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KS-F150
KS-FX12
Safety precaution ------------------------------------- 1-2
Instructions --------------------------------------------- 1-3 - 12
Disassembly method --------------------------------- 2-1
Adjustment method ----------------------------------- 2-8
Description of major ICs ----------------------------- 2-12
Block diagram ----------------------------------------- 2-18
Standard schematic diagrams --------------------- 2-19
Printed circuit boards -------------------------------- 2-22 - 24
Parts list ------------------------------------------------ 3-1 - 13
Contents
CASSETTE RECEIVER
SERVICE MANUAL
KS-FX12
KS-FX12WT
KS-F150
No.49522
Nov. 1999
COPYRIGHT
1999 VICTOR COMPANY OF JAPAN, LTD.
Area Suffix
[KS-F150]
J ...... Northern America
Area Suffix
[KS-FX12WT]
J ...... Northern America
Area Suffix
[KS-FX12]
J ...... Northern America
E ... Continental Europe
SYSTEM CPU
LC72362N
HEAD AMP
UPC1228HA
PLAYBACK HEAD
1-0036-7016S


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1-2
KS-F150
KS-FX12
! CAUTION Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Safety Precaution
Model
Features
KS-F150
J
KS-FX12/FX12WT
J
KS-FX12
E
Changer Control
Line Rear Output
Feature Check List


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1-3
KS-F150
KS-FX12
Instructions
2
ENGLISH
Thank you for purchasing a JVC product. Please read all instructions carefully before operation, to
ensure your complete understanding and to obtain the best possible performance from the unit.
CONTENTS
BASIC OPERATIONS .................................................... 3
RADIO OPERATIONS ................................................... 4
Listening to the radio ..................................................................... 4
Storing stations in memory ............................................................ 5
FM station automatic preset: SSM ............................................... 5
Manual preset .............................................................................. 6
Tuning into a preset station ........................................................... 7
Other convenient tuner functions ................................................. 8
Scanning broadcast stations ....................................................... 8
Selecting FM reception sound ..................................................... 8
Changing the AM/FM channel intervals ....................................... 8
TAPE OPERATIONS ..................................................... 9
Listening to a tape .......................................................................... 9
SOUND ADJUSTMENTS ............................................. 10
Turning on/off the loudness function .......................................... 10
Selecting preset sound modes ...................................................... 10
Adjusting the sound ...................................................................... 11
Storing your own sound adjustments ......................................... 12
OTHER MAIN FUNCTIONS ......................................... 13
Setting the clock ............................................................................ 13
Detaching the control panel ......................................................... 14
CD CHANGER OPERATIONS ...................................... 15
Playing CDs ................................................................................... 15
Selecting CD playback modes ..................................................... 17
MAINTENANCE ........................................................ 18
To extend the lifetime of the unit ................................................. 18
How to reset your unit .................................................................. 18
TROUBLESHOOTING ................................................. 19
SPECIFICATIONS ....................................................... 20
BEFORE USE
* For safety....
· Do not raise the volume level too much, as this
will block outside sounds, making driving
dangerous.
· Stop the car before performing any complicated
operations.
* Temperature inside the car....
If you have parked the car for a long time in hot
or cold weather, wait until the temperature in the
car becomes normal before operating the unit.
CASSETTE RECEIVER
KS-FX12/KS-FX12WT
ENGLISH
ESP
AÑOL
RECEPTOR-REPRODUCTOR DE
CASSETTE
KS-FX12/KS-FX12WT
RADIOCASSETTE
KS-FX12/KS-FX12WT
INSTRUCTIONS
MANUAL DE INSTRUCCIONES
MANUEL D'INSTRUCTIONS
For customer Use:
Enter below the Model No. and
Serial No. which are located on
the top or bottom of the cabinet.
Retain this information for future
reference.
Model No.
Serial No.
FSUN3098-631
[J]
For installation and connections, refer to the separate manual.
Para la instalación y las conexiones, refiérase al manual separado.
Pour l'installation et les raccordements, se référer au manuel séparé.
FRANÇAIS
1099HISFLEJES
J
VC
EN, SP, FR
VICTOR COMPANY OF JAPAN, LIMITED
Having TROUBLE with operation?
Please reset your unit
Refer to page of How to reset
Still having trouble??
USA ONLY
Call 1-800-252-5722
http://www.jvc s e rvic e .c o m
We can help you!


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1-4
KS-F150
KS-FX12
4
ENGLISH
1
Turn on the power.
2
Select the band (FM1, FM2, FM3
or AM).
You can select any one of FM1, FM2, and
FM3 to listen to an FM station.
3
Start searching a station.
When a station is received, searching stops.
To stop searching before a station is received, press the same button you have pressed
for searching.
To tune in a particular frequency manually:
1 Press FM or AM to select the band.
2 Press and hold
T or S
until "M" starts flashing on the display.
Now you can manually change the frequency while "M" is flashing.
3 Press
T or S
repeatedly until the frequency you want is reached.
· If you hold down the button, the frequency keeps changing until you release the button.
RADIO OPERATIONS
Listening to the radio
To search stations
of lower
frequencies.
To search stations
of higher
frequencies.
Note on One-Touch Operation:
When you select a band in step 2 below, the power automatically comes on. You
do not have to press this button to turn on the power.
Note:
When a cassette is in the cassette compartment, you cannot select the tuner. Be sure
to eject the cassette from the cassette compartment to listen to the radio.
1
2
3
/I/ATT
FM1
FM2
FM3
A M
F M
AM
5
ENGLISH
Storing stations in memory
You can use one of the following two methods to store broadcasting stations in memory.
· Automatic preset of FM stations: SSM (Strong-station Sequential Memory)
· Manual preset of both FM and AM stations.
FM station automatic preset: SSM
You can preset 6 local FM stations in each FM band (FM1, FM2 and FM3).
1
Select the FM band number (FM1, FM2 or
FM3) you want to store FM stations into.
2
Press and hold the button for more than 2
seconds.
Local FM stations with the strongest signals are searched and stored automatically in the
band number you have selected (FM1, FM2 or FM3). These stations are preset in the number
buttons -- No. 1 (lowest frequency) to No. 6 (highest frequency).
When automatic preset is over, the station stored in number button 1 will be automatically
tuned in.
"SSM" appears, then disappears when automatic
preset is over.
F M
FM1
FM2
FM3
1
2
6
ENGLISH
Manual preset
You can preset up to 6 stations in each band (FM1, FM2, FM3 and AM) manually.
Example: Storing an FM station of 88.3 MHz into the preset number 1 of the FM1 band.
1
Select the FM1 band.
2
Tune into a station of 88.3 MHz.
See page 4 to tune into a station.
3
Press and hold the button for more than 2
seconds.
4
Repeat the above procedure to store other stations into other
preset numbers.
Notes:
· A previously preset station is erased when a new station is stored in the same preset number.
· Preset stations are erased when the power supply to the memory circuit is interrupted (for example,
during battery replacement). If this occurs, preset the stations again.
Preset number "1" flashes for a while.
1
23
F M
7
ENGLISH
1
Select the band (FM1, FM2, FM3 or AM) you
want.
2
Select the number (1 ­ 6) for the preset station
you want.
Tuning into a preset station
You can easily tune into a preset station.
Remember that you must store stations first. If you have not stored them yet, see page 5 or 6.
2
1
FM1
FM2
FM3
A M
F M
AM


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1-5
KS-F150
KS-FX12
8
ENGLISH
Scanning broadcast stations
When you press RPT/SCAN while listening to the radio, station scanning starts. Each time a
broadcast is tuned in, scanning stops for about 5 seconds (tuned frequency number flashes
on the display), and you can check what program is now being broadcast.
If you want to listen to that program, press the same button again to stop scanning.
Selecting FM reception sound
When an FM stereo broadcast is hard to receive:
Press MO/RND while listening to an FM stereo broadcast. The sound you hear becomes
monaural but reception will be improved.
To restore the stereo effect, press the same button again.
Changing the AM/FM channel intervals
When using this unit in an area other than North or South America:
When this unit is shipped from the factory, the channel intervals are set to 10 kHz for AM and
200 kHz for FM. You can change the channel intervals by following the procedure below.
1 Press SEL (select) for more than 2 seconds.
"CLOCK H," "CLOCK M" or "AREA" appears on the display.
2 If "AREA" does not appear, press
T or S
until it appears.
3 Press +.
"AREA EU" appears and the channel intervals are set to 9 kHz for AM and 50 kHz (for
manual tuning) / 100 kHz (for searching) for FM.
To reset to the factory setting, follow the above step 1 and 2, then press ­ in step 3 ("AREA
US" appears on the display.)
AREA EU: Select this when used in an area other than North and South America.
AREA US: Select this when used in North or South America.
Other convenient tuner functions
SEL
MO/RND
RPT/SCAN
Lights when receiving an FM broadcast in stereo
+/­
T
S
\
9
ENGLISH
TAPE OPERATIONS
Listening to a tape
1
Turn on the power.
2
Insert a cassette.
When one side of the tape reaches its end during play, the
other side of the tape automatically starts playing. (Auto
Reverse)
3
Select the tape direction.
· Press the both buttons at the same time.
Each time you press the button, the tape direction changes
alternatively ­ forward (
) and reverse (
).
To stop play and eject the cassette
Press
0.
Tape play stops and the cassette ejects from the cassette compartment.
You can hear the last received station.
· You can also eject the cassette with the unit turnd off.
To fast-wind a tape
Press either
¡ or 1.
The tape will be wound in the direction of the arrows
(
¡ or 1).
To restart playback, press
¡ or 1 lightly.
PROG
1
2
3
/I/ATT
Tape direction
10
ENGLISH
SOUND ADJUSTMENTS
Turning on/off the loudness function
The human ear is less sensitive to low and high frequencies at low volumes.
The loudness function can boost these frequencies to produce a well-balanced sound at low
volume levels.
Each time you press LOUD, the loudness function turns on/off alternatively.
Selecting preset sound modes
You can select a preset sound adjustment suitable to the music genre.
Each time you press SOUND, the sound mode changes as follows.
Indication
For:
Preset values
Bass
Treble
Loudness
SCM OFF
(Flat sound)
00
00
On
BEAT
Rock or disco music
+2
00
On
POP
Light music
+4
+1
Off
SOFT
Quiet background music
+1
­3
Off
Notes:
· You can adjust the preset sound mode to your preference, and store it in memory.
If you want to adjust and store your original sound mode, see "Storing your own sound adjustments"
on page 12.
· To adjust only the bass and treble reinforcement levels to your preference, see "Adjusting the sound"
on page 11.
· When one of the sound modes is selected, it is shown on the display as follows:
For example, when "POP" is selected.
LOUD
|\
SOUND
11
ENGLISH
Adjusting the sound
You can adjust the treble/bass sound and the speaker balance.
1
Select the item you want to adjust.
Indication
To do:
Range
BAS
Adjust the bass
­6 (min.) -- +6 (max.)
(bass)
TRE
Adjust the treble
­6 (min.) -- +6 (max.)
(treble)
FAD
Adjust the front and rear speaker
R6 (rear only) -- F6 (front only)
(Fader)*
balance
BAL
Adjust the left and right speaker
L6 (left only) -- R6 (right only)
(Balance)
balance
VOL
Adjust the volume
00 (min.) -- 50 (max.)
(Volume)
Note:
* If you are using a two-speaker system, set the fader level to "00".
2
Adjust the level.
Note:
Normally the + and ­ buttons work as the volume control buttons.
So you do not have to select "VOL" to adjust the volume level.
2
1