CASSETTE RECEIVER
KRC-21SA
KRC-21SG
INSTRUCTION MANUAL
RADIOODTWARZACZ
PODRĘCZNIK OBSŁUGI
KACCETHЫЙ PAДИOПPИEMHИK
ИHCTPУKCИЯ ПO ЭKCПЛУATAЦИИ
Изделие изготовлено в Индонезии
© B64-2381-00/00 (EN)
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Safety precautions
2WARNING
2CAUTION
To prevent injury and/or fire, take the
following precautions:
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 set the removed faceplate or 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.
• 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 wires, make sure to use automotive-
grade wires or other wires with a 0.75mm2
(AWG18) or more to prevent wire
deterioration and damage to the wire
coating.
• 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 not to get your fingers caught
between the faceplate and the unit.
• To prevent deterioration, do not touch the
terminals of the unit or faceplate with your
fingers.
• Do not subject the faceplate to excessive
shock, as it is a piece of precision
equipment.
• Be careful not to drop the unit or subject it to
strong shock.
The unit may break or crack because it
contains glass parts.
• Do not touch the liquid crystal fluid if the
LCD is damaged or broken due to shock. The
liquid crystal fluid may be dangerous to your
health or even fatal.
If the liquid crystal fluid from the LCD
contacts your body or clothing, wash it off
with soap immediately.
• 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 short circuits when replacing a
fuse, first disconnect the wiring harness.
• Do not place any object between the
faceplate and the unit.
• 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.
— 3 —
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Safety precautions
About Cassette tape
Cleaning the Faceplate Terminals
If the terminals on the unit or faceplate get
dirty, wipe them with a dry, soft cloth.
Cleaning the tape head
When there’s noise or the sound quality is bad
during tape play the tape head maybe dirty,
clean the tape head.
NOTE
• If you experience problems during
installation, consult your Kenwood dealer.
• 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.
Cleaning the Unit
About Cassette tape
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.
• If the tape is slack tighten it.
• If the cassette tape label is peeling off glue it
on again.
• Don’t use deformed cassette tape.
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.
• Don’t place cassette tape on the dashboard
etc. where the temperature is high.
• Don’t use cassette tape that’s 100 minutes
long or longer.
Reset button
• Characters in the LCD may become difficult
to read in temperatures below 41 ˚F (5 ˚C).
• 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.
— 4 —
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General features
Power
Release button
Turning ON the Power
SRC/
Press the [SRC] button.
u
CLK
FM ¢
4
PWR OFF
Turning OFF the Power
Press the [PWR OFF] button for at least 1 second.
Selecting the Source
Press the [SRC] button.
Source required
Display
Tuner
Tape
"TUnE"
"TAPE"
"OFF"
ATT/
LOUD
d
AUD/
A.ADJ
#1 - 5
AM
Standby (Illumination only mode)
Clock display
ATT indicator
Clock indicator
LOUD indicator
— 5 —
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General features
2 Enter Control mode
Volume
Press the [AUD] button.
Increasing Volume
3 Select the Sound type
Press the [u] button.
Press the [#1] — [#5] button.
Decreasing Volume
Press button
Sound setting
Display
Press the [d] button.
[#1]
[#2]
[#3]
[#4]
[#5]
Flat
"DB-1"
"DB-2"
"DB-3"
"DB-4"
"DB-5"
Rock
Pops
Jazz
Easy
Attenuator
Turning the volume down quickly.
When the dB(Sound Coordinate) setting is changed, the Bass and
Treble set in audio control replace the dB(Sound Coordinate) values.
Press the [ATT] button.
Each time the button is pressed the Attenuator turns ON or OFF.
When it’s ON, the "ATT" indicator blinks.
4 Exit Control mode
Press the [AUD] button.
Loudness
Compensating for low and high tones during low volume.
Audio Control
Press the [LOUD] button for at least 1 second.
Each time the button is pressed for at least 1 second the
Loudness turns ON or OFF.
1 Select the source for adjustment
Press the [SRC] button.
When it’s ON, "LOUD" indicator is ON.
2 Enter Audio Control mode
Press the [A.ADJ] button for at least 1 second.
3 Select the Audio item for adjustment
Press the [FM] or [AM] button.
dB (Sound Coordinate)
Each time the button is pressed the items that can be adjusted
switch as shown below.
You can recall the best sound setting preset for different types of
the music.
4 Adjust the Audio item
1 Select the source to set
Press the [4] or [¢] button.
Press the [SRC] button.
— 6 —
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Adjustment Item
Display
Range
Theft Deterrent Faceplate
The faceplate of the unit can be detached and taken with you,
helping to deter theft.
Bass level
Treble level
Balance
"BAS"
"TRE"
"BL"
–4 — 4
–4 — 4
Left 15 — Right 15
Rear 15 — Front 15
Removing the Faceplate
Fader
"FD"
Press the Release button.
The faceplate is unlocked, allowing you to detach it.
5 Exit Audio Control mode
Press the [A.ADJ] button.
• 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 while detached.
• Do not expose the faceplate or its storage case to direct sunlight
or excessive heat or humidity. Also avoid places with too much
dust or the possibility of water splashing.
Switching Clock Display
Switching the displayed information.
Press the [CLK] button.
Reattaching the Faceplate
1 Align the projections on the unit with the grooves on the
Each time the button is pressed it switches between clock
display and current source.
faceplate.
During clock display the clock indicator is ON.
Adjusting Clock
1 Select the clock display
2 Push the faceplate in until it clicks.
Press the [CLK] button.
The faceplate is locked in place, allowing you to use the unit.
2 Enter clock adjustment mode
Press the [CLK] button for at least 2 seconds.
The clock display blinks.
3 Adjust the hours
Press the [FM] or [AM] button.
Adjust the minutes
Press the [4] or [¢] button.
4 Exit clock adjustment mode
Press the [CLK] button.
— 7 —
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Tuner features
Tuning Mode
Choose the tuning mode.
AUTO/
AME
Press the [AUTO] button.
Each time the button is pressed the Tuning mode switches as
FM/
CRSC
SRC
¢
4
shown below.
Tuning mode
Display
Operation
Auto seek
"AUTO"
indicator
Automatic search for a station.
Manual
—
Normal manual tuning control.
#1 - 6
AM
Tuning
Selecting the station.
1 Select tuner source
Press the [SRC] button.
Select the "TUnE" display.
Frequency display Preset station number
2 Select the band
STEREO indicator
AUTO indicator
Press the [FM] or [AM] button.
Each time the [FM] button is pressed it switches between the
FM1, FM2, and FM3 bands.
3 Tune up or down band
Press the [4] or [¢] button.
Band display
(CRSC) indicator
During reception of stereo stations the "STEREO" indicator is ON.
— 8 —
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2 Call up the station
Station Preset Memory
Putting the station in the memory.
Press the [#1] — [#6] button.
1 Select the band
Press the [FM] or [AM] button.
CRSC (Clean Reception System Circuit)
Temporarily have reception switched from stereo to mono to
reduce multi-path noise when listening to the FM station.
2 Select the frequency to put in the memory
Press the [4] or [¢] button.
3 Put the frequency in the memory
Press the [CRSC] button for at least 1 second.
Each time the button is pressed CRSC turns ON or OFF.
Press the [#1] — [#6] button for at least 2 seconds.
The preset number display blinks 1 time.
On each band, 1 station can be put in the memory on each [#1]
— [#6] button.
When it's ON, the "
"(CRSC) indicator is ON.
Auto Memory Entry
Putting stations with good reception in the memory
automatically.
1 Select the band for Auto Memory Entry
Press the [FM] or [AM] button.
2 Open Auto Memory Entry
Press the [AME] button for at least 2 seconds.
When 6 stations that can be received are put in the memory
Auto Memory Entry closes.
Preset Tuning
Calling up the stations in the memory.
1 Select the band
Press the [FM] or [AM] button.
— 9 —
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Cassette player features
Playing Cassette Tapes
When the Cassette Tape is inserted
Press the [SRC] button.
FF
SRC
REW
Select the "TAPE" display.
0
When you want to listen to the reverse side
Press the [REW] and [FF] button at the same time.
Eject the Cassette Tape
Press the [0] button.
Fast Forwarding and Rewinding
T.CALL
Fast Forwarding
Press the [FF] button.
If it's stopped press [REW] button.
Rewinding
Press the [REW] button.
If it's stopped press the [FF] button.
T.CALL indicator
Tape indicator
Tuner Call
Switching to the radio automatically during Fast Forwarding and
Rewinding.
Press the [T.CALL] button.
Each time the button is pressed the Tuner Call turns ON or OFF.
When it's ON, the "T.CALL" indicator is ON.
When you turn ON the Tuner Call function, the motorized antenna
will extend automatically.
— 10 —
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Accessories
2CAUTION
Number of items
External view
• 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 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 with the ignition,
connect the ignition wire to a power source that can be turned
on and off with the ignition key.
1
2
3
..........................................1
..........................................2
..........................................1
• If the fuse blows, first make sure that the wires have not caused
a short circuit, then replace the old fuse with one with the same
rating.
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.
• Insulate unconnected wires with vinyl tape or other similar
material. To prevent short circuits, also do not remove the caps
on the ends of the unconnected wires or the terminals.
• Connect the speaker wires correctly to the terminals to which
they correspond. The unit may receive damage or fail to work if
you share the - wires and/or ground them to any metal part in
the car.
• After the unit is installed, check whether the brake lamps,
indicators, wipers, etc. on the car are working properly.
• If the console has a lid, make sure to install the unit so that the
faceplate does not hit the lid when closing and opening.
Installation Procedure
1. To prevent short circuits, remove the key from the ignition and
disconnect the - terminal of the battery.
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.
— 11 —
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Connecting Wires to Terminals
Connector Function Guide
Pin Numbers for
ISO Connectors
Cable Color
Functions
Fuse (10A) 13
External Power
Connector
Antenna Conversion Adaptor (ISO–JASO)
(Accessory3) 2
Battery
Power Control
Ignition (ACC)
Earth (Ground)
Connection
Yellow
Blue/White
Red
A–4
A–5
A–7
A–8
Antenna Cord (ISO) 1
Black
FM/AM antenna
input 3
Speaker
Wiring harness
(Accessory1) 16
Connector
Rear Right (+)
Rear Right (–)
Front Right (+)
Front Right (–)
Front Left (+)
Front Left (–)
Rear Left (+)
Rear Left (–)
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
Do not let the wire come out
from the tab.
Green/Black
Not Used
TEL MUTE
Battery wire (Yellow) 6
If no connections are
made, do not let the wire
come out from the tab. 18
Ignition wire (Red) 7
Depending on what antenna you are using,
connect either to the control terminal of the
motor antenna, or to the power terminal for
the booster amplifier of the film-type
antenna.
A–7 Pin (Red) 8
ANT CONT
A–4 Pin (Yellow) 9
Motor antenna control wire (Blue)
8
7
6
5
4
3
2
1
Connector A
Connector B
8
7
6
5
4
3
2
1
— 12 —
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Connecting Wires to Terminals
Installation
2WARNING
■ Installation
Connecting the ISO Connector (see p.12)
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.
Please be sure to reconnect the cable as shown 2 below to
install this unit to the Volkswagen vehicles.
Screw (M4X8)
(commercially
available)
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.
Unit
Vehicle
Bend the tabs of the
mounting sleeve
Ignition cable (Red)
A–7 Pin (Red)
with a screwdriver or
similar utensil and
attach it in place.
Self-tapping
screw
(commercially
available)
Battery cable (Yellow)
A–4 Pin (Yellow)
Metal mounting
strap
(commercially
available)
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.
Unit
Vehicle
Ignition cable (Red)
A–7 Pin (Red)
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
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).
Unit
Vehicle
Ignition cable (Red)
A–7 Pin (Red)
Battery cable (Yellow)
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.
— 13 —
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Installation
■ Removing the hard rubber frame
■ Removing the Unit
1 Refer to the section “Removing the hard rubber frame” and then
1 Engage the catch pins on the removal tool and remove the two
locks on the lower level.
remove the hard rubber frame.
Lower the frame and pull it forward as shown in the figure.
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.
Catch
Lock
Accessory2 Removal tool
Screw (M4X8)
(commercially
available)
Accessory2 Removal tool
2 When the lower level is removed, remove the upper two
locations.
4 Lower the removal tool
toward the bottom, and pull
out the unit halfway while
pressing towards the inside.
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.
The frame can be removed from the top side in the same manner.
— 14 —
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Troubleshooting Guide
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.
? No sound can be heard, or the volume is low.
✔
The fader or balance settings are set all the way to one side.21
☞ Center the fader and balance settings.
✔
The input/output wires or wiring harness are connected incorrectly.22
☞ Reconnect the input/output wires or the wiring harness correctly.
See the section on <Connecting Wires to Terminals>.
General
✔
The cassette tape is bad.23
? The power does not turn ON.01
☞ Try playing another cassette tape. If works fine, the first tape was
✔
The fuse has blown.
bad.
☞ After checking for short circuits in the wires, replace the fuse with
one with the same rating.
? The sound quality is poor or distorted.25
✔
✔
✔
One of the speaker wires is being pinched by a screw in the car.
☞ Check the speaker wiring.
✔
No ACC position on vehicle ignition.02
☞ Connect the same cable to the ignition as the battery cable.
The tape head is dirty.26
☞ Clean the tape head.
? Nothing happens when the buttons are pressed.04
✔
The computer chip in the unit is not functioning normally.
The speakers are not wired correctly.27
☞ Press the reset button on the unit (page 4).
☞ Reconnect the speaker wires so that each output terminal is
connected to a different speaker.
? There’s a source you can’t switch.05
✔
There’s no tape inserted.
☞ Set the media you want to listen to. If there’s no media in this
unit, you can't switch to each source.
Tuner source
? Radio reception is poor.39
? The faceplate does not open or close.09
✔
✔
The car antenna is not extended.
✔
The faceplate is incorrectly attached.
☞ Pull the antenna out all the way.
☞ Reattach the faceplate correctly, See the section on <Removing
the Faceplate>(page 7).
The antenna control wire is not connected.40
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
? The memory is erased when the ignition is turned OFF.10
✔
The battery wire has not been connected to the proper terminal.
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
The messages shown below display your systems
condition.
✔
The ignition and battery wire are incorrectly connected.11
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
E-77:
The unit is malfunctioning for some reason.E77
➪ Press the reset button on the unit. If the "E-77"
code does not disappear, consult your nearest
service center.
? Even if Loudness is turned ON, high-pitched tone isn't compensated
for. 17
✔
Tuner source is selected.
2 3 (Blink): The tape player section is not operating properly.E60
➪ Reinsert the Tape. If the tape cannot be ejected or
the display continues to flash even when the tape
has been properly reinserted, please switch off the
power and consult your nearest service center.
☞ High-pitched tone isn't compensated for when in Tuner source.
— 15 —
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Specifications
Specifications subject to change without notice.
FM tuner section
Audio section
Frequency range (50 kHz Space)..............87.5 MHz – 108.0 MHz
Usable sensitivity (S/N = 30dB) ....................9.3dBf (0,8 µV/75 Ω)
Quieting Sensitivity (S/N = 50dB) ...............15.2dBf (1.6 µV/75 Ω)
Frequency response ( 3.0 dB)..............................30 Hz – 15 kHz
Signal to Noise ratio (MONO)..............................................70 dB
Selectivity ( 400 kHz)...................................................... ≥ 80 dB
Stereo separation (1 kHz) ....................................................40 dB
Maximum output power.................................................40 W x 4
Output power (DIN 45324, +B=14.4V)...........................26 W x 4
Tone action
Bass : ...............................................................100 Hz 10 dB
Treble : .............................................................10 kHz 10 dB
General
Operating voltage (11 – 16V allowable) ..............................14.4 V
Current consumption.............................................................10 A
Installation Size (W x H x D) ..........................182 x 53 x 158 mm
Weight ................................................................................1.3 kg
AM tuner section
Frequency range (9 kHz Space).....................531 kHz – 1611 kHz
Usable sensitivity (S/N = 20dB) .............................28 dBµ (25 µV)
Cassette player section
Tape Speed...............................................................4.76 cm/sec.
Wow & Flutter (WRMS) ....................................................0.12 %
Frequency response ( 3.0 dB).................30 Hz – 14 kHz (120 µs)
Separation ...............................................................40 dB (1 kHz)
Signal to Noise ratio .............................................................52dB
— 16 —
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