Kenwood KRC 108S User Manual

CASSETTE RECEIVER  
KRC-108S  
INSTRUCTION MANUAL  
AMPLI-TUNER-LECTEUR DE CASSETTE  
MODE D’EMPLOI  
RADIO CASETE  
MANUAL DE INSTRUCCIONES  
RADIO CASSETE  
MANUAL DE INSTRUÇÕES  
Take the time to read through this instruction manual.  
Familiarity with installation and operation procedures will help you obtain the best  
performance from your new cassette-receiver.  
For your records  
Record the serial number, found on the back of the unit, in the spaces designated on the  
warranty card, and in the space provided below. Refer to the model and serial numbers  
whenever you call upon your KENWOOD dealer for information or service on the product.  
Model KRC-108S Serial number  
© B64-1540-00 (KW)  
Safety precautions  
2WARNING  
2CAUTION  
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.  
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.  
• When extending the ignition, battery, or  
ground wires, make sure to use automotive-  
2
grade wires or other wires with a 0.75mm  
(AWG18) or more to prevent 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.  
• 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.  
• Be careful not to drop the unit or subject it to  
strong shock.  
• To prevent a short circuit when replacing a  
fuse, first disconnect the wiring harness.  
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.  
• Do not use your own screws. Use only the  
screws provided. If you use the wrong  
screws, you could damage the unit.  
If the liquid crystal fluid from the LCD  
contacts your body or clothing, wash it off  
with soap immediately.  
— 3 —  
Safety precautions  
Cleaning the Unit  
Cleaning the Tape Head  
NOTE  
If the front panel gets dirty, turn off the  
power and wipe the panel with a dry silicon  
cloth or soft cloth.  
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.  
• 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.  
2CAUTION  
Do not wipe the panel with a hard 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.  
Handling Cassette Tapes  
KRC-108S  
• 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.  
Reset button  
• Characters in the LCD may become difficult  
to read in temperatures below 41 ˚F (5 ˚C).  
FCC WARNING  
This equipment may generate or use radio  
frequency energy. Changes or modifications  
to this equipment may cause harmful  
interference unless the modifications are  
expressly approved in the instruction manual.  
The user could lose the authority to operate  
this equipment if an unauthorized change or  
modification is made.  
• 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.  
• 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 —  
General features  
Power  
SRC /  
PWR OFF  
u
Turning on the power:  
4
CLK  
ATT/LOUD  
¢
Press the SRC (source) button.  
NOTE  
Turn the power on before carrying out the following procedures.  
Turning off the power:  
KRC-108S  
Press the PWR OFF button for at least one second.  
Switching Modes  
#1~5  
d
AUD  
BAND  
Switching Modes:  
Each time you press the SRC (source) button, the mode  
switches as follows:  
M
Tuner mode  
M
Tape mode  
M
Standby mode  
Selecting standby mode:  
Press the SRC button repeatedly and switch to "OFF"  
When "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.  
ATT indicator  
LOUD indicator  
— 5 —  
General features  
Volume  
1
2
Press the AUD button for at least one second to enter the  
control mode.  
Increasing Volume:  
Selecting mode  
Press the u button to turn up the volume.  
Press either the BAND button.  
Decreasing Volume:  
Each time the button is pressed, the adjustment mode will  
Press the d button to turn down the volume.  
change.  
Please refer to the following for the contents of the adjustment  
modes.  
NOTE  
Source tone memory  
Attenuator  
Each source ( tape, FM and AM ) has its own memory in which to  
store the bass and treble tone settings.  
This function allows you to turn down the volume quickly.  
The settings made for a particular source are recalled  
automatically whenever you use that source ( for example, FM  
mode uses the tone settings made for FM, AM for AM, etc.).  
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.  
3
Adjust each mode  
Press the 4/¢ button.  
Please refer to the following for the adjusting values.  
NOTE  
4
Press the AUD button to end the control mode.  
Turning the volume up, or turning it all the way down deactivates  
the attenuator function.  
"BAS": Adjust the bass level.  
Loudness  
Setting values: - 8 - + 8  
This function amplifies low and high tones when the volume is  
turned down.  
The LOUD indicator lights up when the loudness function is on.  
Turning Loudness On/Off:  
"TRE": Adjust the treble level.  
Press the LOUD button for at least one second to switch the  
loudness on and off.  
Setting values: - 8 - + 8  
"BL": Adjust the balance level.  
Audio Control Setting  
Adjust various parameters of sound quality.  
Setting values: Left 15 - Right 15  
6 —  
Adjusting Time  
Adjust the time.  
"FD": Adjust the fader level.  
Setting values: Front 15 - Rear 15  
1
2
3
When the time is not displayed, first press the CLK button to  
display the time.  
Press the CLK button for at least two seconds to enter the  
clock adjustment mode. The time display will blink.  
ec4/dB (Sound Coordinate)  
You can recall the best audio setting preset for different types  
of the music.  
Adjusting the hours  
Press the BAND button to advance the hours.  
Adjusting the minutes  
Press the ¢ button to advance the minutes, or press the  
4 button to make the minutes go back.  
1
2
Press the AUD button to enter the Sound Coordinate mode.  
Press a preset button (#1-5).  
The preset settings of the bass and treble tones are recalled.  
4
Press the CLK button to end the clock adjustment mode.  
#1: Flat  
#2: Rock  
#3: Pops/Top 40  
#4: Jazz  
#5: Easy  
3
Press the AUD button to end the sound coordinate mode.  
NOTE  
You can call the following settings with this function; bass center  
frequency, bass level, bass quality factor, bass extension, treble  
center frequency, and treble level setting.  
Clock display  
Turning clock display On/Off:  
Each time you press the CLK button, the display switches  
between the clock and each mode display.  
7 —  
Tuner features  
Tuning  
SRC /  
PWR OFF  
You can choose between auto seek tuning of receivable  
frequencies and manual tuning.  
BAND /  
CRSC  
4
¢
1
2
3
Press the SRC (source) button repeatedly to select the tuner  
mode."TUuE" is displayed when the tuner mode has been  
selected.  
KRC-108S  
Press the BAND button to select the band.  
Each time you press the BAND button, the band switches  
between FM1, FM2, FM3, and AM.  
Press the AUTO button to switch between auto seek tuning  
and manual tuning.  
The AUTO indicator lights up only when auto seek tuning is  
selected.  
AUTO / AME  
#1~6  
4
Auto Seek Tuning  
Press the ¢ button to seek higher frequencies.  
Press the 4 button to seek lower 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 STEREO indicator lights up when stereo broadcasts are being  
received.  
Band display  
Frequency  
Preset station number  
Station Preset Memory  
Store the frequency of a station. You can then recall that  
station with a single touch of a button.  
1
2
Select the band/ station that you want to have stored.  
indicator  
AUTO indicator  
Press the button (#1-6) that you want to use for the station, for  
at least two seconds.  
The button number blinks once in the display to indicate that  
the data has been stored.  
STEREO indicator  
Recalling a Preset Station:  
Press the preset station button (#1-6) for the desired station.  
8 —  
The number of the recalled station is displayed.  
NOTE  
unstable sound quality when CRSC is turned on. In such a  
situation, turn it off.  
You can store six stations in each of the FM1, FM2, FM3, and AM  
bands.  
Auto Memory Entry  
You can automatically store all the receivable frequencies in  
the band currently being listened to, and then recall them with  
the touch of a button later. This function is especially useful  
when you are travelling and do not know what stations are  
available. Up to six frequencies can be stored this way.  
1
2
Select the band for auto memory entry.  
Press the AME button for at least two seconds to start auto  
memory entry.  
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.  
Recalling a Preset Station:  
Press the preset station button (#1-6) for the desired station.  
The number of the recalled station is displayed.  
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.  
The  
indicator lights up when CRSC is on.  
NOTE  
Strong electrical fields (such as from power lines) may cause  
9 —  
Cassette player features  
Playing Cassette Tapes  
SRC /  
PWR OFF  
Loading and Playing Cassettes:  
0
REW FF  
Load a cassette with the tape exposed on the right.  
The tape starts playing automatically.  
With side A facing up, the 3 indicator lights up when side A is  
playing, and 2 when side B is playing.  
The 2 3 indicator lights up while play is paused.  
KRC-108S  
Playing Cassettes Already Loaded:  
Press the SRC (source) button repeatedly to select the tape  
mode. "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.  
T.CALL  
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  
while. If you leave it in the unit too long, the tape may stick to the  
tape head and cause unit malfunction.  
Fast Forwarding and Rewinding Cassette Tapes  
Fast Forwarding Tapes:  
Press the FF button.  
The tape indicator blinks in the direction of the tape as it is  
being fast forwarded.  
If the REW button is pressed, normal tape play will begin.  
Rewinding Tapes:  
T.CALL indicator  
Press the REW button.  
Tape indicator  
The tape indicator blinks in the direction of the tape as it is  
being rewound.  
If the FF button is pressed, normal tape play will begin.  
10 —  
Tuner Call  
Switch automatically to the tuner while you are rewinding or  
fast forwarding the tape.  
Turning Tuner Call On/Off:  
Press the T.CALL button to switch tuner call on and off.  
The T.CALL indicator lights up when tuner call is turned on.  
11 —  
Accessories  
Installation Procedure  
1. To prevent a short circuit, remove the key from the ignition and  
External view  
Number of items  
disconnect the - battery.  
2. Make the proper input and output wire connections for each unit.  
3. Connect the speaker wires of the wiring harness.  
1
..........................................1  
4. Connect the wiring harness wires in the following order: ground,  
battery, ignition.  
2
3
..........................................1  
..........................................2  
..........................................1  
..........................................4  
..........................................4  
5. Connect the wiring harness connector to the unit.  
6. Install the unit in your car.  
7. Reconnect the - battery.  
8. Press the reset button.  
2CAUTION  
If your car's ignition does not have an ACC position, connect  
the ignition wires to a power source that can be turned on and  
off with the ignition key. If you connect the ignition wire to a  
power source with a constant voltage supply, as with battery  
wires, the battery may die.  
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 arent touching to  
cause a short circuit, then replace the old fuse with one with  
the same rating.  
4
5
6
Do not let unconnected wires or terminals touch metal on the  
car or anything else conducting electricity. To prevent a short  
circuit, 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 be damaged or fail to work if you  
share the - wires or ground them to any metal part in the car.  
After the unit is installed, check whether the brake lamps,  
blinkers, wipers, etc. on the car are working properly.  
Insulate unconnected wires with vinyl tape or other similar  
material.  
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.  
12 —  
Connecting Wires to Terminals  
Fuse (10A)  
FM/AM antenna input  
If no connections are made, do not let the wire come out from the tab.  
Connect either to the power control terminal  
Wiring harness  
(Accessory1)  
White/Black  
To front left  
speaker  
when using the optional power amplifier, or to  
P.CONT.OUT  
FRONT L  
Power control/Motor antenna  
control wire (Blue/White)  
the antenna control terminal in the vehicle.  
White  
ANT.  
CONT.  
Gray/Black  
To front right  
speaker  
FRONT R  
Gray  
Green/Black  
To rear left  
speaker  
REAR L  
Green  
Ignition key  
switch  
Purple/Black  
To rear right  
speaker  
ACC  
REAR R  
Ignition wire (Red)  
Purple  
Battery wire (Yellow)  
Car fuse box  
(Main fuse)  
Car fuse  
box  
Ground wire (Black) · (To car chassis)  
+
2CAUTION  
Battery  
When only two speakers are being connected to the system,  
connect the connectors either to both the front output  
terminals or to both the rear output terminals (do not mix  
front and rear). For example, if you connect the + connector  
of the left speaker to a front output terminal, do not connect  
the - connector to a rear output terminal.  
2WARNING  
If you connect the ignition wire (red) and the battery wire  
(yellow) to the car chassis (ground), you may cause a short  
circuit, that in turn may start a fire. Always connect those wires  
to the power source running through the fuse box.  
13 —  
Installation  
I
I
Installing in Japanese-Made Cars  
Installation  
1
Refer to the section Removing the hard rubber frame (P. 15)”  
and then remove the hard rubber frame.  
Firewall or metal support  
2
Align the holes in the unit (two locations on each side) with the  
vehicle mounting bracket and secure the unit with the  
accessory screws.  
Accessory4  
N
T
8 mm  
8mm  
MAX.  
MAX.  
N
T/N  
5
T
6
ø5mm  
ø5mm  
Bend the tabs of the  
mounting sleeve with  
a screwdriver or  
similar utensil and  
attach it in place.  
T: Toyota cars  
N: Nissan cars  
Accessory5...for Nissan car  
Accessory6 ...for Toyota car  
Self-tapping  
screw  
(commerciall  
y available)  
Accessory2  
Metal mounting  
strap  
2CAUTION  
During installation, do not use any screws except for those  
provided. The use of different screws might result in damage to  
the main unit.  
Damage may occur if a screwdriver or similar tool is used with  
excessive force during the installations.  
NOTE  
Make sure that the unit is installed securely in place. If the unit is  
unstable, it may malfunction (for example, the sound may skip).  
14 —  
I
I
Removing the hard rubber frame  
Removing the Unit  
1
Refer to the section Removing the hard rubber frameand  
1
Engage the catch pins on the removal tool and remove the two  
locks on the lower level.  
then remove the hard rubber frame.  
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  
Accessory4  
Catch facing up  
Accessory3  
Removal tool  
2
When the lower level is removed, remove the upper two  
locations.  
Accessory3  
Removal tool  
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  
The frame can be removed from the top side in the same  
manner.  
5
Pull the unit all the way out  
with your hands, being  
careful not to drop it.  
15 —  
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.  
PROBLEM  
POSSIBLE CAUSE  
SOLUTION  
The power does not turn on.  
The fuse has blown.  
After checking for short circuits in the wires, replace the  
fuse with one with the same rating.  
No sound can be heard, or the  
volume is low.  
Attenuator is turned on.  
Turn off Attenuator.  
The fader or balance settings are set all the way to one  
side.  
Reset the fader or balance settings.  
The input/output wires or wiring harness are connected  
incorrectly.  
Reconnect the input/output wires or the wiring harness  
correctly. See the section on "Connecting Wires to  
Terminals".  
The cassette tape is bad.  
Try playing another cassette tape. If works fine, the first  
tape was bad.  
Tape has been inserted but  
there is no sound/the unit will  
not go into tape mode  
The tape has not been inserted correctly in the unit.  
Re-insert the tape.  
Nothing happens when the  
buttons 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 p. 4).  
Clean the tape head, referring to the section on "Cleaning  
the tape head" (see p. 4).  
The sound quality is poor or  
distorted.  
One of the speaker wires is being pinched by a screw in  
the car.  
Check the speaker wiring.  
The speakers are not wired correctly.  
Reconnect the speaker wires so that each output  
terminal is connected to a different speaker.  
Radio reception is poor.  
The car antenna is not extended.  
Pull the antenna out all the way.  
The antenna control wire is not connected.  
Connect the wire correctly, referring to the section on  
"Connecting Wires to Terminals".  
The memory is erased when  
the ignition is turned off.  
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 ignition and battery wire are incorrectly connected.  
Connect the wire correctly, referring to the section on  
"Connecting Wires to Terminals".  
16 —  
Specifications  
Specifications subject to change without notice.  
FM tuner section  
Audio section  
Frequency Range (200 kHz Space) .............87.9 MHz -107.9 MHz  
Usable Sensitivity (S/N: 30dB)......................9.3 dBf (0.8 µV/75 )  
Quieting Sensitivity (S/N: 50dB) .................15.2 dBf (1.6 µV/75 )  
Frequency Response ( 3.0dB).................................30 Hz-15 kHz  
Signal to Noise ratio .............................................70 dB (MONO)  
Selectivity.......................................................80 dB ( 400 kHz)  
Stereo Separation ....................................................35 dB (1 kHz)  
Maximum output power .................................................40 W x 4  
Full Bandwidth Power (at less than 1% THD) .................20 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 155 mm  
....................................................7-3/16 x 2-1/16 x 6-1/8 in.  
Weight...................................................................3.1 lbs (1.4 kg)  
AM tuner section  
Frequency Range (10 kHz space).....................530 kHz -1700 kHz  
Usable Sensitivity (S/N: 20 dB) ..............................28 dBµ (25 µV)  
Cassette player section  
Tape Speed ..............................................................4.76 cm/sec.  
Wow & Flutter.....................................................0.12 % (WRMS)  
Frequency response ( 3 dB) ...................................30 Hz -14 kHz  
Separation ...............................................................40 dB (1 kHz)  
Signal to Noise ratio ............................................................52 dB  
17 —  

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