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2-18

KS-F150
KS-FX12

Block Diagram

HEAD

IC901

HEAD AMPLIFIER

UPC1228HA

IC981

PO

WER AMP

.

HA13158A

IC751

CD CHANGER

HD74HC126P

IC931

E.V

O

LUME

TEA6320T

IC701

SYSTEM CONTR

OL MICON

LC72362N-9595

TU1

AM/FM TUNER 

P

A

CK

QA

U0120-002

LCD1

QLD0335-001

IC651

LCD DRIVER

LC75823W

KEY

S601 - S620

MAIN

MOTO

R

MUTE SWITCH

T APE /RADIO SW

SEEK/ST

OP

,

MONO

.SD/ST

,

S METER,

FM OSC

, EO

, BAND

TUNER L

T

APE IN

PR

OG

B

US SI

B

US SO

B

US SCK

B

US I/O

OUT L F

ront

Lch F

ront

Lch Rear

Lch Rear OUT

SD

A

SCL

CN901

CP721

CN721

CP751

KEY 0 - 2

CJ701

LCDD

A

LCDCK

LCDCE

F/R

S8 - S52

COM1 - COM3

CP701

T

APE L

LCH

F/R

LCH

CP901

CJ901

J1

FM

T

O

 SPEAKER

CONNECT

OR

T

O

 LINE REAR OUT

 (KS-FX150/FX12E ONL

Y)

T

u

ner

.P

o

w

er AMP

.Changer/System Controller

LCD DRIVER/KEY SWITCH CIRCUT

HEAD AMPLIFIER CIRCUIT

CJ921

CP722

DIRECTION BO

ARD

RELA

Y

BO

ARD

AM

CP981

SI/SO

SCK

T

O

 CD CHANGER 

 (KS-FX12)

CD Lch

2

16

1

16

15

4

3

1

3

7

13

PR

OG-SW

3

1

ANT

Summary of Contents for KS-F150

Page 1: ...9 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 ...

Page 2: ...g 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 ...

Page 3: ... 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 FX...

Page 4: ... 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 frequen...

Page 5: ... 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...

Page 6: ...nel 1 Insert the left side of the control panel into the groove on the panel holder 2 Press the right side of the control panel to fix it to the panel holder Detaching the control panel You can detach the control panel when leaving the car When detaching or attaching the control panel be careful not to damage the connectors on the back of the control panel and on the panel holder Note on cleaning ...

Page 7: ...t play dirty or dusty tapes Do not touch the highly polished head with any metallic or magnetic tools To keep the tape clean Always store the tapes to their storage cases after use Do not store tapes in the following places Subject to direct sunlight With high humidity At extremely hot temperatures CAUTIONS Do not play the tapes with peeling labels otherwise they can damage the unit Tighten tapes ...

Page 8: ...h channel interval set to 9 kHz FM Tuner Usable Sensitivity 11 3 dBf 1 0 µV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 to 15 000 Hz Stereo Separation 35 dB Capture Ratio 2 0 dB AM Tuner Sensitivity 20 µV Selectivity 35 dB CASSETTE DECK SECTION Wow Flutter 0 15 WRMS Fast Wind Time 190 sec C 60 Frequency Response 50 to 14 00...

Page 9: ...Deslice la unidad dentro de la cubierta hasta que quede trabada 8 Coloque la placa de guarnición 9 Coloque el panel de control 1 Avant le montage Appuyer sur touche de libération du panneau de commande pour détacher le panneau de commande 2 Retirer la plaque d assemblage 3 Libérer les verrous du manchon et retirer le manchon 1 Poser l appareil à la verticale Remarque Lorsque vous mettez l appareil...

Page 10: ...its place En un Toyota por ejemplo primero extraiga la radio del automóvil y luego instale la unidad en su lugar Par exemple dans une Toyota retirer d abord l autoradio et installer l appareil à la place When using the optional stay Cuando emplea un soporte opcional Lors de l utilisation du hauban en option Dashboard Tablero de instrumentos Tableau de bord Fire wall Tabique a prueba de incendios C...

Page 11: ... typiques Before connecting Check the wiring in the vehicle carefully Incorrect connection may cause serious damage to this unit 1 Connect the colored leads of the power cord to the car battery speakers and automatic antenna if any in the following sequence 1 Black ground 2 Yellow to car battery constant 12V 3 Red to an accessory terminal 4 Others except blue with white stripe to speakers 5 Blue w...

Page 12: ...able de alimentación a la batería de automóvil pues podrían producirs e graves daños en la unidad Conecte correctamente el conductor negro a tierra el conductor amarillo a la batería del automóvil 12V constantes y el conductor rojo a un terminal de accesorio ANTES de conectar a los altavoces los conductores de altavoz del cable de alimentación verifique el conexionado de altavoz de su automóvil Si...

Page 13: ...ge the four tabs a in the right and left sides of unit and pull the front chassis forward to remove it Removing the Bottom Cover See Fig 2 to 4 1 Removing the front chassis 2 Turn the unit up side down 3 Insert the six engagements b c d e f to the screwdriver 4 Turn the screwdriver and remove the bottom cover Fig 1 Push the release button Front panel unit a a Fig 2 Top chassis Front chassis Bottom...

Page 14: ...emoving the front chassis 2 Removing the bottom cover 3 Removing the heat sink Attach the heat sink with a screw 1 on operat ing checks 4 Remove the two screws 2 retaining the main board assembly 5 Remove the two screws 3 retaining the rear panel 6 Separate the main board assembly and cassette mechanism assembly 7 Take out the main board assembly Heat sink Fig 5 1 1 1 Main board assembly Fig 6 2 2...

Page 15: ...sette mechanism Front side Top chassis Fig 8 4 4 4 4 Removing the Operation Switch board See Fig 9 to 11 1 Detaching the front panel unit 2 Turn the front panel back side down 3 Remove the four screws 5 retaining the front cover 4 Open the front cover gradually by disengaging the three engagements g while pushing the top of the front cover in the arrow A direction then disengage the three engageme...

Page 16: ...fier board from connector wire out going to the head relay board Removing the Chassis Assembly See Fig 13 and 14 1 Removing the front chassis 2 Removing the bottom cover 3 Removing the heat sink 4 Removing the main board assembly 5 Removing the cassette mechanism 6 Removing the head amplifier board 7 Turn the left side to cassette mechanism 8 Remove the screw 7 retaining the relay board 9 Shift th...

Page 17: ...eplace or adjusting head 2 The main belt can be replaced directly 3 To change the sub belt remove the three screws 7 and loosen one screw 8 Then raise the belt side of the reel base assembly slightly Fig 3 To see Fig 5 Cassette hanger Center plate Return link EJECT lever Chassis Claw Claw a a b b b Removing the Cassette Hanger See Fig 1 and 5 1 From the rear of the unit bend the cassette hanger an...

Page 18: ...e the return link 2 Install the cassette hanger on the chassis Note While pressing the EJECT lever assemble in the order shown below Removing the FF REW lever assembly See Fig 6 1 From the rear of unit remove the FF REW lever assembly retaining the one screw 1 2 From the upper part of the FF REW lever assem bly remove the FF REW lever assembly retaining the one screw 2 3 From the front of unit rem...

Page 19: ...nch roller R assemblies are different Removing the Playback Head See Fig 7 1 Remove the one fixed screw 4 retaining the playback head 2 Remove the C Washer 5 to pull the FF roller out 3 Remove the S support plate to remove the A arm springs A B and playback head Note The A arm spring A and A arm spring B are different Removing the Motor Assembly See Fig 8 1 Remove the main belt and sub belt from t...

Page 20: ...4V 10 5 16V Load impedance 4 Ω 2Speakers connection Line out 20kΩ Standard volume position Balance and Bass Treble volume Fader Center Indication 0 Loudness Dolby NR Sound Cruise Off Volume position is about 2V at speaker output with following conditions Playback the test tape VT721 AM mode 999kHz 62dB INT 400Hz 30 modulation signal on recieving FM mono mode 97 9MHz 66dB INT 400Hz 22 5kHz deviatio...

Page 21: ...ting Test points Head section view Cassette mechanism Surface Tape speed adjust Motor assembly Playback head Azimuth screw Head azimuth screw Fixed screw Height adjusting screw c Height adjusting screw b Height adjusting screw a Playback head ...

Page 22: ... this type of extension cord is needed to check operation of the mechanism assembly after disassembly 3 Extension cord EXTKSRT002 6P 6 pin extension cord For connection between mechanism assembly and main board assembly Check for mechanism driving section such as motor etc Disassembly Method 1 Remove the bottom cover 2 Remove the front panel assembly 3 Remove the top cover 4 Install the front pane...

Page 23: ...crew b In this case the phase difference should be within 45 3 Engage the reverse mode and adjust the output level to maximum with azimuth adjustment screw c The phase difference should be 45_Kor more 4 When switching between forward and reverse modes the difference between channels should be within 3dB Between FWD Lch and Rch REV Lch and Rch 5 When the test tape VT721 315Hz is played back the lev...

Page 24: ...2 12 KS F150 KS FX12 Description of major ICs UPC1228HA IC901 Head Amplifier HA13158 IC981 BTL Amplifier ANP1 ANP2 UPC1228HA 1 2 3 4 5 6 7 8 IN1 NFB1 OUT1 VCC GND OUT2 NFB2 IN2 ...

Page 25: ...ut Serial clock output Non connect Non connect Non connect Non connect Non connect Non connect Non connect Non connect Non connect Non connect Non connect Non connect Initializing output port Initializing input port Initializing input port Non connect Initializing input port Power supply Test input Non connect Output the If signal request Monaural and stereo change over output Non connect Non conn...

Page 26: ...TAPE TUNER POWER SUPPLY SOURCE SELECTOR VOLUME 1 20 to 31 dB LOUDNESS LEFT BASS LEFT 15 dB BASS RIGHT 15 dB TREBLE RIGHT 12 dB MUTE FUNCTION ZERO CROSS DETECTOR VOLUME 2 0 to 55 dB BALANCE FENDER REAR VOLUME 2 0 to 55 dB BALANCE FENDER FRONT HC BUS REC VOLUME 2 0 to 55dB BALANCE FENDER FRONT VOLUME 2 0 to 55dB BALANCE FENDER REAR VOLUME 1 20 to 31 dB LOUDNESS RIGHT LOGIC 21 16 22 14 23 25 24 26 27...

Page 27: ...nput loudness left control part Output source selector left channel Not used Not used Input C left source Not used Input B left source Input A left source Input A right source Input B right source Electronic filtering for supply Input C right source Reference voltage 0 5Vcc Not used Output source selector right channel Input loudness right channel Input volume 1 right control part Bass control cap...

Page 28: ...for micro computer Whenever Vcc terminal is connected output always keep running Voltage which is about 1V lower than Vcc unit voitage Output current is 500mA min Voltage supply for Remote Amp To be continued to BACK UP and ACC of car Not used Output level is 8 7V Output current is 150mA min It can be used for system common power supply tone control volume control balance control equalize amplifie...

Page 29: ...quency fo for the common driver output is fosc 384 Hz Power supply Forcibly terns off the display regardless of internal data Serial data can be input whether this pin is high or low NOT USED To GND Oscillator connection for the common segment alternating waveform Serial data transfer pins connected to a microprocessor O O I I I I I CE Chip enable CL Sync clock DI Transfer data Symbol I O Function...

Page 30: ...SD ST S METER FM OSC EO BAND TUNER L TAPE IN PROG BUS SI BUS SO BUS SCK BUS I O OUT L Front Lch Front Lch Rear Lch Rear OUT SDA SCL CN901 CP721 CN721 CP751 KEY 0 2 CJ701 LCDDA LCDCK LCDCE F R S8 S52 COM1 COM3 CP701 TAPE L LCH F R LCH CP901 CJ901 J1 FM TO SPEAKER CONNECTOR TO LINE REAR OUT KS FX150 FX12E ONLY Tuner Power AMP Changer System Controller LCD DRIVER KEY SWITCH CIRCUT HEAD AMPLIFIER CIRC...

Page 31: ...2 19 KS F150 KS FX12 A B C D E F G 3 4 5 2 1 Head amplifier circuit section Stndard Schematic Diagrams Tape PB Main Signal ...

Page 32: ...2 20 KS F150 KS FX12 A B C D E F G 3 4 5 2 1 Receiver Operation switch circuit section FM Radio Signal Tape PB Main Signal CD Signal AM Radio Signal ...

Page 33: ...2 21 KS F150 KS FX12 A B C D E F G 3 4 5 2 1 LCD driver Operation switch circuit section ...

Page 34: ...2 22 KS F150 KS FX12 A B C D E F G 3 4 5 2 1 Printed Circuit Boards Main boards No 0 1 ...

Page 35: ...2 23 KS F150 KS FX12 A B C D 3 4 5 2 1 LCD Driver Operation switch board No 0 2 Solder side Parts side ...

Page 36: ...2 24 KS F150 KS FX12 A B C D 3 4 5 2 1 L R C Cassette mchanism boards No Direction swith Board Mute Board ...

Page 37: ... list 3 5 Electrical parts list 3 8 Packing materials and accessories parts list 3 12 All printed circuit boards and its assemblies are not available as service parts KS FX12 KS FX12WT KS F150 Area Suffix KS F150 J Northern America Area Suffix KS FX12 J Northern America E Continental Europe Area Suffix KS FX12WT J Northern America ...

Page 38: ...3 4 5 2 1 Main board LCD Switch board 30 28 50 52 60 61 62 KS FX12WT Ver J Only KS FX12 E KS FX12 J KS FX12WT J KS FX12 E KS F150 J KS FX12 E KS FX12 J KS FX12WT J Block No M 1 M M Exploded view of general assembly and parts list ...

Page 39: ...3 3 KS F150 KS FX12 Parts list General assembly ...

Page 40: ...3 4 KS F150 KS FX12 ...

Page 41: ...67 19 6 52 22 41 1 42 10 125 111 53 97 87 12 16 128 95 96 117 94 100 123 74 103 35 43 111 37 38 70 89 26 78 107 121 92 127 122 72 73 45 108 118 63 51 58 23 98 124 25 120 40 2 46 108 57 106 116 113 99 60 80 111 109 11 105 14 49 28 7 86 65 119 79 4 69 71 62 27 105 108 30 107 64 64 31 Cassette mechanism assembly and parts list VDL3650 201M Block No M 2 M M ...

Page 42: ...3 6 KS F150 KS FX12 Parts list Cassette mechanism ...

Page 43: ...3 7 KS F150 KS FX12 ...

Page 44: ...3 8 KS F150 KS FX12 Electrical parts list Main board ...

Page 45: ...3 9 KS F150 KS FX12 ...

Page 46: ...3 10 KS F150 KS FX12 ...

Page 47: ...3 11 KS F150 KS FX12 LCD switch board ...

Page 48: ...3 12 KS F150 KS FX12 Packing materials and accessories parts list A5 to A9 P6 A25 KS FX12 Ver E Only P4 A13 A20 A10 A1 to A4 A21 to A24 A11 A12 A14 P2 P3 P5 Ver J Only Block No M 3 M M Block No M 4 M M ...

Page 49: ...KS F150 KS FX12 3 13 Accessories list Packing parts list ...

Page 50: ...KS F150 KS FX12 No 49522 VICTOR COMPANY OF JAPAN LIMITED MOBILE ELECTRONICS DIVISION 10 1 1chome Ohwatari machi Maebashi city371 8543 Japan Printed in Japan 9911 M ...

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