ-5250U
Troubleshooting
If You Suspect Something Wrong
Check and take steps as described below.
If the described suggestions do not solve the problem, it is
recommended to take the unit to your nearest authorized Panasonic
Servicenter. The product should be serviced only by qualified personnel.\
Please refer the checking and the repair to professionals. Panasonic
shall not be liable for any accidents arising out of neglect of checking\
 the
unit or your own repair after your checking.
Never take measures especially for those other than indicated by  ital-
ic letters in “Possible Solution” described below because those are
too dangerous for users to handle themselves.Wa rning
¡Do not use the unit in an irregular condition, for
example, without sound, or with smoke or a foul
smell, which can cause ignition or electric shock.
Immediately stop using the unit and consult your
dealer.
¡ Never try to repair the unit by yourself because it is
dangerous to do so.
ProblemPossible cause
aPossible solution
No power to the unit
The power cord (battery, power and ground) is connected in the wrong w\
ay.
a
Check the wiring.
Fuse blows out.
a Eliminate the cause of fuse blowout and replace the fuse with new one.
Consult your dealer.
Sound is not generated.
MUTE is set to ON.
aSet MUTE to OFF.
There is contact between the external mute lead and the chassis.
a Connect the external mute lead correctly. If the lead is unused, insulat\
e it.
The wiring of speaker lines are not correct, or a break or poor contact \
arises.
a Check the wiring in accordance with the wiring diagram.
Noise
There is an electromagnetic-wave generator such as a cellular phone near\
 the unit or
its electrical lines.
aKeep an electromagnetic-wave generator such as a cellular phone away fro\
m
the unit and the wiring of the unit. In case that noise cannot be elimin\
ated
due to the wiring harness of the car, consult your dealer.
The contact of the ground lead is poor.
a Make sure that the ground lead is connected to an unpainted part of the \
chas-
sis securely.
Noise is made in step with
engine revolutions.Alternator noise comes from the car.
aChange the wiring position of the ground lead.
a Mount a noise filter on the power supply.
Common
Some operations are not
executable.Some operations are not executable in particular modes such as menu mode\
.
aRead the operating instructions carefully and cancel the mode. If the un\
it is
still out of order, consult your dealer.
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							24CQ-5250U
No sound from speaker(s)
BALANCE/FADER setting is not appropriate.
aReadjust BALANCE/FADER.
There is a break, a short circuit, poor contact or wrong wiring regardin\
g the speaker
wiring.
a Check the speaker wiring.
The speaker channels are
reversed between right and left.The speaker wiring is confused between right and left.
aPerform the speaker wiring in accordance with the wiring diagram.
The sound field is not clear in
the stereo mode. Centralsound does not settled.The plus and minus terminals at right and left channels of speakers are \
connected
reversely.
a Perform the speaker wiring in accordance with the wiring diagram.
The power fails
unintentionally.The safety device works.
a Consult your dealer, or your nearest Panasonic Servicenter.
Poor reception or noise
Antenna installation or wiring of antenna cable is faulty.
aCheck whether the antenna mounting position and its wiring are correct. \
In
addition, check to see whether the antenna ground is securely connected \
to
the chassis.
No power is supplied to the antenna amplifier (when using a film antenn\
a, etc.).
a Check the wiring of the antenna battery lead.
Radio
The number of auto preset
stations is less than 6.The number of receivable stations is less than 6.
a Move to an area where receivable stations number is maximum, and try pre\
-
setting.
Preset stations cannot be
stored.The contact of the battery lead is poor, or the battery lead is not alwa\
ys powered.
aMake sure that the battery lead is connected securely, and preset statio\
ns
again.
Troubleshooting (continued)
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							25CQ-5250U
No playback or disc ejected
The disc is inserted upside down.
aInsert a disc correctly.
There is a flaw or foreign material on the disc.
a Remove the foreign material, or use a flawless disc.
Sound skipping or noiseThere is a flaw or foreign material on the disc.
aRemove the foreign material, or use a flawless disc. 
Sound skipping due to
vibration 
The unit is not sufficiently secured.
aSecure the unit to the console box.
The unit is tilted at over 30˚ in the front-to-end direction.
a Make the angle 30˚ or less.
Disc unejectable
Something such as a peeled label obstructs the disc coming out.
aConsult your dealer.
The microcontroller in the unit operates abnormally due to noise or othe\
r factors.
a Unplug the power cord and plug it again.  In case the unit is still out of order,
consult your dealer.
CD
The CD-R/RWs that are
playable on other devices are not playable on this unit.The playability of some CD-Rs/RWs may depend on the combination of media\
,
recording software and recorder to be used even if these CD-Rs/RWs are p\
layable
on other devices such as a PC.
a Make CD-R/RWs in different combination of media, recording software and
recorder after referring to the description about the compressed audio p\
layer.
Sound skipping or noise
There is a flaw or foreign material on the disc.
aRemove the foreign material, or use a flawless disc.
Playing VBR (Variable Bit Rate) files may cause sound skipping.
a Play Non-VBR files.
No playback or disc ejectedThe disc has unplayable formatted data.
aCheck the file format.
Note: Refer to “Notes on MP3/WMA”. (a Page 30)
MP3/WMA
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							26CQ-5250U
Music is not played back evenif the USB device isconnected.
The USB device and USB extension cable are not connected correctly.
aConnect the USB device and USB extension cable correctly.
There is no music stored in a format that is supported on this unit.
a Check if there is any music data that can be played stored on the USB de\
vice.
The file system of the USB device is not compatible with this unit.
a Use a USB device with a FAT12/16/32 file system.
The current consumption of the USB device exceeds 500 mA.
a Use a USB device with a current consumption lower than 500 mA.
“READING” is displayed but
music is not played back.
A USB hub is connected.
a Do not use a USB hub.
Too many recorded folders/files exist.
a When there are too many recorded folders/files, it may take a long time \
to
read all of the files.
USB
Troubleshooting (continued)
Product Servicing
If the suggestions in the charts do not solve the problem, we recommend \
that you take it to your nearest authorized Panasonic
Servicenter. The product should be serviced only by a qualified technici\
an.
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							27CQ-5250U
Error Display Messages
The player for some reason cannot read the file you are trying to play. \
(File recorded
in an unsupported file system, compression scheme, data format, file nam\
e exten-
sion, damaged data, etc.)
aSelect a file that the player can read. Check the type of data recorded \
on the
disc. Create a new disc if necessary.
The disc is dirty, or is upside down.
aCheck the disc.
The disc has scratches.
a Check the disc.
No operation by some cause.
a Unplug the power cord and plug it again.  In case the unit is still out of order,
consult your dealer.
A WMA file can be copyrighted. 
a The file protected by copyright is not playable.
No disc in the player. 
aInsert disc into the disc slot.
CD/MP3/WMA
DisplayPossible cause
aPossible solution
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							28CQ-5250U
USB
A USB device the capacity of which exceeds the acceptable current was co\
nnected.
For some reason, an over-current was detected.
aUse a USB device that has a consumption current of less than 500 mA.
a Switch the source, and select the USB mode again. 
a Check that the USB connector section is not dirty, and that there is no \
foreign
material.
No operation by some cause.
aTurn off the power and turn on the power again, or turn the key to the A\
CC OFF
position and turn the key to ACC ON position again. If this does not solve the
problem, unplug the power cord and plug it in again. In case the unit is\
 still
out of order, consult your dealer.
The player for some reason cannot read the file you are trying to play. \
(File recorded
in an unsupported file system, compression scheme, data format, file nam\
e
extension, damaged data, etc.)
a Confirm that the USB extension cable is firmly connected, and reconnect \
if
not. Select a file that the player can read. Check the type of data stor\
ed in the
USB device. Format the USB device if necessary.
A WMA file can be copyrighted. 
aThe file protected by copyright is not playable.
A USB device is not connected or the connected device cannot be recogniz\
ed.
a Use the type of USB memory that is suitable for this unit.
Your USB device has no playable file.
aDownload playable file to your USB device.
Error Display Messages (continued)
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							29CQ-5250U
To remove stubborn stains
1 Moisten the soft cloth in dishwashing
soap diluted with water and wring well.
2 Wipe lightly. Go over the same surface
with a dry cloth.
Note:
¡ Since there is the possibility of water drops getting
inside of the unit, do not directly apply cleanser to the
surface.
¡ Do not scratch the screen with your nails or other hard
objects. The resulting scratches or marks will obscure
the images.
Your product is designed and manufactured to ensure a
minimum of maintenance. Use a dry soft cloth for routine
exterior cleaning. Never use benzine, thinner or other sol-
vents.
Alcohol
Pesticide Wax
Benzine
Thinner
Caution
¡
If water drops or similar wet substances get inside the
unit, it may cause a malfunction.
Alcohol
Pesticide Wax
Benzine
Thinner
Cleaning this Unit
Maintenance
Caution
This product is designed without a fuse inside due to fuses already exis\
t in your vehicle. We would recommend to use fuses
of the specified rating (15 A). Using fuses that exceed the prescribed\
 capacity could cause this product to start smoking,
ignite or other malfunction.
If your vehicle is without the fuse or a circuit breaker to protect this\
 unit, please your dealer add the specified fuse 15 A or a
circuit breaker at the BATTERY lead of your vehicles harness. Please se\
e page 22 to find out where BATTERY +12V is for
your dealer adding the fuse or the circuit breaker.
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							30CQ-5250U
Notes on MP3/WMA
Display Information
Displayable characters
¡Displayable length of file name/folder name: within 30 charac-
ters. (Unicoded file and folder names are reduced by half in
the number of displayable characters.)
¡ Name files and folders in accordance with the standard of
each file system. Refer to the instructions of writing software
for details.
¡ ASCII character set and special characters in each language
can be displayed. ASCII character set
A to Z, a to z, digits 0 to 9, and the following symbols:
(space) ! ” # $ % & ’ ( )  * + , - . / : ; < = > ? @ [  ] ˆ\
 _ ` { | }
~
Notes:
¡ Characters may be garbled depending on encoding software
to be used
¡ Undisplayable characters and symbols will be converted into
an asterisk (
*).
Common¡High bit rate and high sampling frequency are recommended
for high quality sounds.
¡ Selecting VBR (Variable Bit Rate) is not recommended
because playing time is not displayed properly and sound
may be skipped.
¡ The playback sound quality differs depending on the encoding
circumstances. For details, refer to the user manual of your
own encoding software and writing software.
¡ Be sure to put an extension compatible with the format.MP3¡It is recommended to set the bit rate to “128 kbps or more”
and “fixed”.
WMA¡It is recommended to set the bit rate to “64 kbps or more”
and “fixed”.
¡ Do not set the copy protect attribute on the WMA file to
enable this unit to play back.
CautionNever put an extension indicating compressed audio (such as “.mp3”\
 and “.wma”) to files other than com-
pressed audio files. This may not only produce noise from the speaker da\
mage, but also damage your
hearing.
Cautions as to compressed audio files
Both of MP3 (MPEG Audio Layer-3) and WMA (Windows Media™ Audio) i\
s a format for compressed audio file. These formats allow
users to save all the files contained in approximately 10 pieces of exis\
ting CDs on one piece of CD-R/RW.
Note: Each of encoding software is not included with this unit.
*MPEG Layer-3 audio coding technology licensed from Fraunhofer IIS and T\
homson.
32, 44.1, 48 kHz
Yes
64 k – 160 kbps
Windows Media Audio Ver. 2, 7, 8, 9* 8, 11.025, 12 kHz
Yes
8 k – 160 kbps
MPEG 2.5  audio layer 3 (MP3) 16, 22.05, 24 kHz
Yes
8 k – 160 kbps
MPEG 2 audio layer 3 (MP3) 32, 44.1, 48 kHz
Yes
32 k – 320 kbps
MPEG 1 audio layer 3 (MP3) Sampling frequency
VBR
Bit rate
Compression method
Compression formats
* WMA 9 Professional/LossLess/Voice are not supported.
Cautions as to the display of this unit
¡ CD-TEXT
Disc title 
Track title
¡ MP3/WMA
Folder name, 
File name ¡
MP3 (ID3 tag)
Album name, 
Title name/artist name
¡ WMA (WMA tag)
Album name, 
Title name/artist name
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