DPX-4020
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DPX-4020/MH4
DPX-4020/PH4
DOUBLE DIN SIZED CD/CASSETTE RECEIVER
INSTRUCTION MANUAL
© B64-2501-00/00 (MW)
Contents
Safety precautions
Safety precautions ........................................................................3
English
Handling Compact discs ...............................................................5
General features
Power............................................................................................7
Volume..........................................................................................7
Attenuator .....................................................................................7
Switching Modes ..........................................................................8
Audio Control Setting....................................................................8
Spectrum Analyzer Display Selection ...........................................9
Sub Spectrum Analyzer Display Selection....................................9
Switching Display........................................................................10
Adjusting Time ............................................................................10
Tuner features
Tuning ..........................................................................................11
Station Preset Memory...............................................................11
Clean Reception System Circuit (CRSC).....................................11
Frequency Step Setting ..............................................................12
Switching Display for Tuner ........................................................12
Station Name Preset (SNPS) ......................................................12
Cassette player features
Playing Cassette Tapes ...............................................................14
Fast Forwarding and Rewinding Cassette Tapes........................14
Using Dolby B Noise Reduction..................................................14
Switching Tape Types .................................................................14
Using Direct Program Search System (DPSS)............................15
Blank Skip ...................................................................................15
Index Scan ..................................................................................15
Music Repeat..............................................................................16
Switching Display for Cassette Tapes ........................................16
CD/External disc control features
Playing CDs.................................................................................17
Playing Other Disc mode ............................................................17
Fast Forwarding and Reversing Disc Play ..................................17
Switching Display for Discs ........................................................18
Track Search ................................................................................18
Disc Search .................................................................................18
Track Repeat ...............................................................................19
Disc Repeat.................................................................................19
Track Scan ...................................................................................19
Random Play ...............................................................................19
Magazine Random Play...............................................................20
Text / Title Scroll..........................................................................20
Presetting Disc Names (DNPS) ..................................................20
DSP/Equalizer control features
DSP (Digital Signal Processor) ....................................................22
Sound Field Control.....................................................................22
Equalizer Easy Mode...................................................................22
Equalizer Pro Mode.....................................................................22
Function Set System
Function Set System...................................................................24
Dimmer Level Adjustment..........................................................25
Touch Sensor Tone......................................................................25
Switching preout.........................................................................25
Opening Display..........................................................................25
Equalizer Mode ...........................................................................25
Security Code..............................................................................26
Selecting Tuning Mode ...............................................................27
Auto Memory Entry ....................................................................27
Text Scroll....................................................................................27
Basic Operations of remote ................................28
Installation
Accessories.................................................................................30
Installation Procedure .................................................................30
Connecting Wires to Terminals ...................................................31
Installation...................................................................................32
Troubleshooting Guide........................................33
Specifications .....................................................36
— 2 —
Safety precautions
2WARNING
To prevent injury or fire, take the
following precautions:
• Insert the unit all the way in until it is fully
locked in place. Otherwise it may fall out of
place when jolted.
• When extending the ignition, battery, or
ground wires, make sure to use
automotive-grade wires or other wires with
a 0.75mm
wire deterioration and damage to the wire
coating.
•To prevent a short circuit, never put or
leave any metallic objects (such as coins or
metal tools) inside the unit.
• If the unit starts to emit smoke or strange
smells, turn off the power immediately and
consult your Kenwood dealer.
• Make sure not to get your fingers caught
between the faceplate and the unit.
• Be careful not to drop the unit or subject it
to strong shock.
The unit may break or crack because it
contains glass parts.
2
(AWG18) or more to prevent
2CAUTION
To prevent damage to the machine,
take the following precautions:
• Make sure to ground the unit to a negative
12V DC power supply.
• Do not open the top or bottom covers of
the unit.
• 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 subject the faceplate to excessive
shock, as it is a piece of precision
equipment.
• When replacing a fuse, only use a new one
with the prescribed rating. Using a fuse
with the wrong rating may cause your unit
to malfunction.
•To prevent a short circuit when replacing a
fuse, first disconnect the wiring harness.
• Do not place any object between the
faceplate and the unit.
• Do not use your own screws. Use only the
screws provided. If you use the wrong
screws, you could damage the unit.
• Do not apply excessive force to the open
faceplate or place objects on it. Doing so
will cause damage or breakdown.
IMPORTANT INFORMATION
About the disc changer to be
connected:
To connect a disc changer having the "O-N"
switch to this unit, set the "O-N" switch to
"N".
When you connect a model with no "O-N"
switch, the converter cord CA-DS100
available as an option may be required. For
details, consult your Kenwood dealer.
If a model with no "O-N" switch is
connected, some unavailable functions and
information that cannot be displayed are
generated, such as the DNPS, Magazine
random play, and CD Text display.
Note that none of the KDC-C100, KDC-C302,
C205, C705, and non-Kenwood CD changers
can be connected.
2CAUTION
You can damage both your unit and
the CD changer if you connect them
incorrectly.
The marking of products using lasers
(Except for some areas)
CLASS 1
LASER PRODUCT
Manufactured under license from Dolby
Laboratories.
“Dolby” and the double-D symbol are
trademarks of Dolby Laboratories.
— 3 —
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.
Safety precautions
NOTE
• If you experience problems during
English
installation, consult your Kenwood dealer.
• If the unit fails to operate properly, press
the RESET button. The unit returns to
factory settings when the RESET button is
pressed. If the unit still fails to operate
properly after the RESET button has been
pressed, contact your local KENWOOD
dealer for assistance.
•Press the reset button if the disc auto
changer is first controlled and operates
incorrectly. The original operating condition
will return.
Reset button
• 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
represent something impossible in actual
operation.
• The functions that can be used and the
information that can be displayed will differ
depending on the external disc players
being connected.
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 neutral detergent off.
2CAUTION
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.
Cleaning the CD Slot
As dust tends to accumulate in the CD slot,
clean it every once in a while. Your CDs can
get scratched if you put them in a dusty CD
slot.
Lens Fogging
Right after 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, CDs may be impossible 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.
Cleaning the Tape Head
After you have listened to many cassettes
over a long period of time, magnetic powder
from the tapes and dust accumulates on the
tape head, causing noise and a deterioration
in sound quality. Clean the tape head using a
cleaning tape or cleaning kit designed for use
in car audio systems.
Handling Cassette Tapes
• Do not play a cassette whose tape has gone
slack. In such a case, wind it tight using a
pencil or the like in one of the spools.
Playing slack cassette tapes can result in the
tape tangling around the capstan and/or
pinch rollers, causing trouble.
• Do not play a deformed cassette or one
whose label is starting to come off, as it can
cause the unit to malfunction.
• Do not leave tapes in hot places, such as on
dashboards and other spots exposed to
direct sunlight, or near heater outlets. They
can deform the cassette.
•Avoid using extremely long cassette tapes,
such as 100-minute-long tapes. Such tapes
are very thin, and can tangle easily around
the pinch rollers or other parts inside the
unit, causing unit failure.
• Remove a cassette tape from the unit when
not listening to it for a while. If you leave a
tape in the unit too long, it may stick to the
tape head and cause unit malfunction.
— 4 —
Handling Compact discs
Playing a CD that is dirty, scratched
or warped can cause the sound to
skip and the unit to operate
incorrectly, resulting in worsened
sound quality. Take the following
precautions to prevent your CDs from
getting scratched or damaged.
Handling CDs
• Do not touch the recorded side of the CD
(the side opposite the label) when holding
it.
The reflective film on a CD-R or a CD-RW is
•
more fragile than that on an ordinary music
CD, and may peel off if scratched. Fingerprints
on a CD-R or CD-RW are also more likely to
cause skipping when the disc is played. For
these reasons, handle the disc very carefully.
Detailed handling instructions will appear on
the CD-R or CD-RW package: read this
information carefully before using the disc.
• Do not stick tape on either side of the CD.
Tape
Storing CDs
•Do not store CDs in areas exposed to
direct sunlight (such as a car seat or the
dashboard) or other hot places. A CD-R or
CD-RW is more susceptible than a music
CD to damage from high temperatures and
humidity, and in some cases, may become
unusable if left in the car for long periods
of time.
• Remove CDs from the unit when not
listening to them for a while, and put them
back in their cases. Do not pile up CDs
that are removed from their cases or prop
them against something.
Cleaning CDs
If a CD has gotten dirty, wipe it off gently
using a commercially available cleaning cloth
or a soft cotton cloth, starting from the
center of the disc and moving outward. Do
not clean CDs with conventional record
cleaners, anti-static formulas, or chemicals
such as paint thinner or benzene.
Checking New CDs for Burrs
When playing a new CD for the first time,
check that there are not any burrs stuck to
the perimeter of the disc or in the central
hole. CDs with burrs stuck on them may not
load properly or may skip while playing.
Remove burrs using a ballpoint pen or a
similar utensil.
Burrs
Burrs
— 5 —
Handling Compact discs
Do Not Load CD Accessories
Do not use commercially available CD
accessories that can be loaded into the CD
slot, such as stabilizers, protective sheets,
English
or CD cleaning discs, since they can cause
the unit to malfunction.
Removing the CD
Only remove the CD from the machine in a
horizontal direction, holding it flat. You may
damage the surface of the CD if you try
pulling it down as it ejects.
Do Not Use Special Shape CDs
• Be sure to use round shape CDs only for
this unit and do not use any special shape
CDs. Use of special shape CDs may cause
the unit to malfunction.
• Be sure to use CDs with disc mark
only for this unit.
• CD-Rs and CD-RWs which have not
undergone finalization processing cannot
be played. (For more information on
finalization processing, refer to the manual
for your CD-R/CD-RW writing software or
CD-R/CD-RW recorder.) Additionally,
depending on the recording status, it may
prove impossible to play certain CDs
recorded on CD-R or CD-RW.
Do Not Use CDs with Sticker on the
Labeled Side
Do not use the CD with the label sticker
stuck on it.
Using such a CD may cause the CD to be
deformed and the sticker to peel off,
resulting in malfunction of the unit.
— 6 —
OPEN
¢
4
5
∞
FM
AM
AUD
SRC/
PWR OFF
S.A
DISP
ATT
General features
Sub Spectrum analyzer display
Spectrum analyzer display
Clock display
ATT indicator
Power
Turn ing on the power:
Press the SRC (source) button.
NOTE
Turn the power on before carrying out the following procedures.
Turning off the power:
Press the PWR OFF button for at least one second.
Volume
Increasing Volume:
Press the 5 button to turn up the volume.
Decreasing Volume:
Press the ∞ button to turn down the volume.
Attenuator
This function allows you to turn down the volume quickly.
Turning Attenuator On/Off:
Press the ATT button to switch the attenuator on and off.
When the attenuator is on, the ATT indicator blinks.
When the attenuator is off, the volume returns to the original
level.
NOTE
Turning the volume up, or turning it all the way down deactivates
the attenuator function.
— 7 —
General features
▼
Tuner mode
▼
CD mode
▼
External disc control mode 1
▼
External disc control mode 2/AUX mode
Tape mode
▼
▼
Standby mode
Balance
Fader
NON FAD
Amp CTRL
Switching Modes
Switching Modes:
English
Each time you press the SRC (source) button, the mode
switches as follows:
Selecting standby mode:
Press the SRC button repeatedly and switch to "ALL OFF".
When "ALL OFF" is displayed, the standby mode is activated.
The standby mode turns all functions off while leaving the
power to the unit on. Use this mode when you want to have
the display illuminated but don't want to listen to anything.
NOTE
•The mode switches to the next mode from any mode which
cannot be used.
• The external disc control mode will differ depending on the unit
that is connected.
•To enable the selection of External disc control mode 2/AUX
mode, you should connect optional switching adapter KCAS210A (which allows you to select both External disc control
mode 2 and AUX mode) or CD changer (KDC-CPS87, KDCCX87, KDC-CPS85, KDC-CX85, KDC-CPS82 or KDC-CX82) or
switching adapter CA-C1AX (which allows you to select AUX
mode only).
Audio Control Setting
Adjust various parameters of sound quality.
Press the AUD button for at least one second to enter the
1
control mode.
Selecting mode
2
Press either the FM or AM button.
Each time the button is pressed, the adjustment mode will
change as follows:
Pressing the FM button advances the display, and pressing the
AM button reverses it.
Adjust each mode
3
Press the 4/¢ button.
Look at the table to adjust the mode being displayed.
Adjustment
mode
(Display)
Balance
("Balance")
Fader
("Fader")
Non-Fading
("NON FAD")
External Amp
Control
("Amp CTRL")
Press the AUD to end the control mode.
4
NOTE
• Non-Fading :
This mode is available only when the non-fading output function
is set to on.
• External Amp Control :
As of December 2000, the power amplifiers controllable by the
main unit are as follows:
KAC-X501F/PS501F/X401M/PS401M/X301T/PS301T/X201T/
— 8 —
Operation of Audio control button
4 button ¢ button
Left channel emphasized.
Rear channel increased.
The non-fading output
off.
Right channel emphasized.
Front channel increased.
The non-fading output
on.
"Off" : Bass boost level is flat. (Default setting)
"1" : Bass boost level is low (+6dB).
"2" : Bass boost level is high (+12dB).
PS201T
▼
The spectrum analyzer display switches in
sequence for 10 seconds each.
"SPEANA scan"
∞
"Peak Hold"
∞
"Magnet"
∞
"Spark"
∞
"White Lines"
∞
"Amoeba"
∞
"Laser"
∞
"Strobo Light"
∞
"Frame"
∞
"Swing Line"
∞
"Mixer"
∞
"Rain Drop"
∞
"Landscape"
∞
"Seashore"
∞
"Speana Off"
The sub spectrum analyzer display
switches in sequence for 10 seconds each.
"Peak Level"
∞
"Vibroscope"
∞
"Canyon"
∞
"Peak Bound"
∞
"Champagne"
∞
"Wave"
∞
"Ripple"
∞
"Sub-Ana.Off"
∞
"Sub-Ana.Scan"
∞
"EQ Curve"
Spectrum Analyzer Display Selection
You can select the display to enjoy sounds with eyes.
Switching the Spectrum Analyzer Display:
1
Press the S.A button.
"SPEANA mode" is displayed once the analyzer mode is
entered.
2
Each time you press the S.A button, the analyzer display
switches as follows;
NOTE
If you make no button operation for 10 seconds, the analyzer
mode is automatically canceled.
Sub Spectrum Analyzer Display Selection
Switching the Sub Spectrum Analyzer Display:
Press the S.A button for at least one second to the sub
analyzer display switches as follows;
3
Press the S.A button for at least one second to end the
analyzer mode.
— 9 —
OPEN
¢
4
FM
AM
SRC
38
DISP/
NAME.S
#1 - 6 CRSC
General features
▼
▼
▼
Character + Graphic
Clock + Graphic
Clock
▼
▼
▼
AUX
Character
Clock
▼
Spectrum analyzer
Standby mode AUX mode
Switching Display
You can switch the display during the standby mode and AUX
mode as mentioned below.
English
Changing the Display:
Each time you press the DISP button, the display changes as
follows:
Tuner features
Adjusting Time
Adjust the time.
When the clock is not displayed, first press the DISP button to
1
display the clock.
Press the DISP button for at least one second to enter the
2
clock adjustment mode.
• Adjusting the hours
3
Press the FM button to advance the hours, or press the AM
button to make the hours go back.
• Adjusting the minutes
Press the ¢ button to advance the minutes, or press the
4 button to make the minutes go back.
Press the DISP button to end the clock adjustment mode.
4
— 10 —
AUTO indicator mc indicator
Band display Preset station number
Frequency
ST indicator
Tuning
Press the SRC (source) button repeatedly to select the tuner
1
mode. "TUNER" is displayed when the tuner mode has been
selected.
Press either the FM or AM button to select the band.
2
Each time you press the FM button, the band switches
between the FM1, FM2 and FM3.
Press the AM button to select the AM band.
• Auto Seek Tuning
3
Press the ¢ button to seek higher frequencies.
Press the 4 button to seek lower frequencies.
•Preset station seek tuning
Press the ¢ button to move to the next preset station (i.e.,
the one with the next highest number), and the 4 button to
move to the last preset station (i.e., the one with the next
lowest number).
NOTE
If the frequencies stored at the preset numbers receive
stations which were not originally memorized when traveling
long distances, the preset number is not displayed. In such
cases, pressing the 4/¢ button to use preset station
seek will receive channel 1.
• Manual Tuning
Press the ¢ button to increase the frequency by one step.
Press the 4 button to decrease the frequency by one step.
NOTE
• Please see the function set system about selecting tuning
mode. (page 27)
• The ST indicator lights up when stereo broadcasts are being
received.
Station Preset Memory
Store the frequency of a station. You can then recall that
station with a single touch of a button.
Select the band/station that you want to have stored.
1
Press the button (#1-6) that you want to use for the station, for
2
at least two seconds.
The button number blinks once in the display to indicate that
the data has been stored.
Recalling a Preset Station:
Press the preset station button (#1-6) for the desired station.
The number of the recalled station is displayed.
NOTE
You can store six stations in each of the FM1, FM2, FM3, and
AM bands.
Clean Reception System Circuit (CRSC)
Temporarily have reception switched from stereo to mono to
reduce multi-path noise when listening to the FM station.
The factory default for this function is ON.
Turning CRSC On/Off:
Press the CRSC button for at least one second to turn the
function on/off. "CRSC On" is displayed when CRSC is on.
The mc indicator lights up when CRSC is off.
NOTE
Strong electrical fields (such as from power lines) may cause
unstable sound quality when CRSC is turned on. In such a
situation, turn it off.
— 11 —
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