Kenwood Car Stereo System KDC 3051G User Manual

KDC-3051R  
KDC-3051G  
KDC-3051RY  
KDC-3051GY  
KDC-315A  
KDC-315R  
KDC-3251RY  
CIND-SRETCERIVUERCTION MANUAL  
AMMOPLID-TUENEDR LEECMTEUPRLDOE CID  
РИAHДИCОПTРPИЕУMKНИЦКИС KЯOMППOAKTЭДKИCСKПAЛMИУATAЦИИ  
АІНВТСОМТАРГНУІТКОЦЛАІЯ З ЕКСПЛУАТАЦІЇ  
This symbol mark indicates that Kenwood manufactured this product so as to decrease  
harmful influence on the environment.  
Изделие изготовлено в Mалайзии  
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© 2010 Kenwood Corporation All Rights Reserved.  
GET0671-001A (EW/E2W)  
Safety  
CONTENTS  
Safety  
WARNING  
2
4
Stop the car before operating the unit.  
Preparation  
Important to know...  
How to attach/detach the faceplate  
How to reset your unit  
Initial settings before operations  
To prevent a short circuit, never put or  
leave any metallic objects (such as coins or  
metal tools) inside the unit.  
Caution: Adjust the volume so that you  
can hear sounds outside the car. Driving  
with the volume too high may cause an  
accident.  
Condensation: When the car is air-  
conditioned, moisture may collect on the  
laser lens. This may cause disc read errors.  
In this case, remothe disc and wait for  
the moisture to aporate.  
Basic operations  
Getting started  
5
6
Canceling the display demonstration  
Setting the demonstration mode  
Adjusting the clock  
Listening to the radio  
6
8
Adjust [SETTINGS] mode settings  
This unit can only play the CDs with:  
Listening to a disc  
Selecting Repeat Play  
Selecting Random Play  
Selecting Scan Play  
The illustrations in this manual are  
examples used to explain more clearly  
how the controls are used. Therefore, what  
appears on the illustrations may differ from  
what appears on the actual equipment.  
If you experience problems during  
installation, consult your Kenwood dealer.  
When you purchase external components,  
check with your Kenwood dealer to make  
sure that they work with your model and in  
your area.  
Selecting a folder/track/file  
Listening to the other external  
components  
9
Function settings  
10  
11  
12  
Troubleshooting  
Installation/connection  
Detailed information and notes about the  
playable audio files are stated in an online  
manual on the following site:  
Basic procedure  
Warning  
Caution  
Wiring connection  
Installing the unit  
Specifications  
15  
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The marking of products using lasers  
Declaration of Conformity with regard to  
the EMC Directive 2004/108/EC  
Manufacturer:  
The label is attached to the chassis/case and  
says that the component uses laser beams  
that have been classified as Class 1. It means  
that the unit is utilizing laser beams that  
are of a weaker class. There is no danger of  
hazardous radiation outside the unit.  
Kenwood Corporation  
2967-3 Ishikawa-machi, Hachioji-shi, Tokyo,  
192-8525 Japan  
EU Representative’s:  
Kenwood Electronics Europe BV  
Amsterdamseweg 37, 1422 AC UITHOORN,  
The Netherlands  
For Turkey  
Bu ürün 26891sayılı Resmi Gazete’de  
yayımlanan Elektrikli ve Elektronik Eşyalarda  
Bazı Zararlı Maddelerin Kullanımının  
Sınırlandırılmasına DaYönetmeliğe uygun  
olarak üretilmiştir.  
This Product is not installed by the  
manufacturer of a vehicle on the production  
line, nor by the professional importer of a  
vehicle into an EU Member State.  
This product complies with Directive,  
Number 26891 regardingREGULATION ON  
THE RESTRICTION OF THE USE OF CERTAIN  
HAZARDOUS SUBSTANCES IN LECTRICAL  
D ELECTRONIC EQUIPMENT.  
Information on Disposal of Old Electrical  
and Electronic Equipment and Batteries  
(applicable for EU countries that have  
adopted separate waste collection  
systems)  
Products and batteries with the  
symbol (crossed-out wheeled bin)  
cannot be disposed as hold  
waste.  
Old electrical and electronic  
equipment and batteries should  
be recycled at a facility capable  
of handling these items and their  
waste byproducts.  
Muting upon the reception of a  
phone call  
To use this feature, connect the MUTE lead  
to your telephone using a commercial  
telephone accessory. (page 13, 14)  
When a call comes in, “CALLappears.  
The audio system pauses.  
Contact your local authority  
for details in locating a recycle  
facility nearest to you. Proper  
recycling and waste disposal will  
help conserve resources whilst  
preventing detrimental effects on  
our health and the environment.  
Notice: The signPbbelow the  
symbol for batteries  
To continue listen to the audio system  
during a call, press SRC. “CALL”  
disappear and the audio system resumes.  
When a call ends, “CALLdisappear.  
The audio system resumes.  
indicates that this battery  
contains lead.  
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3
Preparation  
How to attach/detach the faceplate  
The faceplate is a precision piece of  
equipment and can be damaged by shocks  
or jolts.  
To prevent deterioration, do not touch the  
terminals of the unit and faceplate with  
your fingers.  
1
1
2
2
How to reset your unit  
If this unit fails to operate properly, press the  
reset button.  
Do not expose the faceplate to direct  
sunlight, excessive heat, or humidity. Also  
avoid places with too much dust or the  
possibility of water splashing.  
Keep the faceplate in its casing while  
detached.  
The unit returns to  
factory settings when the  
reset button is pressed.  
Reset button  
Initial settings before operations  
1
2
3
4
Press SRC to enter [STANDBY] mode.  
Press the volume knob to enter [FUNCTION] mode.  
Turn the volume knob to select [INITIAL then press to enter.  
Turn the volume knob to make a selection, then press to confirm.  
See table below for selection.  
5
Hold  
to finish the proced
Item  
electable setting (Preset: *)  
PRESET TYPE NORM*: Memorizes one staon for each preset button in each band (FM1/ FM2/ FM3/ MW/ LW). ;  
MIX: Memorizs one station for each preset button regardless of the selected band (FM1/ FM2/ FM3/ MW/ LW).  
KEY BEEP  
ON*/ OFF: Activates/deactivates the keypress tone.  
RUSSIAN SET ON: Folder name, file name, song title, artist name, album name are displayed in Russian (if applicable). ;  
OFF*: Cancels.  
P-OFF WAIT Sets the duration when the unit will automatically turns off (while in standby mode) to save the battery.  
––––: Cancels ; 20M*: 20 minutes ; 40M: 40 minutes ; 60M: 60 minutes  
BUILTIN AUX ON1*: Outputs sound of the connected external component when “AUX” is selected as the source. ;  
ON2: Outputs sound from the connected external component when “AUX” is selected as the source. When you  
turn on the power, the sound attenuates (to prevent noise when no external component is connected). Turn  
the volume knob clockwise to return to the previous volume level. ; OFF: Disables “AUX” in source selection.  
CD READ  
1*: Automatically distinguishes between audio file disc and music CD. ; 2: Forces to play as a music CD.  
SWITCH PRE REAR*/ SUB-W: Selects whether rear speakers or a subwoofer are connected to the line out terminals on the  
rear of the unit (through an external amplifier).  
SP SELECT  
OFF*/ 5/4/ 6 × 9/6/ OEM: Selects the speaker size for optimum performance.  
[SWITCH PRE] is selectable only with KDC-3051R/ KDC-3051G/ KDC-315A/ KDC-315R/ KDC-3251RY.  
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Basic operations  
Loading slot  
Ejects the disc  
Detaches the faceplate  
Display window  
Volume knob  
Auxiliary input jack  
The following indicator lights up when...  
ST: A stereo broadcast is received (FM).  
IN: A disc is in the unit.  
TI: Traffic Information ction is turned on.  
RDS: RDS service is available.  
When you press or hold the following button(s)...  
Button  
General operation  
Turns on.  
Turns off if pressed and held.  
Selects the available sources (TUNER, CD, AUX, STANDBY), if the power is  
turned on.  
SRC  
If the source is realayback also starts. “CD” is selectable only when a disc is  
loaded.  
Volume knob  
(turn)  
Adjusts the volume level.  
Selects items.  
Volume knob  
(press)  
Confirms selection.  
Enters [FUNCTION] settings.  
Selects the FM bands (FM1/ FM2/ FM3) or MW/ LW.  
Selects the next folder.  
BAND  
Pauses/resumes playback of a disc.  
Mutes the sound while listening to a radio or an external component  
connected to the auxiliary input jack.  
Searches for a radio station.  
4
/
¢
Selects track/file.  
Fast-forwards/reverses tracks if pressed and held.  
Changes the display information.  
Scrolls the display information if pressed and held.  
Enters clock adjustment mode directly (page 6) if pressed and held while in  
clock display screen.  
SCRL DISP  
Returns to the previous item.  
Exit from setting mode if pressed and held.  
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5
Getting started  
3
4
Turn the volume knob to select [ON] or  
[OFF].  
If [ON] is selected, display demonstration  
starts if no operation is done for about  
20 seconds.  
Canceling the display  
demonstration  
The display demonstration is always turned  
on unless you cancel it.  
When you turn on the power (or after you  
reset the unit), the display shows:  
[CANCEL DEMO] \ [PRESS] \  
[VOLUME KNOB]  
Hold  
to finish the procedure.  
Adjusting the clock  
1
2
3
4
Press the volume knob to enter  
[FUNCTION] mode.  
Turn the volume knob to select  
[SETTINGS], then press to enter.  
Turn the volume knob to select [CLOCK],  
then press to enter.  
Turn the volumnob to select  
[CLOCK ADJ], then press to enter.  
Clock hour flashes on the display.  
Turn the volume knob to adjust the  
hour, then press to enter minute  
adjustment.  
Clock minutes flashes on the display.  
Turn the volume knob to adjust the  
minute, then press to confirm.  
1
Press the volume knob.  
[YES] is selected as the initial setup.  
Press the volume knob again to confirm.  
[DEMO OFF] appears.  
2
If no operation is done for about  
15 seconds or if you turn the volume knob  
to select [NO] in step 2, [DEMO MODE]  
appears and the display demonstration  
starts.  
5
6
7
Setting the demonstration mode  
1
Press the volume knob to enter  
[FUNCTION].  
2
Turn the volume knob to select  
[DEMO MODE], then press tter.  
Press 4  
hour and minute adjustment.  
Hold to finish the procedure.  
/
¢ to move between the  
Listening to the radio  
Hold to turn on or off the Traffic Information function (not applicable ifMW/ LWis selected).  
Hold for about 2 seconds to memorize the current station or the selected Program  
Type. (Refer to [PTY SEARCH] on page 7 to select the Program Type.)  
Press briefly to recall memorized station (or Program Type after entering the PTY  
search mode).  
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1
2
3
Press SRC to select “TUNER.”  
Press BAND repeatedly to select a band (FM1/ FM2/ FM3/ MW/ LW).  
Press 4 ¢ to search for a station.  
/
Adjust [SETTINGS] mode settings  
While listening to the radio...  
1
2
3
Press the volume knob to enter [FUNCTION] mode.  
Turn the volume knob to select [SETTINGS], then press to enter.  
Turn the volume knob to make a selection, then press to confirm.  
See table below for selection.  
4
Hold  
to finish the procedure.  
Item  
LOCAL SEEK  
SEEK MODE  
Selectable setting (Preset: *)  
ON: Searches only FM stations with good reception. ; OFF*: Cancels.  
Selects the tuning mode for buttons.  
4
/
¢
AUTO1*: Automatically search for a station. ; AUTO2: Search in the order of the stations in the preset  
memory. ; MANUAL: Manually search for a station.  
AUTO MEMORY YES: Automatically starts memorizing 6 stations with good reception. ; NOCancels (automatic  
memorizing is not activated). (Selectable only if [NORM] is selected for [PRESET TYPE].) (page 4)  
MONO SET  
ON: Improves the FM reception (but the stereo effect may be lost). ; OFF*: Cancels (stereo effect resumes).  
Selects the available Program Type (see table below). Then, press to start searching.  
Press the volume knob to enter PTY language selection. Turn the volume knob to select the PTY language  
PTY SEARCH  
4
/
¢
(ENGLISH*/ FRENCH/ GERMAN), then presnfirm.  
NEWS SET  
AF SET  
0M – 90M: Sets the time for receiving the next news bulletin. ; OFF*: Cancels.  
ON*: Automatically searches for another station broadcasting the same program in the same RDS network  
with better reception wheurrent reception is poor. ; OFF: Cancels.  
RDS REG  
ATP SEEK  
ON*: Switches to another stnly in the specific region using the “AF” control. ; OFF: Cancels.  
ON*: Automatically searchefor a station with better reception when the traffic information's reception is  
poor. ; OFF: Cncels.  
[PTY SEARCH] is selectable only when the source is “FM.”  
[NEWS SET/ AF SET/ RDS REG/ ATP SEEK] is selectable only when the source is “FM.” If other playback source is selected,  
these settings are selectable under [RDS SET] item. (page 11)  
Available Program Type:  
SPEECH  
DRAMA  
MUSIC  
CULTURE  
LIGHT M (music) CLASSICS  
NEWS  
AFFAIRS  
VARIED  
INFO  
SPORT  
EDUCATE  
SCIENCE  
POP M (music) ROCK M (music) EASY M (music)  
OTHER M (music) WEATHER  
TRAVEL  
FINANCE  
JAZZ  
CHILDREN  
COUNTRY  
SOCIAL  
NATION M (music)  
RELIGION  
OLDIES  
PHONE IN  
FOLK M (music) DOCUMENT  
LEISURE  
The unit will search for the Program type categorized under [SPEECH] or [MUSIC] if selected.  
[SPEECH] : White character item. ; [MUSIC] : Black character item.  
The RDS feature won't work where the service is not supported by any broadcasting station.  
If the volume is adjusted during reception of traffic information, the adjusted volume is  
memorized automatically. It will be applied the next time Traffic Information function is  
turned on.  
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7
Listening to a disc  
Ejects the disc. (“NO DISCappears andINindicator goes off.)  
Press to select track/file.  
Hold to fast-forwards/reverses.  
Press to select folder.  
1
2
Press SRC to turn on the power.  
Insert a disc into the loading slot.  
Playback starts automatically.  
3
Press  
to resume/pause playback (if necessary).  
Selecting Repeat Play  
Selecting Scan Play  
Press number button 4 (REP) repeatedly  
Press number button 2 (SCAN)  
to make a selection.  
repeatedly to make a selection.  
Audio CD : TRAC (track) REPEAT,  
REPEAT OFF  
MP3/WMA : FILE REPEAT, FOLD )  
REPEAT, REPEAT OFF  
Audio CD : TRAC (track) SCAN, SCAN OFF  
MP3/WMA : FILE SCAN, SCAN OFF  
If scan play is selected, the unit starts  
playing the first 10-second intro of the  
music in the disc or the current folder. If  
“SCAN OFFis selected, the unit resumes  
normal play of the current song.  
Selecting Random Play  
Press number button 3 (ALL RDM)  
repeatedly to make a selection.  
Selecting a folder/track/file  
Audio CD : DISC RANDOM, RANDOM OFF  
MP3/WMA : FOLD (folder) RANDOM,  
ALL RANDOM, RANDOM OFF  
Press and hold number button  
3 (ALL RDM) to selectALL RANDOMonly  
ifRANDOM OFFis selected initially.  
1
Press  
to enter Music Search mode.  
“SEARCH” appears, then the current file  
name appears on the display.  
2
Turn the volume knob to select a folder/  
track/file, then press to confirm.  
To return to the root folder (or first track for  
audio CD), press BAND.  
To return to the previous folder, press  
.
To cancel the Music Search mode, press  
and hold  
.
< or > on the display indicates that  
preceded/next folder is available.  
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Discs that cannot be used  
Discs that are not round.  
Discs with coloring on the recording surface or discs that are dirty.  
You cannot play a Recordable/ReWritable disc that has not been finalized. (For the  
finalization process refer to your disc writing software, and your disc recorder instruction  
manual.)  
3-inch CD cannot be used. Attempt to insert using an adapter can cause malfunction.  
Listening to the other external  
components  
Preparation : Make sure [ON1] or [ON2] is selected for [BUILTIN AUX]. (page 4)  
Auxiliary input jack  
3.5 mm stereo mini plug  
optional accessory)  
1
2
3
Press SRC to select “AUX.”  
Turn on the external component and start playing.  
Turn the volume knob to adjust the volume.  
Portable audio device  
(optional accessory)  
Maintenance  
Cleaning the unit: Wipe off the dirt on the panel with a dry silicon or soft cloth. Failure to  
observe this precaution may result in damage to the monitor or unit.  
Cleaning the connector: Wipe off dirt on the connector of the unit and faceplate. Use a  
cotton swab or cloth.  
Handling discs  
Do not touch the recording surface of the disc.  
Do not stick tape etc. on the disc, or use a disc with tape stuck on it.  
Do not use any accessories for the disc.  
Clean from the center of the disc and move outward.  
Clean the disc with a dry silicon or soft cloth. Do not use any solvents.  
When removing discs from this unit, pull them out horizontally.  
Remove the rims from the center hole and disc edge before inserting a disc.  
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9
Function settings  
1
2
3
Press the volume knob to enter [FUNCTION] mode.  
Turn the volume knob to select [AUDIO CTRL] or [SETTINGS], then press to enter.  
Turn the volume knob to make a selection, then press to confirm.  
See table below for selection.  
Repeat step 3 until the desired item is selected/activated.  
Press  
to return to the previous item.  
4
Hold  
to finish the procedure.  
[AUDIO CTRL] : While listening to any source except in STANDBY state...  
Item Selectable setting (Preset: *)  
SUB-W LEVEL –15 — +15 (Preset: 0): Adjusts the subwoofer output level.  
BASS BOOST B.BOOST LV1*/ B.BOOST LV2: Selects your preferred bass boost level. ; OFF: Cancels.  
SYSTEM Q  
NATURAL*/ USER/ ROCK/ POPS/ EASY/ TOP40/ JAZZ/ GAME: Selects a preset sound mode suitable to the  
music genre. (Selects [USER] to use the customized bass, middle, and treble settings.)  
BASS ADJUST BASS C FRQ: 60/ 80/ 100*/ 200: Selects the center frequency.  
BASS LEVEL: –8 — +8 (Preset: 0): Adjusts the level.  
BASS Q FCTR: 1.00*/ 1.25/ 1.50/ 2.00: Adjusts the Q factor.  
BASS EXTEND: ON: Turns on the extended bass. ; OFF*: Cancels.  
MID ADJUST MID C FRQ: 0.5K/ 1.0K*/ 1.5K/ 2.5K: Selectthe center frequency.  
MID LEVEL: –8 — +8 (Preset: 0): Adhe level.  
MID Q FCTR: 0.75/ 1.00*/ 1.25: Adjusts thQ factor.  
TRE ADJUST TRE C FRQ:  
TRE LEVEL:  
10.0K/ 12.5K*/ 15.0K/ 17.5K: Selects the center frequency.  
–8 — eset: 0): Adjusts the level.  
BALANCE  
FADER  
L15 — R15 (Preset: 0): Adhe left and right speaker output balance.  
R15 — F15 (Preset: 0): Ajusts the rear and front speaker output balance.  
ON*: Turns on the subwoofer output. ; OFF: Cancels.  
SUB-W SET  
DETAIL SET  
LPF SUB-W: THROUGH*: All signals are sent to the subwoofer. ; 85HZ/ 120HZ/ 160HZ: Frequencies  
higher than 85 Hz/ 120 Hz/ 160 Hz are cut off.  
SUB-W PHASE: REV (180°)/ NORM (0°)*: Selects the phase angle of the subwoofer output to be in line  
with the speaker output for optimum performance. (Selectable only if a setting other than  
[THROUGH] is selected for [LPF SUB-W].)  
SUPREME SET: ON*: Creates realistic sound by interpolating the high-frequency components that are lost  
in MP3/WMA audio compression. ; OFF: Cancels. (Selectable only when playback an MP3/  
WMA disc.)  
VOL OFFSET: –8 — +8 (for AUX) ; –8 — 0 (for other sources): Presets the volume adjustment level of  
(Preset: 0)  
each source. The volume level will automatically increase or decrease when you change the  
source. (Before making an adjustment, select the source you want to adjust.)  
KDC-3051R/ KDC-3051G/ KDC-315A/ KDC-315R/ KDC-3251RY only:  
[SUB-W LEVEL/ SUB-W SET/ LPF SUB-W/ SUB-W PHASE] is selectable only if [SWITCH PRE] is set to [SUB-W]. (page 4)  
[SUB-W LEVEL/ LPF SUB-W/ SUB-W PHASE] is selectable only if [SUB-W SET] is set to [ON].  
Select a source before making a source tone memory adjustment, [BASS ADJUST/ MID ADJUST/ TRE ADJUST].  
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[SETTINGS]  
Item  
AUX NAME  
Selectable setting (Preset: *)  
AUX*/ DVD/ PORTABLE/ GAME/ VIDEO/ TV: Selects the desired name for the connected component.  
(Selectable only if “AUX” is selected as the source.)  
CLOCK  
CLOCK ADJ: (For details, see page 6.)  
TIME SYNC: ON*: Synchronizes the RDS station time data and the unit's clock. ; OFF: Cancels.  
DIMMER SET: ON: Dims the display illumination. ; OFF*: Cancels.  
TEXT SCROLL: AUTO/ ONCE: Selects to scroll the display information automatically, or scroll only once. ;  
OFF*: Cancels.  
DISPLAY  
RDS SET  
NEWS SET/ AF SET/ RDS REG/ ATP SEEK: Selectable only if any source other than tuner source is selected.  
(For details, refer page 7.)  
Troubleshooting  
Symptom  
Remedy/Cause  
Sound cannot be heard.  
Adjust the volume to the optimum level.  
/
Check the cordand connections.  
“PROTECT” appears and no  
operations can be done.  
Check to be sure the terminals of the speaker leads are cod with insulating tape properly,  
then reset the unit. If “PROTECT” does not disappear, consult your nearest service center.  
The unit does not work at all.  
Reset the unit.  
[P-OFF WAIT] does not work.  
Radio reception is poor. / Static  
noise while listening to the radio.  
Turn off the demonstration mode. (pge 6)  
Connect the antenna firmly. / Pull the antenna out all the way.  
“IN” flashes.  
The CD player is not operating properly. Reinsert the disc properly. If the condition did not  
improve, turn off the unit ad consult your nearest service center.  
CD-R/CD-RW cannot be played  
Insert a d CD-R/CD-RW (finalize with the component which you used for  
back and tracks cannot be skipped. recording
Disc sound is sometimes  
interrupted.  
Stop playback while driving on rough roads. / Change the disc. / Check the cords and  
connections.  
“NA FILE” appears.  
“NO DISC” appears.  
“TOC ERROR” appears.  
The unit is playing an unsupported audio file.  
Insert a playable disc into the loading slot.  
The CD is quite dirty. / The CD is upside-down. / The CD is scratched a lot. Try another  
disc instead.  
“ERROR 99” appears.  
The unit is malfunctioning for some reason. Press the reset button on the unit. If the  
“ERROR 99” code does not disappear, consult your nearest service center.  
“COPY PRO” appears.  
Noise is generated.  
A copy-protected file is played.  
Skip to another track or change the disc.  
Playback order is determined when files are recorded.  
Tracks cannot play back as you  
have intended them to play.  
“READING” keeps flashing.  
Longer readout time is required. Do not use too many hierarchies and folders.  
Elapsed playing time is not correct. This is caused by how the tracks are recorded.  
Correct characters are not displayed This unit can only display letters (upper case), numbers, and a limited number of symbols.  
(e.g. album name).  
Cyrillic alphabets (upper case) can also be displayed if [RUSSIAN SET] is set to [ON].  
(page 4)  
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11  
Installation/connection  
Part list:  
Caution  
A Faceplate.............................................................. (×1)  
If your car's ignition does not have an ACC  
B Escutcheon......................................................... (×1)  
C Mounting sleeve............................................. (×1)  
D Casing for faceplate ...................................... (×1)  
E Wiring harness.................................................. (×1)  
F Removal tool .................................................... (×2)  
position, connect the ignition wires to a  
power source that can be turned on and  
off with the ignition key. If you connect  
the ignition wire to a power source with  
a constant voltage supply, as with battery  
wires, the battery may die.  
Do not use your own screws. Use only the  
screws provided.  
Install this unit in the console of your  
vehicle. Make sure the faceplate will not hit  
the lid of the console (if any) when closing  
and opening.  
Basic procedure  
1
Remove the key from the ignition  
switch, then disconnect the · terminal  
of the car battery.  
2
Make proper input and output wire  
connections.  
\ “Wiring connection” (page 13, 14)  
Install the unit to your car.  
\ “Installing the unit” (page 14)  
Reconnect the · terminal of the car  
battery.  
After the unit is ialled, check whether  
the brake lamps, blinkers, wipers, etc. on  
the car are working properly.  
Mount the unit so that the mounting angle  
s 30° or less.  
If the fuse blows, first make sure the wires  
aren't touching to cause a short circuit,  
then replace the old fuse with one with the  
same rating.  
Connect the speaker wires correctly to the  
terminals to which they correspond. The  
unit may be damaged or fail to work if you  
share the · wires or ground them to any  
metal part in the car.  
When only two speakers are being  
connected to the system, connect the  
connectors either to both the front output  
terminals or to both the rear output  
terminals (do not mix front and rear).  
Do not touch the metal part of this unit  
during and shortly after the use of the  
unit. Metal part such as the heat sink and  
enclosure become hot.  
3
4
5
Reset the unit. (page 4)  
Warning  
The unit can only be installed in a car with  
a 12 V DC power supply, negatound.  
If you connect the ignition wire (re) and  
the battery wire (yellow) to the ar chassis  
(ground), you may cause a short circuit,  
that in turn may start a fire. Always connect  
those wires to the power source running  
through the fuse box.  
Disconnect the battery's negative terminal  
and make all electrical connections before  
installing the unit.  
Insulate unconnected wires with vinyl tape  
or other similar material. To prevent a short  
circuit, do not remove the caps on the ends  
of the unconnected wires or the terminals.  
Be sure to ground this unit to the car's  
chassis again after installation.  
Mounting and wiring this product requires  
skills and experience. For safety's sake, leave  
this work to professionals.  
If you experience problems during  
installation, consult your Kenwood dealer.  
12  
Autogood products Internet store “130”  
Wiring connection  
For KDC-3051R/ KDC-3051G/ KDC-315A/ KDC-315R/ KDC-3251RY  
KDC-3251RY  
KDC-3051R/ KDC-3051G/  
KDC-315A/ KDC-315R  
Front output terminals  
Rear/subwoofer  
output terminals  
Rear/subwoofer output terminals  
Fuse (10 A)  
Antenna terminal (JASO)  
Light blue/yellow  
KDC-3051R/ KDC-3051G/ KDC-315A/ KDC-315R: To the  
(Steering remote control wire)  
steering wheel remote control adapter (optional accessory)  
Blue/White  
(Power control/motor antenna  
control wire)  
To the power control terminawhen using the optional power  
amplifier, or to the antenna control terminal in the vehicle.  
To terminal that is grounded when either the telephone rings  
or conversation. (To connect the Kenwood navigation  
system, consult your navigation manual.)  
Brown  
(Mute control wire)  
Connecting the ISO connectors on some VW/Audi or  
Opel (Vauxhall) automobiles  
You may need to modify the wiring of the supplied  
Yellow (Battery wire)  
Red (Ignition wire)  
wiring harness as illustrated below.  
Ignition wire  
(Red)  
A7 (Red)  
Vehicle  
A4 (Yellow)  
Red (A7)  
Unit  
Yellow (A4)  
Battery wire  
(Yellow)  
ISO connectors  
Default wiring  
Pin  
A4  
A5  
A7  
A8  
Color and function  
Pin  
B1 / B2 Purple  
Color and function  
Yellow  
Battery  
ª
/ Purple/black  
·
Rear speaker (right)  
Front speaker (right)  
Front speaker (left)  
Rear speaker (left)  
Blue/White Power control  
B3 / B4 Gray  
B5 / B6 White  
B7 / B8 Green  
ª
/ Gray/black  
·
Red  
Black  
Ignition (ACC)  
Earth (ground) connection  
ª
ª
/ White/black  
/ Green/black  
·
·
Autogood products Internet store “130”  
13  
For KDC-3051RY/ KDC-3051GY  
Fuse (10 A)  
Antenna terminal (JASO)  
White (+) / White/black (–) : To front speaker (left)  
Gray (+) / Gray/black (–) : To front speaker (right)  
Green (+) / Green/black (–) : To rear speaker (left)  
Purple (+) / Purple/black (–) : To rear speaker (right)  
Blue  
To the antenna control terminal in the vehicle.  
(Motor antenna control wire)  
Blue/White  
(Power control wire)  
To the power control terminal when ug the optional power amplifier.  
To the terminal that is grounded when either the telephone rings or  
during conversation. (To connect the Kenwood navigation system,  
consult your navigation manual.)  
Brown  
(Mute control wire)  
Car fuse box  
Ignition key switch  
Red (Ignition wire)  
Yellow (Battery wire)  
Car fuse box  
Battery  
Black (Ground wire)  
To the metallic body or chassis of the car  
Installing the unit  
1
Connect the wiring harness to the unit. Other wiring  
connection has been completed earlier. (page 13, 14)  
Dashboard of your car  
2
Before attaching, make sure  
the direction of the  
escutcheon is correct. (Wider  
hooks on the top side.)  
Bend the appropriate tabs  
to hold the mounting sleeve  
firmly in place.  
14  
Autogood products Internet store “130”  
Removing the unit  
1
2
Detach the faceplate.  
Engage the catch pin on the removal  
tools into the holes on both sides of the  
escutcheon, then pull it out.  
3
Insert the removal tools deeply into the  
slots on each side, then follow the arrows  
instructions as shown on the right.  
Subject to change without notice.  
Specifications  
FM tuner section  
Audio section  
Frequency range (50 kHz space):  
87.5 MHz — 108.0 MHz  
Maximum output power: 50 W × 4  
Output power (DIN 45324, +B = 14.4 V): 30 W × 4  
Speaker impedance: 4 Ω — 8 Ω  
Tone action: Bass: 0 Hz 8 dB  
Middl: 1 kHz 8 dB  
Usable sensitivity (S/N = 26 dB): 1.0 μV/75 Ω  
Quieting sensitivity (DIN S/N = 46 dB): 2.5 μV/75 Ω  
Frequency response ( 3 dB): 30 Hz — 15 kHz  
Signal-to-Noise ratio (MONO): 63 dB  
Stereo separation (1 kHz): 40 dB  
Treble: 10 kHz 8 dB  
For KDC-3051R/ KDC-3051G/ KDC-315A/ KDC-315R/  
KC-3251RY  
Preout level / load (CD): 2 000 mV/10 kΩ  
eout impedance: ≤ 600 Ω  
:
MW tuner section  
Frequency range (9 kHz space):  
531 kHz — 1 611 kHz  
Auxiliary input section  
Usable sensitivity (S/N = 20 dB): 36 μV  
Frequency response ( 3 dB): 20 Hz — 20 kHz  
Input maximum voltage: 1 200 mV  
Input impedance: 10 kΩ  
LW tuner section  
Frequency range: 153 kHz — 79 kHz  
Usable sensitivity (S/N = 20 dB): 57 μV  
General  
CD player section  
Laser diode: GaAIAs  
Digital filter (D/A): 8 Times Over Sampling  
D/A converter: 24 Bit  
Spindle speed: 500 rpm — 200 rpm (CLV)  
Wow & Flutter: Below Measurable Limit  
Frequency response ( 1 dB): 20 Hz — 20 kHz  
Total harmonic distortion (1 kHz): 0.01 %  
Signal-to-Noise ratio (1 kHz): 105 dB  
Dynamic range: 90 dB  
MP3 decode: Compliant with MPEG-1/2 Audio  
Layer-3  
WMA decode: Compliant with Windows  
Media Audio  
Operating voltage (11 V — 16 V allowable): 14.4 V  
Maximum current consumption: 10 A  
Installation size (W × H × D):  
182 mm × 53 mm × 158 mm  
Weight: 1.3 kg  
About Audio file  
Playable Audio file: MP3 (.mp3), WMA  
(.wma)  
Playable disc media: CD-R/RW/ROM  
Playable disc file format: ISO 9660 Level  
1/2, Joliet, Romeo, Long file name.  
Although the audio files are complied with  
the standards listed above, the play maybe  
impossible depending on the types or  
conditions of media or device.  
Autogood products Internet store “130”  
15  

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