Kenwood KDC W237S User Manual

CD-RECEIVER  
KDC-W237S  
INSTRUCTION MANUAL  
© B64-4047-00/00 (MW)  
Before use  
• If you experience problems during installation,  
consult your Kenwood dealer.  
• When you purchase optional accessories, check with  
your Kenwood dealer to make sure that they work  
with your model and in your area.  
• The characters which can be displayed by this unit  
are A-Z 0-9 @ " ‘ ` % & * + – = , . / \ < > [ ] ( ) : ; ^ - { } |  
~ .  
2WARNING  
To prevent injury or fire, take the following  
precautions:  
• To prevent a short circuit, never put or leave any  
metallic objects (such as coins or metal tools) inside  
the unit.  
Before using this unit for the first time  
This unit is initially set on the Demonstration mode.  
When using this unit for the first time, cancel the  
<Demonstration mode Setting> (page 11).  
• The RDS feature won’t work where the service is not  
supported by any broadcasting station.  
• The illustrations of the display and the panel  
appearing in this manual are examples used to  
explain more clearly how the controls are used.  
Therefore, what appears on the display in the  
illustrations may differ from what appears on the  
display on the actual equipment, and some of the  
illustrations on the display may be inapplicable.  
How to reset your unit  
• If the unit fails to operate properly, press the Reset  
button. The unit returns to factory settings when the  
Reset button is pressed.  
• Press the reset button if the disc auto changer fails  
to operate correctly. Normal operation should be  
restored.  
Handling CDs  
• Do not touch the recording surface of the CD.  
• Do not stick tape etc. on the CD, or use a CD with  
tape stuck on it.  
• Do not use disc type accessories.  
• Clean from the center of the disc and move  
outward.  
• When removing CDs from this unit, pull them out  
horizontally.  
Reset button  
• If the CD center hole or outside rim has burrs,  
use the CD only after removing the burrs with a  
ballpoint pen etc.  
Cleaning the Unit  
If the faceplate of this unit is stained, wipe it with a  
dry soft cloth such as a silicon cloth.  
If the faceplate is stained badly, wipe the stain off with  
a cloth moistened with neutral cleaner, then wipe it  
again with a clean soft dry cloth.  
CDs that cannot be used  
• CDs that are not round cannot be used.  
¤
Applying spray cleaner directly to the unit may affect its  
mechanical parts. Wiping the faceplate with a hard cloth or  
using a volatile liquid such as thinner or alcohol may scratch  
the surface or erases characters.  
• CDs with coloring on the recording surface or CDs  
that are dirty cannot be used.  
• This unit can only play the CDs with  
Cleaning the Faceplate Terminals  
If the terminals on the unit or faceplate get dirty, wipe  
them with a clean soft dry cloth.  
.
This unit may not correctly play discs which do not  
have the mark.  
Lens Fogging  
• You cannot play a CD-R or CD-RW that has not been  
finalized. (For the finalization process refer to your  
CD-R/CD-RW writing software, and your CD-R/CD-  
RW recorder instruction manual.)  
When you turn on the car heater in cold weather,  
dew or condensation may form on the lens in the  
CD player of the unit. Called lens fogging, this  
condensation on the lens may not allow CDs to play.  
In such a situation, remove the disc and wait for the  
condensation to evaporate. If the unit still does not  
operate normally after a while, consult your Kenwood  
dealer.  
English  
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3
Basic Operation  
Disc slot  
Control  
knob  
[ ]  
Release  
Display  
Auxiliary input  
[VOL] [SRC] [1] [2] [3] [4] [5] [6] [TI]/[AUTO] [B.BOOST]  
General functions  
Auxiliary input  
Connect a portable audio device with mini-plug cable  
(3.5 ø).  
Auxiliary input  
Power/Source select button  
Turns on the power.  
When the power is on, the source switches between  
Tuner (“TUNER”) , CD (“CD”) , Auxiliary input (“AUX”),  
and Standby (“STANDBY”) each time this button is  
pressed.  
[SRC]  
Use the mini-plug cable which is stereo type and does not  
have any resistance.  
Muting volume upon reception of phone call  
When there is a call, “CALLis displayed and the audio  
system is paused.  
When the call ends, “CALLdisappears and the audio  
system comes back on.  
The audio system comes back on when [SRC] is  
pressed during a call.  
Press at least 1 second to turn off the power.  
Volume control  
Bass boost  
[VOL]  
[B.BOOST]  
Switches between Boost 1 (“BB-L L1”), Boost 2 (“BB-L  
L2”), and Boost off (“BB-L OFF”) each time this button  
is pressed.  
Subwoofer output  
Control knob  
Switches between ON (“SW ON”) and OFF (“SW OFF”)  
each time the bottom side is pressed for at least 2  
seconds.  
Faceplate release  
Release  
Releases the faceplate lock so that it can be removed.  
Refer to the following diagram when reattaching the  
faceplate.  
Text/Title scroll  
Control knob  
Scrolls the CD, audio file, and Radio text display when  
pressing the top side for at least 2 seconds.  
¤
The faceplate is a precision piece of equipment and can be  
damaged by shocks or jolts.  
Keep the faceplate in its faceplate case while detached.  
Do not place the faceplate (and the faceplate case) in areas  
exposed to direct sunlight, excessive heat or humidity. Also  
avoid places with too much dust or the possibility of water  
splashing.  
To prevent deterioration, do not touch the terminals of the  
unit or faceplate with your fingers.  
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4
KDC-W237S  
: Indicates the button etc. to operate.  
Tuner functions  
Disc play functions  
Band select  
Control knob  
Disc play  
Starts playing when a disc is inserted.  
When a CD is inserted, the “IN” indicator is ON.  
Disc slot  
Switches between FM1, FM2, and FM3 each time the  
top side is pressed.  
Switches to AM when the bottom side is pressed.  
3 inch CD cannot be used. Attempt to insert using an  
adapter can cause malfunction.  
Refer to <About Audio file> (page 12) for the Audio file by  
models you can play.  
Tuning  
Control knob  
Changes the frequency when the left or right side is  
pressed.  
Pause and play  
Switches between pause and play each time the  
center is pressed.  
Control knob  
During reception of stereo stations the “ST” indicator is ON.  
Traffic information  
[TI]  
Turns ON or OFF the Traffic Information function.  
When the function is turned ON, “TI” indicator is ON.  
If traffic bulletin starts when the function is ON,  
“TRAFFIC” is displayed and traffic information is  
received.  
Disc ejection  
[0]  
You can eject the disc for 10 minutes after switching off the  
engine.  
Music search  
Changes the music when the left or right side is  
pressed.  
Fast reverses or forwards the music while pressing the  
left or right side.  
Control knob  
If the volume is adjusted during reception of traffic  
information, the adjusted volume is memorized  
automatically. The memorized volume will be applied next  
time the Traffic Information function is turned ON.  
Preset memory  
Memorize the station selected when pressing for at  
least 2 seconds.  
[1] - [6]  
Folder search  
Control knob  
Changes the folder containing the audio file when the  
top or bottom side is pressed.  
Auto memory entry  
Memorizes six stations with good reception  
automatically when pressed for at least 2 seconds.  
[TI]/ [AUTO]  
Track/ File/ Folder repeat play  
[4]  
Switches between Track Repeat (“TRAC REP”) and OFF  
(“REP OFF”) when pressed while playing a CD.  
Switches between File Repeat (“FILE REP”), Folder  
Repeat (“FOLD REP”), and OFF (“REP OFF”) when  
pressed while playing an audio file.  
Preset tuning  
Recalls the memorized station.  
[1] - [6]  
Scan play  
[2]  
Successively plays the intro of the music in the disc or  
folder.  
“TRAC SCN”/ “FILE SCN” is displayed during Scan Play.  
Random play  
[3]  
Randomly plays the music in the disc or folder.  
“DISC RDM”/ “FOLD RDM” is displayed during Random  
Play.  
English  
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5
General Operation  
Audio Control  
Audio Setup  
Setting the Sound system.  
1 Select the source to adjust  
Press the [SRC] button.  
1 Select the source to adjust  
Press the [SRC] button.  
2 Enter Audio Control mode  
Press the [VOL] knob.  
2 Enter Audio Setup mode  
Press the [VOL] knob for at least 1 second.  
3 Select the Audio item to adjust  
Press the [VOL] knob.  
3 Select the Audio Setup item to adjust  
Press the [VOL] knob.  
Adjustment Item Display  
Range  
Subwoofer level  
System Q  
“SW L”  
“NATURAL/  
“ROCK”/“POPS”/ 40/Jazz/User setting  
“EASY”/“TOP40”/  
“JAZZ”/“USER”  
“BAS L”  
“MID L”  
“TRE L”  
“BAL”  
–15 — +15  
Natural/Rock/Pops/Easy/Top  
Adjustment Item Display  
Range  
80/120/160/Through Hz  
–8 — 0 (AUX: -8 — +8)  
Low Pass Filter  
“LPF”  
Volume offset  
“V-OFF”  
Bass level  
Middle level  
Treble level  
Balance  
–8 — +8  
–8 — +8  
–8 — +8  
Left 15 — Right 15  
Rear 15 — Front 15  
Volume offset: Sets each source’s volume as a difference  
from the basic volume.  
4 Adjust the Audio setup item  
Fader  
“FAD”  
Turn the [VOL] knob.  
Exit Audio Control mode (Volume control mode)  
5 Exit Audio Setup mode  
Press the [VOL] knob for at least 1 second.  
“USER”: This appears when Bass level, Middle level, and  
Treble level are adjusted. When “USER” is selected,  
these levels are recalled.  
4 Adjust the Audio item  
Turn the [VOL] knob.  
5 Exit Audio Control mode  
Press any button.  
Press a button other than the [VOL] knob.  
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6
KDC-W237S  
Speaker Setting  
Switching Display  
Fine-tuning so that the System Q value is optimal  
when setting the speaker type.  
Changing the information displayed.  
1 Enter Switching Display mode  
Press the center of the Control knob for at least  
1 second.  
1 Enter Standby  
Press the [SRC] button.  
Select the “STANDBY” display.  
“DISP SELis displayed.  
2 Enter Speaker Setting mode  
2 Select the Display item  
Press the [VOL] knob.  
Press the right or left side of the Control knob.  
3 Select the Speaker type  
In Tuner source  
Turn the [VOL] knob.  
Information  
Display  
Speaker type  
OFF  
For 5 & 4 in. speaker  
For 6 & 6x9 in. speaker  
For the OEM speaker  
Display  
Program Service name or Frequency  
Radio text, Program Service name or Frequency  
Clock  
“FREQ”/“FREQ/PS”  
“R-TEXT”  
“CLOCK”  
“SP OFF”  
“SP 5/4”  
“SP 6*9/6”  
“SP OEM”  
In CD source  
Information  
Disc title  
Track title  
Play time & Track number  
Clock  
Display  
“D-TITLE”  
“T-TITLE”  
“P-TIME”  
“CLOCK”  
4 Exit Speaker Setting mode  
Press the [VOL] knob.  
In Audio file source  
Information  
Display  
“TITLE”  
“ALBUM”  
“FOLDER”  
“FILE”  
Music title & Artist name  
Album name & Artist name  
Folder name  
File name  
Play time & Music number  
Clock  
“P-TIME”  
“CLOCK”  
In Standby/ Auxiliary input source  
Information  
Source name  
Clock  
Display  
“SRC NAME”  
“CLOCK”  
3 Exit Switching Display mode  
Press the center of the Control knob.  
When you select the clock display, the display setting of  
each source will be changed to the clock display.  
Album name cannot be displayed in WMA file.  
If the selected display item does not have any  
information, alternative information is displayed.  
English  
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7
Tuner Operation  
Speech: No.3 — 11, 18 — 25, 31  
PTY (Program Type)  
3 Search for the selected Program Type station  
Selecting the Program Type and searching for a  
station.  
Press the right or left side of the Control knob.  
1 Enter PTY mode  
When the selected Program Type is not found, “NO PTY”  
is displayed. Select another Program Type.  
Press the center of the Control knob.  
During PTY mode the “PTY” indicator is ON.  
4 Exit PTY mode  
Press the center of the Control knob.  
This function cannot be used during a traffic bulletin or  
AM reception.  
2 Select the Program Type  
Press the top or bottom side of the Control  
knob.  
Program Type preset  
Putting the Program Type in the Preset button  
memory and quick recall.  
No. Program Type  
Display  
1.  
2.  
Speech  
Music  
“SPEECH”  
“MUSIC”  
Presetting the Program Type  
1 Select the Program Type to preset  
3.  
4.  
5.  
6.  
7.  
8.  
9.  
News  
“NEWS”  
“AFFAIRS”  
“INFO”  
Refer to <PTY (Program Type)>.  
Current Affairs  
Information  
Sport  
Education  
Drama  
Culture  
Science  
Varied  
Pop Music  
Rock Music  
Easy Listening Music  
Light Classical  
Serious Classical  
Other Music  
Weather  
2 Preset the Program Type  
Press the desired [1] — [6] button for at least 2  
seconds.  
“SPORT”  
“EDUCATE”  
“DRAMA”  
“CULTURE”  
“SCIENCE”  
“VARIED”  
“POP M”  
“ROCK M”  
“EASY M”  
“LIGHT M”  
“CLASSICS”  
“OTHER M”  
“WEATHER”  
“FINANCE”  
“CHILDREN”  
“SOCIAL”  
“RELIGION”  
“PHONE IN”  
“TRAVEL”  
“LEISURE”  
“JAZZ”  
“COUNTRY”  
“NATION M”  
“OLDIES”  
Recalling the preset Program Type  
10.  
11.  
12.  
13.  
14.  
15.  
16.  
17.  
18.  
19.  
20.  
21.  
22.  
23.  
24.  
25.  
26.  
27.  
28.  
29.  
30.  
31.  
1 Enter PTY mode  
Refer to <PTY (Program Type)>.  
2 Recall the Program Type  
Press the desired [1] — [6] button.  
Changing Language for PTY Function  
Selecting the Program Type display language.  
Finance  
Children’s programs  
Social Affairs  
Religion  
Phone In  
Travel  
1 Enter PTY mode  
Refer to <PTY (Program Type)>.  
2 Enter Changing Language mode  
Press the [TI] button.  
Leisure  
3 Select the language  
Press the top or bottom side of the Control  
knob.  
Jazz Music  
Country Music  
National Music  
Oldies Music  
Folk Music  
Documentary  
Language  
English  
French  
Display  
“FOLK M”  
“DOCUMENT”  
“ENGLISH”  
“FRENCH”  
“GERMAN”  
German  
Speech and Music include the Program type shown  
below.  
Music: No.12 — 17, 26 — 30  
4 Exit Changing Language mode  
Press the center of the Control knob.  
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8
KDC-W237S  
Music disc/Audio file Operation  
Function of Audio file  
Folder Select  
Quickly selecting the folder you want to hear.  
1 Enter Folder Select mode  
Press the [5] button.  
“FLD SELis displayed.  
Displays the current folder name.  
2 Select the folder  
Operation type  
Operation  
Movement between folders Press the right or left side of the Control  
knob.  
Selection of folder  
Return to previous folder Press the bottom side of the Control knob.  
Return to root folder Press the [3] button.  
Press the top side of the Control knob.  
3 Decide the folder to play  
Press the center of the Control knob.  
Cancelling the Folder Select mode  
Press the [5] button.  
English  
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9
Menu Operation  
Menu System  
Setting various functions.  
Display  
“OFF”  
Setting Setting overview  
Source  
OFF – 60M Turns off the power when the  
preset time has lapsed in the  
Standby mode.  
Sets the CD read mode.  
Specifies whether to enable  
page 11 demonstration.  
1 Enter Menu mode  
Press the [B.BOOST] button for at least 1  
second.  
“CD READ” 1*/2  
“DEMO” Refer to  
“MENU” is displayed.  
2 Select the menu item  
Press the top or bottom side of the Control  
knob.  
* Factory setting  
: Can be set in standby state.  
: Can be set in other than standby state.  
: Can be set while Audio file source.  
: Can be set while Tuner source.  
: Can be set during FM reception.  
: Can be set while accessing AUX source.  
Display  
Setting Setting overview  
Source  
“CLK ADJ” Refer to  
page 10  
Sets the clock.  
“SYNC”  
ON*/OFF Synchronizing the RDS station  
time data and this unit’s clock.  
Refer to the respective page for information on how to  
set the items with reference page number.  
Refer to the <Appendix> (page 12) for the details of the  
menu items.  
“DIM”  
ON/OFF* Adjusts the brightness of  
the display according to the  
surrounding illumination.  
“SWPRE”  
“SPRM”  
R*/ SW  
Sets the preout output.  
3 Set the menu item  
ON*/OFF Turns ON/OFF the Supreme  
function.  
Press the right or left side of the Control knob.  
“NEWS”  
OFF*  
– 90M  
Turns ON/OFF the News Bulletin  
Automatic Reception function  
and sets the news bulletin  
interrupt disabled time.  
4 Exit Menu mode  
Press the [B.BOOST] button.  
“LO.S”  
ON/OFF* Only stations whose reception is  
good are searched in auto seek  
tuning.  
Manual Clock Adjustment  
“AUTO1”/  
”AUTO2”/  
”MANU”  
“AUTO1”*/ Selects the tuning mode of  
”AUTO2”/ the radio.  
”MANU”  
ON*/OFF When station reception is poor,  
automatically switches to the  
station that is broadcasting the  
same program over the same RDS  
network.  
1 Enter Menu mode  
Press the [B.BOOST] button for at least 1  
second.  
“AF”  
“MENU” is displayed.  
2 Select Clock Adjustment mode  
Press the top or bottom side of the Control  
knob.  
“REG”  
ON*/OFF Sets whether to switch to the  
station only in the specific region  
using theAFcontrol.  
Select the “CLK ADJ” display.  
3 Enter Clock Adjust mode  
Press the center of the Control knob for at least  
1 second.  
“ATPS”  
ON*/OFF When traffic information station  
reception is poor, automatically  
searches for a station that can be  
received better.  
ON/OFF* Receives a stereo broadcast in the  
mono mode.  
The clock display blinks.  
“MONO”  
4 Adjust the hours  
Press the top or bottom side of the Control  
knob.  
“NAME SET” Refer to  
Sets the display when switched  
page 11 to AUX source.  
“SCL”  
AUTO/  
Specifies whether the text is  
scrolled automatically.  
Adjust the minutes  
Press the right or left side of the Control knob.  
MANU*  
“AUX”  
OFF/ON1*/ Sets whether to display AUX  
ON2 during source selection.  
5 Exit Clock adjustment mode  
Press the [B.BOOST] button.  
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10 KDC-W237S  
Demonstration mode Setting  
Sets the demonstration mode.  
You can do this adjustment when the “SYNC” is set as  
“OFF.  
1 Enter Menu mode  
Press the [B.BOOST] button for at least 1  
second.  
“MENU” is displayed.  
Auxiliary Input Display Setting  
Selecting the display when changing to Auxiliary  
input source.  
2 Select the Demonstration mode  
Press the top or bottom side of the Control  
knob.  
Select the “DEMO” display.  
1 Select Auxiliary input source  
Press the [SRC] button.  
Select the “AUX” display.  
3 Set the Demonstration mode  
Press the center of the Control knob for at least  
2 seconds.  
Each time you press the knob at least 2 seconds,  
the Demonstration mode alternates between the  
settings shown in the table below.  
2 Enter Menu mode  
Press the [B.BOOST] button for at least 1  
second.  
“MENU” is displayed.  
Display  
“DEMO ON”  
“DEMO OFF”  
Setting  
3 Select Auxiliary input display setting mode  
Press the top or bottom side of the Control  
knob.  
The Demonstration mode function is ON.  
Exit Demonstration mode (Normal mode).  
Select the “NAME SET” display.  
4 Enter Auxiliary input display setting mode  
Press the center of the Control knob for at least  
1 second.  
The presently selected Auxiliary input display is  
displayed.  
5 Select the Auxiliary input display  
Press the right or left side of the Control knob.  
Each time you push the knob, the display alternates  
as listed below.  
• “AUX”  
• “DVD”  
• “PORTABLE”  
• “GAME”  
• “VIDEO”  
• “TV”  
6 Exit Auxiliary input display setting mode  
Press the [B.BOOST] button.  
When operation stops for 10 seconds, the name at that  
time is registered, and the Auxiliary input display setting  
mode closes.  
English  
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11  
Appendix  
About Audio file  
Menu Glossary  
Playable Audio file  
SWPRE (Switching Preout)  
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.  
Switches the preout between rear output (“R”) and  
subwoofer output (“SW”).  
SPRM (Supreme)  
Technology to extrapolate and supplement with  
proprietary algorithm, the high-frequency range  
that is cut off when encoding at low bit rate.  
Supplementing is optimized by compression  
format (MP3 or WMA) and processed according to  
bit rate.  
The effect is negligible with music that is encoded  
at high bit rate, variable bit rate or has minimal high  
frequency range.  
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.  
Playing order of the Audio file  
In the example of folder/file tree shown below, the  
files are played in the order from to .  
CD READ  
Sets the method for reading CD.  
<
v
:
FFolldderr  
Audiofile  
CD  
()  
:
When unable to play special format CD, set this  
function to “2” to force playing. Note that some  
music CD may be unplayable even when set to “2.  
In addition, audio files cannot be played when set  
to “2. Normally, keep this set to “1.  
vꢀ  
vꢆ  
vꢇ  
1 : Automatically distinguishes between audio file  
disc and music CD when playing disc.  
2 : Forces playing as music CD.  
vꢄ  
vꢉ  
v.  
AUX  
When this is set to ON, AUX source can be selected.  
ON1: Outputs the sound of external unit connected  
to the AUX terminal when switched to AUX  
source.  
ON2: Activates the attenuator function when  
switched to AUX source.  
An online manual about audio files is put on the  
site, www.kenwood.com/audiofile/. On this online  
manual, detailed information and notes which are not  
written in this manual are provided. Make sure to read  
through the online manual as well.  
Turn off the attenuator function when  
listening to output from external unit. This  
prevents the noise when no external unit is  
connected to AUX terminal.  
OFF: Disables the selection of AUX source.  
Set to OFF when not using the AUX terminal.  
NEWS (News Bulletin with Timeout Setting)  
Automatically receives news bulletin when it  
starts. Set the time during which interrupt is to be  
disabled after start of another news bulletin.  
Changing ”NEWS 00M” to ”NEWS 90M” turns this  
function ON. When this function is ON, the “NEWS”  
indicator is ON.  
If news bulletin starts when this function is ON,  
“TRAFFIC” is displayed and news is received. If ”20M”  
is has been set, reception of another news bulletin  
will not start for 20 minutes.  
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12 KDC-W237S  
AUTO1, AUTO2, MANUAL (Tuning mode select)  
Select a tuning mode of the radio.  
The marking of products using lasers  
(Except for some areas)  
Tuning mode  
Auto seek  
Display Operation  
“AUTO 1” Automatic search for a station.  
CLASS 1  
LASER PRODUCT  
Preset station seek “AUTO 2” Search in order of the stations in the  
Preset memory.  
Manual  
“MANUALNormal manual tuning control.  
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.  
AF (Alternative Frequency)  
When the reception is poor, automatically alternate  
to another frequency broadcasting the same  
program in the same RDS network with better  
reception.  
RUS (Russian language setting)  
When this is set to ON, the following character  
strings are displayed in Russian:  
Folder name/ File name/ Song title/ Artist name/  
Album name/ CD text (internal CD source)  
OFF (Power OFF Timer)  
Setting the timer to turn this unit’s power OFF  
automatically when Standby mode continues.  
Using this setting can save the vehicle’s battery  
power.  
– – –: Power OFF Timer function is OFF.  
20M: Turns the power OFF after 20 minutes.  
(Factory setting)  
40M: Turns the power OFF after 40 minutes.  
60M: Turns the power OFF after 60 minutes.  
English  
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13  
Accessories/ Installation Procedure  
with the ignition, connect the ignition wire to a power  
source that can be turned on and off with the ignition key.  
Use a commercially available conversion connector if the  
connector does not fit in the vehicle connector.  
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.  
If the console has a lid, make sure to install the unit so that  
the faceplate will not hit the lid when closing and opening.  
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.  
Accessories  
1
..........1  
2
..........2  
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.  
Installation Procedure  
1. To prevent short circuits, remove the key from the  
ignition and disconnect the - terminal of the  
battery.  
After the unit is installed, check whether the brake lamps,  
blinkers, wipers, etc. on the car are working properly.  
Mount the unit so that the mounting angle is 30° or less.  
2. Make the proper input and output wire  
connections for each unit.  
3. Connect the wire on the wiring harness.  
4. Take Connector B on the wiring harness and  
connect it to the speaker connector in your vehicle.  
5. Take Connector A on the wiring harness and  
connect it to the external power connector on your  
vehicle.  
6. Connect the wiring harness connector to the unit.  
7. Install the unit in your car.  
8. Reconnect the - terminal of the battery.  
9. Press the reset button.  
¤
Mounting and wiring this product requires skills and  
experience. For safety’s sake, leave the mounting and wiring  
work to professionals.  
Make sure to ground the unit to a negative 12V DC power  
supply.  
Do not install the unit in a spot exposed to direct sunlight  
or excessive heat or humidity. Also avoid places with too  
much dust or the possibility of water splashing.  
Do not use your own screws. Use only the screws provided.  
If you use the wrong screws, you could damage the unit.  
If the power is not turned ON (“PROTECT” is displayed),  
the speaker wire may have a short-circuit or touched the  
chassis of the vehicle and the protection function may  
have been activated. Therefore, the speaker wire should be  
checked.  
Make sure that all wire connections are securely made by  
inserting jacks until they lock completely.  
If your vehicle’s ignition does not have an ACC position, or  
if the ignition wire is connected to a power source with  
constant voltage such as a battery wire, the power will not  
be linked with the ignition (i.e., it will not turn on and off  
along with the ignition). If you want to link the unit’s power  
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14 KDC-W237S  
Connecting Wires to Terminals  
Rear preout/ Subwoofer preout  
Fuse (10A)  
FM/AM antenna input  
Antenna Cord (JASO)  
Wiring harness  
(Accessory1)  
TEL mute wire (Brown)  
Connect to the terminal that is grounded when  
either the telephone rings or during conversation.  
MUTE  
To connect the Kenwood navigation system,  
consult your navigation manual.  
If no connections are made, do  
not let the wire come out from  
the tab.  
Power control/ Motor  
antenna control wire  
(Blue/White)  
Connect either to the power control terminal  
when using the optional power amplifier, or to the  
antenna control terminal in the vehicle.  
P.CONT  
ANT.CONT  
Battery wire (Yellow)  
Ignition wire (Red)  
See next page.  
A–7 Pin (Red)  
A–4 Pin (Yellow)  
Connector A  
Connector B  
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
English  
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15  
Connecting Wires to Terminals  
Connector Function Guide  
Pin Numbers for Cable Colour  
ISO Connectors  
External Power  
Connector  
2WARNING  
Functions  
Connecting the ISO Connector  
The pin arrangement for the ISO connectors depends on  
the type of vehicle you drive. Make sure to make the proper  
connections to prevent damage to the unit.  
A-4  
A-5  
A-7  
A-8  
Yellow  
Blue/White  
Red  
Battery  
The default connection for the wiring harness is described in  
1 below. If the ISO connector pins are set as described in 2  
or 3, make the connection as illustrated.  
Please be sure to reconnect the cable as shown 2 below to  
install this unit to the Volkswagen vehicles etc.  
Power Control  
Ignition (ACC)  
Earth (Ground)  
Connection  
Black  
Speaker  
Connector  
B-1  
1(Default setting) The A-7 pin (red) of the vehicle’s  
ISO connector is linked with the ignition, and the A-  
4 pin (yellow) is connected to the constant power  
supply.  
Ignition cable (Red)  
Unit  
Battery cable (Yellow)  
Purple  
Rear Right (+)  
Rear Right (–)  
Front Right (+)  
Front Right (–)  
Front Left (+)  
Front Left (–)  
Rear Left (+)  
Rear Left (–)  
B-2  
B-3  
Purple/Black  
Gray  
B-4  
B-5  
Gray/Black  
White  
A-7 Pin (Red)  
B-6  
B-7  
White/Black  
Green  
Vehicle  
A-4 Pin (Yellow)  
B-8  
Green/Black  
2The A-7 pin (red) of the vehicle’s ISO connector is  
connected to the constant power supply, and the  
A-4 pin (yellow) is linked to the ignition.  
Ignition cable  
A-7 Pin (Red)  
(Red)  
Unit  
Vehicle  
A-4 Pin (Yellow)  
Battery cable  
(Yellow)  
3The A-4 pin (yellow) of the vehicle’s ISO connector  
is not connected to anything, while the A-7 pin  
(red) is connected to the constant power supply  
(or both the A-7 (red) and A-4 (yellow) pins are  
connected to the constant power supply).  
Ignition cable (Red)  
Unit  
Battery cable (Yellow)  
A-7 Pin (Red)  
Vehicle  
A-4 Pin (Yellow)  
When the connection is made as in 3 above, the unit’s  
power will not be linked to the ignition key. For that reason,  
always make sure to turn off the unit’s power when the  
ignition is turned off.  
To link the unit’s power to the ignition, connect the ignition  
cable (ACC...red) to a power source that can be turned on  
and off with the ignition key.  
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16 KDC-W237S  
Installation/Removing the Unit  
Installation  
Removing the hard rubber frame  
Metal mounting strap  
1 Engage the catch pins on the removal tool and  
remove the two locks on the upper level.  
Upper the frame and pull it forward as shown in  
the figure.  
(commercially available)  
Firewall or metal support  
Lock  
Catch  
Bend the tabs of the  
Accessory2  
mounting sleeve with a  
screwdriver or similar utensil  
and attach it in place.  
Removal tool  
2 When the upper level is removed, remove the  
lower two locations.  
Self-tapping screw  
(commercially available)  
The frame can be removed from the bottom side in the  
same manner.  
Screw (M4X8)  
(commercially available)  
Removing the Unit  
Make sure that the unit is installed securely in place. If the  
unit is unstable, it may malfunction (for example, the sound  
may skip).  
1 Refer to the section <Removing the hard rubber  
frame> and then remove the hard rubber frame.  
2 Remove the screw (M4 × 8) on the back panel.  
3 Insert the two removal tools deeply into the slots  
on each side, as shown.  
4 Lower the removal tool toward the bottom, and  
pull out the unit halfway while pressing towards  
the inside.  
Screw (M4X8)  
(commercially available)  
Accessory2  
¤
Be careful to avoid injury from the catch pins on the  
removal tool.  
5 Pull the unit all the way out with your hands, being  
careful not to drop it.  
English  
|
17  
Troubleshooting Guide  
Some functions of this unit may be disabled by  
some settings made on this unit.  
The messages shown below display your  
systems condition.  
TOC ERR:  
• No disc has been loaded in the disc  
magazine.  
• The CD is quite dirty. The CD is upside-  
down. The CD is scratched a lot.  
!
!
Cannot display the user of System Q.  
<Audio Control> (page 6) is not set.  
• Cannot set up the subwoofer.  
• No output from the subwoofer.  
• Cannot set up the low pass filter.  
• Preout is not set to subwoofer. <Menu System>  
(page 10)  
E-05:  
E-15:  
The disc is unreadable.  
Media was played that doesn’t have data  
recorded that the unit can play.  
E-77:  
The unit is malfunctioning for some reason.  
Press the reset button on the unit. If the “E-  
77” code does not disappear, consult your  
nearest service center.  
• <Subwoofer output> (page 4) is not set to On.  
!
Cannot set up Display.  
<Demonstration mode Setting> (page 11) is not  
turned off.  
E-99:  
Something is wrong with the disc magazine.  
Or the unit is malfunctioning for some reason.  
Check the disc magazine. And then press  
the reset button on the unit. If the “E-99”  
code does not disappear, consult your  
nearest service center.  
What might seem to be a malfunction in your unit  
may just be the result of slight misoperation or  
miswiring. Before calling service, first check the  
following table for possible problems.  
IN (Blink):  
PROTECT:  
The CD player section is not operating  
properly.  
Reinsert the CD. If the CD cannot be  
ejected or the display continues to flash  
even when the CD has been properly  
reinserted, please switch off the power  
and consult your nearest service center.  
Tuner source  
? Radio reception is poor.  
The car antenna is not extended.  
Pull the antenna out all the way.  
The speaker wire has a short-circuit or  
touches the chassis of the vehicle, and then  
the protection function is activated.  
Wire or insulate the speaker cable  
properly and press the reset button. If  
the “PROTECT” code does not disappear,  
consult your nearest service center.  
Disc source  
? The specified disc does not play, but another one  
plays instead.  
The specified CD is quite dirty.  
Clean the CD.  
The disc is loaded in a different slot from that  
specified.  
NA FILE:  
An Audio file is played with a format that this  
unit can’t support.  
----  
Eject the disc magazine and check the number  
for the specified disc.  
The disc is severely scratched.  
Try another disc instead.  
COPY PRO:  
A copy-protected file is played.  
----  
Audio file source  
? The sound skips when an Audio file is being  
played.  
The media is scratched or dirty.  
Clean the media, referring to the CD cleaning of  
the section on <Handling CDs> (page 3).  
The recording condition is bad.  
Record the media again or use another media.  
|
18 KDC-W237S  
Specifications  
FM tuner section  
Audio section  
Frequency range (50 kHz space)  
: 87.5 MHz – 108.0 MHz  
Maximum output power  
: 50 W x 4  
Usable sensitivity (S/N = 26dB)  
: 0.7 μV/75 Ω  
Quieting Sensitivity (S/N = 46dB)  
: 1.6 μV/75 Ω  
Frequency response ( 3.0 dB)  
: 30 Hz – 15 kHz  
Signal to Noise ratio (MONO)  
: 65 dB  
Full Bandwidth Power (at less than 1% THD)  
: 30 W x 4  
Speaker Impedance  
: 4 – 8 Ω  
Tone action  
Bass : 100 Hz 8 dB  
Middle : 1 kHz 8 dB  
Treble : 10 kHz 8 dB  
Selectivity (DIN) ( 400 kHz)  
: ≥ 80 dB  
Stereo separation (1 kHz)  
: 35 dB  
Preout level / Load (CD)  
: 2000 mV/10 kΩ  
Preout impedance  
: ≤ 600 Ω  
MW tuner section  
Auxiliary input  
Frequency range (9 kHz space)  
: 531 kHz – 1611 kHz  
Frequency response ( 3 dB)  
: 20 Hz – 20 kHz  
Usable sensitivity (S/N = 20dB)  
: 25 μV  
Input Maximum Voltage  
: 1200 mV  
Input Impedance  
: 10 kΩ  
LW tuner section  
Frequency range  
: 153 kHz – 281 kHz  
General  
Usable sensitivity (S/N = 20dB)  
: 45 μV  
Operating voltage (11 – 16V allowable)  
: 14.4 V  
Current consumption  
: 10 A  
Installation Size (W x H x D)  
: 182 x 53 x 155 mm  
Weight  
: 1.30 kg  
CD player section  
Laser diode  
: GaAlAs  
Digital filter (D/A)  
: 8 Times Over Sampling  
D/A Converter  
: 24 Bit  
Spindle speed  
: 500 – 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  
: 93 dB  
MP3 decode  
: Compliant with MPEG-1/2 Audio Layer-3  
WMA decode  
: Compliant with Windows Media Audio  
Specifications subject to change without notice.  
English  
|
19  

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