CASSETTE RECEIVER
KRC-152LA
KRC-152LG
INSTRUCTION MANUAL
© B64-1193-00 (EN)
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Safety precautions
2WARNING
2CAUTION
NOTE
• If you experience problems during installa-
tion, consult your Kenwood dealer.
To prevent injury and/ or fire, take the
follow ing precautions:
To prevent dam age to the m achine,
take the follow ing precautions:
• If the unit does not seem to be working right,
try pressing the reset button first. If that does
not solve the problem, consult your Kenwood
dealer.
• Insert the unit all the way until it is fully
locked in place. Otherwise it may fly out of
place during collisions and other jolts.
• When extending the ignition, battery or
ground cables, make sure to use automotive-
grade cables or other cables with an area of
0.75mm2 (AWG18) or more to prevent cable
deterioration and damage to the cable coat-
ing.
• To prevent short circuits, never put or leave
any metallic objects (e.g., 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 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 set the removed faceplate or the face-
plate case in areas exposed to direct sunlight,
excessive heat or humidity. Also avoid places
with too much dust or the possibility of water
splashing.
MONO
AUTO
AME
CLK
LOUD
Reset button
• Do not subject the faceplate to excessive
shock, as it is a piece of precision equipment.
Cleaning the Unit
If the front panel gets dirty, turn off the
power and wipe the panel with a dry silicon
cloth or soft cloth.
• Be careful not to drop the unit or subject it to
strong shock.
• To prevent deterioration, do not touch the
terminals of the unit or faceplate with your
fingers.
• 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 mal-
function.
• To prevent short circuits when replacing a
fuse, first disconnect the wiring harness.
• During installation, do not use any screws
except for the ones provided. The use of
improper screws might result in damage to
the main unit.
The unit may break or crack because it con-
tains glass parts.
• Do not touch the liquid crystal fluid if the LCD
is damaged or broken due to shock. The liq-
uid crystal fluid may be dangerous to your
health or even fatal.
If the liquid crystal fluid from the LCD con-
tacts your body or clothing, wash it off with
soap immediately.
2CAUTION
Do not wipe the panel with a stiff cloth or a
cloth dampened by volatile solvents such as
paint thinner and alcohol. They can scratch
the surface of the panel and/or cause the
indicator letters to peel off.
Cleaning the Faceplate Term inals
If the terminals on the unit or faceplate get
dirty, wipe them with a dry, soft cloth.
— 3 —
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Safety precautions
Buttons and Display
Cleaning the Tape Head
Ba s ic o p e ra t io n s
After you have used the tape player many times over a long period,
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.
SRC/
PWR OFF
u d
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 cap-
stan and/or pinch rollers, causing trouble.
MONO
AUTO
AME
CLK
LOUD
• 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 above the fascia panel
(dashboard) and other spots exposed to direct sunlight, or near
heater outlets. They can deform the cassette.
ATT
LOUD
• 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
whilst. If you leave a tape in the unit too long, it may stick to the tape
head and cause unit malfunction.
LOUD indicator
Volume
ATT indicator
— 4 —
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Buttons and Display
Tu n e r fe a t u re s
Ca s s e t t e p la ye r fe a t u re s
FM/
MONO
SRC 4 ¢
0
REW
FF
AM
MONO
MONO
AUTO
AME
CLK
AUTO
AME
CLK
LOUD
LOUD
T.C
SRC
#1-6
AUTO/AME
LO.S indicator
Preset Station Number
Frequency
Tape indicator
MONO indicator
ST indicater
Band display
AUTO indicater
T.C indicator
— 5 —
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Buttons and Display
Basic operations (See page 4)
Ot h e r fe a t u re s
P o w e r
Turning on the pow er:
Press the SRC button.
SRC/
PWR OFF
NOTE
AUD
FM
4 ¢
Turn the power on before carrying out the following procedures.
Turning off the pow er:
Hold down the PWR OFF button for one second or more.
Selecting the standby m ode:
MONO
Press the SRC button repeatedly to select to "OFF".
When "OFF" is displayed, the standby mode is turned on.
The standby mode turns all functions off although leaving the
unit’s power on. Use this mode when you want to have the
display illuminated but do not want to listen to anything.
AUTO
AME
CLK
LOUD
u d
#1
#3
CLK AM
S w it c h in g Mo d e s
Sw itching Modes:
Each time you press the SRC button, the mode switches as
follows:
▼
Tuner mode
▼
Tape mode
▼
Standby mode
NOTE
The mode switches to the next mode from any mode which can-
not be used.
Vo lu m e
Clock display
Increasing Volum e:
Press the u button to turn up the volume.
Decreasing Volum e:
Press the d button to turn down the volume.
— 6 —
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Basic operations (See page 4)
Tuner features (See page 5)
At t e n u a t o r
Tu n in g
This function allow s you to turn dow n the volum e quickly.
You can choose from three tuning m odes: auto seek, local
seek, and m anual.
When the AUTO indicator is off, m anual tuning has been
selected, and w hen it is ON, auto seek tuning has been select -
ed.
Local seek refers to auto seek tuning that skips radio frequen -
cies w ith poor reception. When local seek is on, the LO.S indi-
cator turns on.
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
1
Turning down the volume all the way turns off the attenuator
function.
Press the SRC button repeatedly until tuner mode is obtained.
"TUnE" is displayed when the tuner mode is selected.
2
3
Press either the FM or AM button to select the band.
Each time you press the FM button, the band switches
between the FM1, FM2 and FM3.
Lo u d n e s s
This function am plifies low and high tones w hen the volum e
Press the AM button to select the MW and LW bands.
is turned dow n.
The LOUD indicator lights up, w hen the loudness function is
on.
Each time you press the AUTO button, the mode switches as
follows:
▼
AUTO indicator
LO.S indicator
Turning Loudness On/ Off:
Auto seek
❍
✕
Press the LOUD button to switch the loudness on and off.
▼
Local seek
❍
✕
❍
✕
▼
Manual
4
• Auto Seek Tuning
Press the ¢ button to seek increasing frequencies.
Press the 4 button to seek decreasing frequencies.
• Manual Tuning
Press the ¢ button to increase the frequency by one step.
Press the 4 button to decrease the frequency by one step.
NOTE
The ST indicator lights up when stereo broadcasts are being
received.
— 7 —
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Tuner features (See page 5)
Mo n a u ra l Re c e p t io n
Au t o Me m o ry En t ry
Turn m onaural reception on and off.
You can autom atically store all the receivable frequencies in
the band currently being listened to, and then recall them w ith
the touch of a button later. This function is especially useful
w hen you are travelling and do not know w hat stations are
available. Up to 6 frequencies can be stored this w ay.
Turning Monaural Reception On/ Off:
Hold down the MONO button one second or more to turn
monaural reception on and off.
The MONO indicator lights up when monaural reception is on.
1
2
Select the band for auto memory entry.
Hold down the AME button for two seconds or more to start
auto memory entry.
S t a t io n P re s e t Me m o ry
Store the frequency of the station currently being listened to.
You can then recall that station w ith a single touch of a but -
ton.
The numbers of the preset station buttons are shown in order.
When all the stations in a certain band are stored in the preset
memory, the auto memory entry stops. The tuner then plays
the last station received.
1
2
Select the band/ station that you want to have stored.
Recalling a Preset Station:
Hold down the button (#1-6) that you want to use for the sta-
tion, for two seconds or more.
Press the preset station button (#1-6) for the desired station.
The number of the recalled station is displayed.
The button number blinks once in the display to indicate that
the data has been stored.
NOTE
Recalling a Preset Station:
When the local seek function is turned whilst auto memory entry
takes place, the auto memory entry function is cancelled.
Press the preset station button (#1-6) for the desired station.
The number of the recalled station is displayed.
NOTE
You can store 6 stations in each of the FM1, FM2, FM3, and AM
(MW and LW) bands.
— 8 —
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Cassette player features (See page 5)
P la yin g Ca s s e t t e Ta p e s
Tu n e r Ca ll Fu n c t io n
Loading and Playing Cassettes:
Sw itch autom atically to the tuner w hilst you are rew inding or
fast forw arding the tape.
Load a cassette with the tape exposed on the right.
The tape starts playing automatically.
Turning Tuner Call Function On/ Off:
With Side A facing up, the 3 indicator lights up when Side A is
Press the T.C button to switch the tuner call function on and
off.
The T.C indicator lights up when the tuner call function is
turned on.
playing, and 2 when Side B is playing.
The 2 3 indicator lights up whilst play is paused.
Playing Cassettes Already Loaded:
Press the SRC button repeatedly until the tape mode is
obtained. "TAPE" is displayed when the tape mode has been
selected.
Listening to the other side:
Press the FF button and REW button at the same time.
Tape play switches to the other side.
Stopping and Ejecting Cassettes:
Press the 0 button.
The tape stops playing and the cassette ejects.
NOTE
Remove a cassette from the unit when not listening to it for a
whilst. If you leave it in the unit too long, the tape may stick to
the tape head and cause the unit to malfunction.
Fa s t Fo rw a rd in g a n d Re w in d in g Ca s s e t t e Ta p e s
Fast Forw arding Tapes:
Press the FF button.
If the REW button is pressed, normal tape play returns.
Rew inding Tapes:
Press the REW button.
If the FF button is pressed, normal tape play returns.
— 9 —
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Other features (See page 6)
Au d io Co n t ro l S e t t in g
Clo c k Dis p la y
Adjust various param eters of sound quality.
Display the tim e.
1
Sw itching to Tim e Display:
Press the AUD button to enter the control mode.
Each time the AUD button is pressed, the adjustment mode
display changes as follows:
Press the CLK button repeatedly until the clock is displayed.
7 Bass 7 Treble 7 Balance 7 Fader 7 Volume
Ad ju s t in g Tim e
If you do not move to step 2 in 5 seconds, the unit will switch
back to the volume adjustment mode (i.e., the normal mode).
Adjust the tim e.
1
When the time is not displayed, first press the CLK button to
display the time.
NOTE
Source tone memory
Each source (tape, FM, AM, and disc changer) has its own mem -
ory in which to store the bass and treble tone settings.
The settings made for a particular source are then recalled auto-
matically whenever you use that source (e.g., FM mode uses the
tone settings made for FM, AM for AM, etc.).
2
Hold down the CLK button for one second or more to enter the
Time Adjustment mode.
The hour display will blink.
3
4
• Adjusting the hours
Press the FM button to advance the hours, or press the AM
button to make the hours go back.
2
Press the d/u buttons to adjust the mode shown in the dis -
play.
• Adjusting the minutes
Use the following table as a guide for adjusting the settings in
each mode.
Press the ¢ button to advance the minutes, or press the
4 button to make the minutes go back.
Adjustment
mode
(Display)
Operation of Audio control button
Press the MENU button to end the Time Adjustment mode.
d button
u button
Bass
(“BAS”)
Bass decreased.
Bass increased.
Treble
(“TRE”)
Treble decreased.
Treble increased.
Balance
(“BAL”)
Left channel empha-
sized.
Right channel empha-
sized.
Fader
(“FAD”)
Rear channel
increased.
Front channel
increased.
— 10 —
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Ac c e s s o rie s
Other features (See page 6)
External view
Num ber of item s
Th e ft De t e rre n t Fa c e p la t e
The faceplate of the unit can be detached and taken w ith you,
helping to deter theft.
1
2
3
..........................................1
Projections
..........................................2
..........................................1
..........................................1
Release button
Grooves
Rem oving Faceplate:
Press the release button.
The faceplate is unlocked, allowing you to detach it.
4
NOTE
• The faceplate is a precision piece of equipment and can be
damaged by shocks or jolts. For that reason, keep the faceplate
in its special storage case whilst detached.
2CAUTION
The use of any accessories except for those provided might result
in damage to the unit. Make sure only to use the accessories
shipped with the unit, as shown above.
• Do not expose the faceplate or its storage case to direct sun-
light or excessive heat or humidity. Also avoid places with too
much dust or the possibility of water splashing.
Reattaching Faceplate:
1
Align the projections on the unit with the grooves on the face -
plate.
2
Push the faceplate in until it clicks.
The faceplate is locked in place, allowing you to use the unit.
— 11 —
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In s t a lla t io n P ro c e d u re
1. To prevent short circuits, remove the key from the ignition and
2CAUTION
disconnect the -terminal of the battery.
• If your car is not prepared for this special connection-system,
consult your kenwood dealer.
• Only use antenna conversion adapters (ISO-JASO) when the
antenna cord has an ISO plug.
• Make sure that all cable 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 cable is connected to a power source with constant
voltage such as a battery cable, 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 with the ignition,
connect the ignition cable to a power source that can be turned
on and off with the ignition key.
2. Make the proper input and output cable connections for each unit.
3. Connect the cable 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.
• If the fuse blows, first make sure that the cables have not
caused a short circuit, then replace the old fuse with one with
the same rating.
• Do not let unconnected cables or terminals touch metal on the
car or anything else conducting electricity. To prevent short cir-
cuits, also do not remove the caps on the ends of the uncon-
nected cables or the terminals.
• Connect the speaker cables correctly to the terminals to which
they correspond. The unit may receive damage or fail to work if
you share the - cables and/or ground them to any metal part in
the car.
• After the unit is installed, check whether the brake lamps, indi-
cators, wipers, etc. on the car are working properly.
• Some disc changers need conversion cables for connection.
See the section on "Safety Precautions" for details.
• Insulate unconnected cables with vinyl tape or other similar
material.
— 12 —
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Co n n e c t in g Ca b le s t o Te rm in a ls
Fuse
Antenna Conversion Adaptor (ISO–JASO) (Accessory4)
Antenna Cord (ISO)
FM/AM antenna input
Wiring harness
(Accessory1)
Connector Function Guide
Pin Num bers for
Cable Colour
Functions
ISO Connectors
External Power
Connector
Battery cable (Yellow)
Ignition cable (Red)
A–4
A–5
A–7
A–8
Yellow
Blue/White
Red
Battery
Power Control
Ignition (ACC)
Earth (Ground)
Connection
Black
Speaker
Connector
B–1
B–2
B–3
B–4
B–5
B–6
B–7
B–8
Purple
Purple/Black
Gray
Gray/Black
White
White/Black
Green
Rear Right (+)
Rear Right (–)
Front Right (+)
Front Right (–)
Front Left (+)
Front Left (–)
Rear Left (+)
Rear Left (–)
A–7 Pin (Red)
If no connections are made, do
not let the cable come out from
the tab.
A–4 Pin (Yellow)
Connect either to the power
control terminal when using
the optional power amplifier,
or to the antenna control ter-
minal in the vehicle.
P.CONT.OUT
Power control/ Motor antenna
control cable (Blue/White)
Green/Black
Connector A
Connector B
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
— 13 —
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Co n n e c t in g Ca b le s t o Te rm in a ls
In s t a lla t io n
■
2WARNING
Installation
Connecting the ISO Connector (see p.13)
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.
Firewall or metal support
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.
Accessory3
1 (Default setting) The A-7 pin (red) of the vehicle's ISO connec-
tor is linked with the ignition, and the A-4 pin (yellow) is con-
nected to the constant power supply.
Unit
Vehicle
Ignition cable (Red)
A–7 Pin (Red)
Bend the tabs of the
mounting sleeve with
a screwdriver or simi-
lar utensil and attach
it in place.
A–4 Pin (Yellow)
Battery cable (Yellow)
2 The 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.
Metal mounting
strap
(commercially
available)
Self-tapping
screw
(commercial-
ly available)
Unit
Vehicle
A–7 Pin (Red)
Ignition cable (Red)
NOTE
Make sure that the unit is installed securely in place. If the unit is
unstable, it may malfunction (eg, the sound may skip).
Battery cable (Yellow)
A–4 Pin (Yellow)
3 The A-4 pin (yellow) of the vehicle's ISO connector is not con-
nected 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).
Unit
Vehicle
Ignition cable (Red)
A–7 Pin (Red)
Battery cable (Yellow)
A–4 Pin (Yellow)
NOTE
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.
— 14 —
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In s t a lla t io n
■
■
Rem oving the hard rubber fram e
Rem oving the Unit
1
Refer to the section “Removing the hard rubber frame” and
then remove the hard rubber frame.
1
Engage the catch pins on the removal tool and remove the two
locks on the lower level.
Lower the frame and pull it forward as shown in the figure.
2
3
Remove the Hex-head screw with integral washer (M4×8) on
the back panel.
Insert the two removal tools deeply into the slots on each side,
as shown.
Catch
Lock
Accessory3
Catch facing up
Accessory2
Removal tool
2
When the lower level is removed, remove the upper two loca-
tions.
4
Lower the removal tool
toward the bottom, and pull
out the unit halfway whilst
pressing towards the
inside.
2CAUTION
Be careful to avoid injury from the catch pins on the removal tool.
NOTE
5
Pull the unit all the way out
with your hands, being care-
ful not to drop it.
The frame can be removed from the top side in the same man-
ner.
— 15 —
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Tro u b le s h o o t in g Gu id e
What m ight appear to be a m alfunction in your unit m ay just be the result of slight m isoperation or m isw iring. Before
calling service, first check the follow ing table for possible problem s.
PROBLEM
POSSIBLE CAUSE
SOLUTION
The power does not turn on.
The fuse has blown.
After checking for short circuits in the cables, replace the
fuse with one having the same rating.
No ACC position on vehicle ignition.
The Attenuator function is turned on.
Connect the same cable to the ignition as the battery cable.
Turn off the Attenuator function.
No sound can be heard, or the
volume is low.
The fader and/or balance settings are set all the way to
one side.
Reset the fader and/or balance settings.
The input/output cables or wiring harness are connected
incorrectly.
Reconnect the input/output cables and/or the wiring harness
correctly. See the section on "Connecting Cables to
Terminals".
The cassette tape is bad.
Try playing another cassette tape. If no problem is experi-
enced, the first tape was bad.
The cassette tape is not loaded properly.
If the tape does not start to play when a cassette tape is
inserted, eject it and try inserting it again.
Nothing happens when the but-
tons are pressed.
The computer chip in the unit is not functioning normally.
The tape head is dirty.
Press the reset button on the unit (see page 3).
Clean the tape head, referring to the section on "Cleaning
the tape head" (see page 3).
The sound quality is poor or dis-
torted.
A speaker cable may be pinched by a screw in the car.
The speakers are not wired correctly.
Check the speaker wiring.
Reconnect the speaker cables so that each output terminal
is connected to a different speaker.
Radio reception is poor.
The car antenna is not extended.
Pull out the antenna all the way.
The antenna control cable is not connected.
Connect the cable correctly, referring to the section on
"Connecting Cables to Terminals".
The memory is erased when
the ignition is turned off.
The battery cable has not been connected to the proper
terminal.
Connect the cable correctly, referring to the section on
"Connecting Cables to Terminals".
The ignition and battery cable are incorrectly connected.
Connect the cable correctly, referring to the section on
"Connecting Cables to Terminals".
— 16 —
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S p e c ific a t io n s
Specifications subject to change w ithout notice.
FM tuner section
Frequency range (50 kHz Space) ..............87.5 MHz – 108.0 MHz
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
Selectivity (DIN) (±400 kHz) ............................................ ≥ 80 dB
Stereo separation (1 kHz) ....................................................35 dB
MW tuner section
Frequency range (9 kHz Space) ......................531 kHz – 1611 kHz
Usable sensitivity (S/N = 20dB) ............................................25 µV
LW tuner section
Frequency range ..............................................153 kHz – 281 kHz
Usable sensitivity (S/N = 20dB) ............................................45 µV
Cassette player section
Tape speed ..............................................................4.76 cm/sec.
Wow & Flutter (WRMS) ....................................................0,12 %
Frequency respons (120 µs) ......................30 Hz – 14 kHz (±3 dB)
Separation (1 kHz) ................................................................40 dB
Signal to Noise ratio ............................................................54 dB
Audio section
Maximum output power..................................................30 W × 4
Output power (DIN 45324, +B=14.4 V) ..........................20 W × 4
Tone action
Bass: ............................................................100 Hz ±10 dB
Treble: ..........................................................10 kHz ±10 dB
General
Operating voltage ..............................14.4 V (11 – 16 V allowable)
Current consumption ....................................10 A at Rated power
Installation size (W × H × D)............................182 × 53 × 154 mm
Weight................................................................................1400 g
— 17 —
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